Charles Preston, MD

Offices

7 locations · Golden State Orthopedics and Spine · 186 clinicians in this group

Looking this up.

Hospitals listed: San Ramon Regional Medical Center. That is not proof they admit you there this week.

Plans that list them

3 plans · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Preston’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

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Plans whose provider directory lists this clinician

Imperial Courage Plan (HMO)	Imperial Health Plan of California, Inc.	Listed	Sep 1, 2026
Imperial Dynamic Plan (HMO)	Imperial Health Plan of California, Inc.	Listed	Sep 1, 2026
Imperial Senior Value (HMO C-SNP)	Imperial Health Plan of California, Inc.	Listed	Sep 1, 2026

California Medical Board record

Licence A99089 · Current

Licensed to practise in California · since 2007 · expires 2027-02-28 · University of California, Irvine College of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Surgery centers they own

Iron Horse Surgery CenterAmbulatory Surgery Center · Danville, CA14% owner since 2017 · accredited by IMQ
Accreditation Renewed2 inspections, 1 with deficiencies · last 2017-10-31: Requirements Met
Sequoia Surgical Center, LP dba Sequoia Surgical PavilionAmbulatory Surgery Center · Walnut Creek, CA2.8% owner since 2009 · accredited by AAAHC
Accreditation Renewed5 inspections, 1 with deficiencies · last 2024-05-15
Webster Outpatient Surgery Center, LLC dba Webster Outpatient Surgery CenterAmbulatory Surgery Center · San Ramon, CA3% owner since 2023 · accredited by AAAHC
Accreditation Renewed3 inspections, 2 with deficiencies · last 2024-08-02

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

San Ramon Regional Medical CenterSan Ramon, CAAcute Care Hospital · Proprietary · Has an emergency department · Birthing-friendlyPart of Tenet Healthcare, which runs 77 hospitals in 12 statesPatients rate it 3 of 5 · 65% would definitely recommend it
Overall rating: 4 of 5 starsNo measure marked better or worse than the national rate

See every measure and the patient survey for San Ramon Regional Medical Center

Behind the star rating — Deaths: 0 better, 6 the same, 0 worse of 6 measures. Safety: 0 better, 4 the same, 0 worse of 4 measures. Readmissions: 0 better, 7 the same, 1 worse of 8 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

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Every scored measure at San Ramon Regional Medical Center

Abdominopelvic accidental puncture or laceration rateComplications and deaths	0.94 (0 to 1.97) · 507 cases	No different	Jul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths	0.83 (0.44 to 1.22)	No different	Jul 2022 – Jun 2024
Death rate for COPD patientsComplications and deaths	8.1 · 36 cases	None	Jul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths	10.8 · 87 cases	None	Jul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths	10.2 · 195 cases	None	Jul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths	11.7 · 284 cases	None	Jul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths	10.5 · 63 cases	None	Jul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths	3.2 · 1,118 cases	None	Jul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths	0.18 (0 to 0.4) · 2,515 cases	No different	Jul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths	0.29 (0.08 to 0.49) · 2,618 cases	No different	Jul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths	3.62 (1.26 to 5.98) · 588 cases	No different	Jul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths	1.5 (0 to 3.14) · 282 cases	No different	Jul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths	2.34 (0.72 to 3.97) · 598 cases	No different	Jul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths	8.12 (0.84 to 15.4) · 258 cases	No different	Jul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths	4.08 (0.25 to 7.91) · 225 cases	No different	Jul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths	2.02 (0.52 to 3.52) · 241 cases	No different	Jul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths	0.32 (0 to 1.29) · 2,110 cases	No different	Jul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths	3.8 · 73 cases	None	Apr 2023 – Mar 2025
Clostridium Difficile (C.Diff)Infections	0.553	No different	Oct 2024 – Sep 2025
SSI - Colon SurgeryInfections	1.104	No different	Oct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits	13.9 · 84 cases	None	Jul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits	21.2 · 186 cases	None	Jul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits	39.6 · 79 cases	None	Jul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits	-10.3 · 227 cases	None	Jul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits	-5.2 · 305 cases	None	Jul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits	16.6 · 314 cases	None	Jul 2023 – Jun 2025
Rate of readmission after hip/knee replacementUnplanned return visits	5.9 · 84 cases	None	Jul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits	19.7 · 37 cases	None	Jul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits	12.8 (9.4 to 17.3) · 86 cases	No different	Jan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits	1.1 (0.8 to 1.5) · 256 cases	No different	Jan 2024 – Dec 2024

What patients said (642 patients answered, 25% of those asked)

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Patient survey stars by topic at San Ramon Regional Medical Center

Cleanliness	3
Nurse communication	3
Doctor communication	2
Communication about medicines	2
Discharge information	3
Overall hospital rating	2
Quietness	2
Recommend hospital	3

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Share of patients giving the best answer at San Ramon Regional Medical Center

Room was "always" clean	70%
Nurses "always" communicated well	75%
Doctors "always" communicated well	75%
Staff "always" explained	56%
Yes, staff "did" give patients this information	84%
Yes, staff "did" give patients information about help after discharge	83%
Doctors "always" explained things so they could understand	69%
Doctors "always" listened carefully	75%
Doctors "always" treated them with courtesy and respect	80%
Patients who gave a rating of "9" or "10" (high)	65%
Staff "always" explained new medications	70%
Nurses "always" explained things so they could understand	69%
Nurses "always" listened carefully	72%
Nurses "always" treated them with courtesy and respect	83%
"Always" quiet at night	43%
"YES", patients would definitely recommend the hospital	65%
Staff "always" explained possible side effects	41%
Yes, staff "did" give patients information about possible symptoms	85%

Original Medicare doctor bills

$103,819

Medicare paid this office $103,819 for 326 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

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Largest Original Medicare bills

Short return visit (20+ min)	173	$18,848	$78
Return visit (30+ min)	127	$18,682	$115
Repair of shoulder rotator cuff using an endoscope	14	$13,495	$964
Mri scan of arm joint without contrast	56	$9,236	$147
Aspiration and/or injection of fluid from large joint	81	$7,125	$63

See all 11 services

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Every Original Medicare service billed

Short return visit (20+ min)	173	$18,848	$78
Return visit (30+ min)	127	$18,682	$115
Repair of shoulder rotator cuff using an endoscope	14	$13,495	$964
Mri scan of arm joint without contrast	56	$9,236	$147
Aspiration and/or injection of fluid from large joint	81	$7,125	$63
New patient visit (45+ min)	50	$7,001	$140
X-ray of shoulder, minimum of 2 views	92	$3,764	$35
Mri scan of leg joint without contrast	20	$2,934	$140
New patient visit (30+ min)	29	$2,797	$96
X-ray of knee, 4 or more views	27	$1,554	$46
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	78	$379	None

Procedures Medicare counted

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Procedure volume Medicare published

Lower limb (leg) arthroscopy (minimally invasive joint repair)	1-10	None
Upper limb (arm) arthroscopy (minimally invasive joint repair)	41	More than 82% of doctors who do this

Who their Medicare patients are

326 Original Medicare patients in 2024. Average age 73 · Under 65 9% · 85 and older 8% · Women 58% · Also on Medicaid 16% · Health risk score 0.94. At or below the middle of the specialty; the typical orthopedic surgery clinician is at 1.13.

Conditions among them: High blood pressure 62% · Diabetes 19% · Depression 19% · Coronary heart disease 16% · Chronic kidney disease 16% · Cancer 12% · Atrial fibrillation 11% · COPD 10% · Stroke 9% · Heart failure 8%.

The office billed $511,132, Medicare allowed $137,813 and paid $103,819; for 4,126 services of 44 kinds; $2,377 of it was for drugs given in the office and $101,441 for care.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

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Original Medicare by year

2024	326	4,126	73	0.94	$511,132	$103,819
2023	285	3,439	72	0.97	$471,852	$100,590
2022	248	4,247	73	0.80	$409,093	$102,481
2021	291	1,691	73	0.90	$313,207	$107,411
2020	195	1,064	72	0.97	$218,847	$66,169
2019	206	1,783	72	1.12	$210,555	$65,490
2018	205	1,562	71	1.00	$212,507	$59,090
2017	225	1,792	71	1.13	$264,549	$67,635
2016	193	1,059	72	0.97	$179,965	$53,213
2015	179	917	71	1.08	$172,954	$52,720
2014	211	977	71	1.26	$199,273	$59,665
2013	234	1,121	72	1.16	$268,936	$83,680

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 13 services

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Original Medicare services billed in 2023

Return visit (30+ min)	127	$17,853	$112
Short return visit (20+ min)	152	$16,706	$80
Repair of shoulder rotator cuff using an endoscope	16	$14,794	$925
Mri scan of arm joint without contrast	38	$6,533	$159
Aspiration and/or injection of fluid from large joint	79	$6,205	$61
Removal of extensive shoulder joint tissue using an endoscope	12	$3,983	$332
X-ray of shoulder, minimum of 2 views	88	$3,692	$34
New patient visit (45+ min)	18	$2,627	$146
New patient visit (30+ min)	29	$2,408	$83
Mri scan of leg joint without contrast	14	$2,248	$150
X-ray of knee, 4 or more views	29	$1,710	$48
Short return visit	15	$544	$36
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	78	$427	None

2022: 11 services

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Original Medicare services billed in 2022

Short return visit (20+ min)	120	$12,760	$83
Return visit (30+ min)	91	$12,681	$116
Aspiration and/or injection of fluid from large joint	70	$6,313	$63
Mri scan of arm joint without contrast	30	$5,576	$169
Short return visit	72	$4,872	$52
New patient visit (45+ min)	21	$3,196	$152
X-ray of shoulder, minimum of 2 views	68	$2,782	$35
Mri scan of leg joint without contrast	14	$2,772	$173
New patient visit (30+ min)	20	$1,926	$96
X-ray of knee, 4 or more views	23	$1,304	$48
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	63	$360	None

2021: 11 services

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Original Medicare services billed in 2021

Return visit (30+ min)	131	$18,789	$117
Repair of shoulder rotator cuff using an endoscope	15	$15,483	$968
Short return visit (20+ min)	133	$13,484	$78
New patient visit (45+ min)	50	$7,399	$148
Aspiration and/or injection of fluid from large joint	90	$6,747	$60
Mri scan of arm joint without contrast	27	$4,706	$157
Short return visit	65	$3,845	$49
X-ray of shoulder, minimum of 2 views	79	$3,460	$34
X-ray of knee, 4 or more views	47	$2,622	$47
New patient visit (30+ min)	26	$2,586	$99
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	89	$545	None

2020: 10 services

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Original Medicare services billed in 2020

Short return visit (20+ min)	146	$15,357	$68
Repair of shoulder rotator cuff using an endoscope	12	$11,997	$1,000
Mri scan of arm joint without contrast	24	$4,331	$167
Aspiration and/or injection of fluid from large joint	49	$3,356	$54
New patient visit (30+ min)	37	$3,299	$89
X-ray of shoulder, minimum of 2 views	70	$2,837	$32
Return visit (30+ min)	34	$2,796	$72
X-ray of knee, 4 or more views	14	$626	$45
Short return visit	12	$580	$45
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	45	$295	None

2019: 9 services

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Original Medicare services billed in 2019

Return visit (30+ min)	110	$14,366	$97
Short return visit (20+ min)	96	$9,224	$64
New patient visit (45+ min)	32	$4,572	$143
Mri scan of arm joint without contrast	23	$4,245	$170
Aspiration and/or injection of fluid from large joint	51	$3,695	$56
X-ray of shoulder, minimum of 2 views	51	$1,806	$30
New patient visit (30+ min)	15	$1,239	$83
X-ray of knee, 4 or more views	16	$578	$34
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	49	$391	None

2018: 9 services

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Original Medicare services billed in 2018

Short return visit (20+ min)	130	$11,173	$57
Return visit (30+ min)	60	$6,838	$92
New patient visit (45+ min)	39	$5,010	$128
Aspiration and/or injection of fluid from large joint	63	$3,719	$46
Mri scan of arm joint without contrast	23	$3,577	$149
X-ray of shoulder, minimum of 2 views	51	$1,581	$27
New patient visit (30+ min)	17	$1,379	$81
X-ray of knee, 4 or more views	21	$1,113	$37
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	59	$501	None

2017: 11 services

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Original Medicare services billed in 2017

Short return visit (20+ min)	172	$16,182	$55
Repair of shoulder rotator cuff using an endoscope	12	$9,588	$799
Mri scan of arm joint without contrast	36	$5,917	$148
Aspiration and/or injection of fluid from large joint	84	$5,699	$45
New patient visit (45+ min)	32	$3,671	$115
Return visit (30+ min)	34	$2,872	$82
Removal of extensive shoulder joint tissue using an endoscope	11	$2,278	$207
X-ray of shoulder, minimum of 2 views	74	$2,089	$25
New patient visit (30+ min)	20	$1,670	$83
X-ray of knee, 4 or more views	22	$802	$30
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	79	$661	None

2016: 10 services

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Original Medicare services billed in 2016

Short return visit (20+ min)	134	$14,209	$57
Aspiration and/or injection of fluid from large joint	74	$4,391	$47
Mri scan of arm joint without contrast	20	$2,813	$141
New patient visit (45+ min)	19	$2,393	$126
New patient visit (30+ min)	26	$2,290	$88
Return visit (30+ min)	21	$1,959	$85
X-ray of shoulder, minimum of 2 views	57	$1,672	$25
Short return visit	26	$991	$33
X-ray of knee, 4 or more views	18	$682	$32
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	70	$514	None

2015: 9 services

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Original Medicare services billed in 2015

Short return visit (20+ min)	135	$13,544	$58
Aspiration and/or injection of fluid from large joint	45	$3,189	$51
Mri scan of arm joint without contrast	19	$2,892	$152
Return visit (30+ min)	25	$2,592	$96
New patient visit (30+ min)	31	$2,532	$82
X-ray of shoulder, minimum of 2 views	56	$1,664	$24
X-ray of knee, 4 or more views	15	$825	$37
Short return visit	16	$720	$38
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	47	$384	None

2014: 10 services

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Original Medicare services billed in 2014

Short return visit (20+ min)	133	$12,096	$60
Mri scan of arm joint without contrast	22	$3,806	$165
Aspiration and/or injection of fluid from large joint	51	$3,269	$47
Short return visit	65	$2,897	$35
New patient visit (30+ min)	27	$2,330	$86
X-ray of shoulder, minimum of 2 views	56	$1,753	$26
New patient visit (45+ min)	14	$1,584	$113
Return visit (30+ min)	16	$1,337	$84
X-ray of knee, 4 or more views	17	$796	$35
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	48	$381	None

2013: 11 services

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Original Medicare services billed in 2013

Short return visit (20+ min)	124	$9,695	$61
Repair of shoulder rotator cuff using an endoscope	11	$9,536	$867
Mri scan of arm joint without contrast	24	$5,101	$213
Short return visit	99	$4,817	$37
Aspiration and/or injection of fluid from large joint	57	$4,054	$50
New patient visit (30+ min)	36	$2,951	$82
X-ray of shoulder, minimum of 2 views	51	$1,981	$28
New patient visit (45+ min)	11	$1,483	$135
Return visit (30+ min)	11	$1,053	$96
X-ray of knee, 4 or more views	12	$864	$41
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	54	$436	None

Medicaid work

$6,879 in 2024

Medicaid paid $6,879 for 53 billed services this clinician did in 2024, up to 15 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

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Largest Medicaid services in 2024

Short return visit (20+ min)	41	$4,513
New patient visit (45+ min)	12	$2,366

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Medicaid work by year

2024	53	2	15	$6,879
2023	86	2	17	$9,790
2020	12	1	12	$995
2018	13	1	13	$1,134

See the largest Medicaid services in earlier years

2023

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Largest Medicaid services in 2023

Short return visit (20+ min)	59	$6,269
Return visit (30+ min)	27	$3,521

2020

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Largest Medicaid services in 2020

Short return visit (20+ min)	12	$995

2018

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Largest Medicaid services in 2018

Short return visit (20+ min)	13	$1,134

Drugs they prescribed that Part D paid

$1,480

Pharmacies billed $1,480 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 12% of their Part D prescriptions (11 of 90) in 2024. At or below the middle of the specialty; the typical orthopedic surgery clinician is at 31%.

89 generic and fewer than 11 brand-name prescriptions · $1,480 in drug cost.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

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Largest Part D drug costs

Diclofenac	12	$589	$49
Meloxicam	37	$90	$2

Year by year

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Part D prescribing by year

2024	90	40	12% (11)	None	$1,480
2023	58	44	None	0%	$740
2022	47	28	32% (15)	None	$663
2021	64	42	17% (11)	None	$693
2020	84	34	19% (16)	None	$1,744
2019	49	28	29% (14)	None	$1,792
2018	56	30	50% (28)	None	$1,638
2017	81	42	31% (25)	None	$2,101
2016	68	33	46% (31)	None	$1,232
2015	72	32	51% (37)	None	$1,417
2014	107	46	58% (62)	17%	$4,625
2013	139	49	60% (83)	11%	$4,288

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 1 drug

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Part D drugs prescribed in 2023

Meloxicam	19	$65	$3

2021: 1 drug

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Part D drugs prescribed in 2021

Diclofenac	17	$177	$10

2020: 2 drugs

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Part D drugs prescribed in 2020

Celecoxib	16	$922	$58
Indomethacin	11	$81	$7

2017: 2 drugs

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Part D drugs prescribed in 2017

Hydrocodone-Acetaminophen	12	$114	$9
Meloxicam	11	$48	$4

2016: 1 drug

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Part D drugs prescribed in 2016

Hydrocodone-Acetaminophen	19	$288	$15

2015: 1 drug

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Part D drugs prescribed in 2015

Hydrocodone-Acetaminophen	25	$322	$13

2014: 2 drugs

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Part D drugs prescribed in 2014

Celebrex	12	$2,290	$191
Hydrocodone-Acetaminophen	40	$561	$14

2013: 2 drugs

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Part D drugs prescribed in 2013

Hydrocodone-Acetaminophen	56	$709	$13
Oxycodone-Acetaminophen	13	$148	$11

Money from drug and device companies

$235 in 2025

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Industry payments by year

2025	2	3	None	$235
2024	5	7	$4,500	$4,668
2023	2	3	$4,050	$4,106
2022	2	4	$4,275	$4,320
2021	2	9	$11,800	$12,733
2020	3	5	$3,800	$3,904
2019	6	32	$17,319	$21,416

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

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Payments by company

Zimmer Biomet Holdings	Comprehensive Shoulder System	$198	1 payment Meals for Comprehensive Shoulder System · 2025-03-10 · $198
Bioventus	Xcell	$37	2 payments Meals for Xcell · 2025-12-07 · $21 Meals for Exogen Ultrasound Bone Healing System · 2025-11-17 · $16

See all 3 published payments

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Every published payment

Bioventus	Meals · 2025-12-07	Xcell	$21
Bioventus	Meals · 2025-11-17	Exogen Ultrasound Bone Healing System	$16
Zimmer Biomet Holdings	Meals · 2025-03-10	Comprehensive Shoulder System	$198

See earlier years (2024, 2023, 2022, 2021, 2020, 2019)

2024: $4,668

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Payments by company in 2024

Stryker	Triathlon	$4,557	2 payments Consulting for Triathlon · 2024-11-08 · $4,500 Meals for Variax · 2024-04-30 · $57
Bioventus	Exogen Ultrasound Bone Healing System	$38	2 payments Meals for Exogen Ultrasound Bone Healing System · 2024-06-06 · $14 Meals for Exogen Ultrasound Bone Healing System · 2024-02-23 · $24
Ferring Pharmaceuticals	Euflexxa	$28	1 payment Meals for Euflexxa · 2024-03-05 · $28
Orthofix Medical	Physio-Stim	$24	1 payment Meals for Physio-Stim · 2024-10-15 · $24
Trice Medical	None	$21	1 payment Meals · 2024-04-16 · $21

2023: $4,106

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Payments by company in 2023

Stryker	Na	$4,050	2 payments Consulting for Na · 2023-09-21 · $3,150 Consulting · 2023-03-30 · $900
DePuy Synthes Sales	Na	$56	1 payment Meals for Na · 2023-03-09 · $56

2022: $4,320

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Payments by company in 2022

Stryker	1588	$4,275	3 payments Consulting for 1588 · 2022-12-02 · $3,150 Consulting · 2022-08-11 · $225 Consulting for Inspace · 2022-05-05 · $900
Encore Medical Lp	Djo Surgical	$45	1 payment Meals for Djo Surgical · 2022-08-08 · $45

2021: $12,733

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Payments by company in 2021

Stryker	Iconix	$12,711	8 payments Consulting for Iconix · 2021-12-02 · $4,050 Consulting for Iconix · 2021-10-14 · $3,150 Meals for Na · 2021-06-14 · $69 Meals for Omega · 2021-06-05 · $152 Consulting for Iconix · 2021-05-13 · $2,400 Travel for Na · 2021-05-12 · $689 Consulting for Twinloop Flex · 2021-03-30 · $1,600 Consulting · 2021-03-30 · $600
Evolution Surgical	None	$22	1 payment Meals · 2021-08-10 · $22

2020: $3,904

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Payments by company in 2020

Stryker	Iconix	$3,840	3 payments Consulting for Iconix · 2020-09-17 · $2,800 Consulting for Versitomic · 2020-05-07 · $1,000 Travel for Hip Arthroscopy Access & Instrumentation Set · 2020-02-11 · $40
Paragon 28	None	$45	1 payment Meals · 2020-06-12 · $45
Smith+Nephew	Regeneten	$19	1 payment Meals for Regeneten · 2020-10-28 · $19

2019: $21,416

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Payments by company in 2019

Stryker	Iconix	$20,331	16 payments Consulting for Versitomic · 2019-12-12 · $3,500 Consulting for Hipmap · 2019-05-30 · $4,400 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-05-28 · $502 Meals for Hip Arthroscopy Access & Instrumentation Set · 2019-05-28 · $418 Consulting for Iconix · 2019-05-16 · $6,000 Consulting for Reunion · 2019-05-16 · $1,600 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-05-02 · $172 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-05-02 · $142 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-05-01 · $186 Consulting for Reunion · 2019-05-01 · $1,119 Meals for Reunion · 2019-05-01 · $23 Meals for Reunion · 2019-05-01 · $48 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-04-30 · $214 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-04-23 · $572 Travel for Hip Arthroscopy Access & Instrumentation Set · 2019-04-18 · $735 Consulting for Reunion · 2019-02-21 · $700
Arthrex	None	$739	8 payments Meals · 2019-05-03 · $64 Meals · 2019-05-03 · $65 Meals · 2019-05-03 · $102 Meals · 2019-05-03 · $33 Meals · 2019-05-03 · $40 Meals · 2019-05-03 · $94 Meals · 2019-05-03 · $95 Travel · 2019-05-03 · $247
Evolution Surgical	None	$173	1 payment Meals · 2019-04-12 · $173
Zimmer Biomet Holdings	Persona	$88	4 payments Travel for Persona · 2019-03-01 · $23 Meals for Persona · 2019-03-01 · $15 Meals for Persona · 2019-03-01 · $26 Travel for Persona · 2019-03-01 · $24
Flexion Therapeutics	Zilretta	$65	2 payments Meals for Zilretta · 2019-03-19 · $33 Meals for Zilretta · 2019-03-07 · $32
Team_Makena_LLC	None	$20	1 payment Meals · 2019-10-03 · $20

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score: 75.0 / 100; Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI: 1558529479
Licence: CA A99089California A99089: Current · expires 2027-02-28
Trained: Irvine California College of Medicine, 2001
Group: Golden State Orthopedics and Spine
Gender: Male

More record details

Sole proprietor: No
Taxonomy: Federal specialty code 207XX0005X (207XX0005X)
Mailing address: Po Box 31396, Walnut Creek, CA, 94598
NPI first listed: 2008-05-28
NPI last updated: 2025-11-12
NPI record certified: 2025-11-12

This is when the NPI record was last certified, not a medical board exam.

Extra NPI addresses: 5201 Norris Canyon Rd Ste 300, San Ramon, CA, 94583