Valentino A Demayo, NP

Offices

6 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group

Looking this up.

Hospitals listed: El Camino Health. That is not proof they admit you there this week.

Plans that list them

1 plan · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Valentino A Demayo’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

DualConnect (HMO D-SNP)	Santa Clara Family Health Plan	Listed	Sep 1, 2026

State licence records

1 licence

Washington ARNP.AP.60314068-NPAdvanced Registered Nurse Practitioner License · since 2012 · expires 2015-02-14
ExpiredNo board action on this licenceCheck it with the state

We check Colorado, Delaware, Florida, Illinois, Maryland, New Jersey, New York, Tennessee, Texas, Virginia, Washington, plus California above. A state that is not in this list has not been checked, which is not the same as clear.

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.

El Camino HealthMountain View, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of El Camino Health, which runs 2 hospitalsPatients rate it 4 of 5 · 80% would definitely recommend it
Overall rating: 4 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.291, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.393, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0, Oct 2024 – Sep 2025

See every measure and the patient survey for El Camino Health

Behind the star rating — Deaths: 3 better, 5 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 1 better, 9 the same, 1 worse of 11 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 El Camino Health

Central Line Associated Bloodstream Infection (ICU + select Wards)Infections	0.291	Better	Oct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections	0.393	Better	Oct 2024 – Sep 2025
MRSA BacteremiaInfections	0	Better	Oct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths	0.96 (0.12 to 1.79) · 2,340 cases	No different	Jul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths	1.02 (0.76 to 1.28)	No different	Jul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths	167.38 (125.03 to 209.73) · 96 cases	No different	Jul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths	2.6 · 68 cases	None	Jul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths	7.1 · 185 cases	None	Jul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths	11.8 · 200 cases	None	Jul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths	8.9 · 814 cases	None	Jul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths	13 · 842 cases	None	Jul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths	9.6 · 361 cases	None	Jul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths	2.6 · 4,633 cases	None	Jul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths	0.16 (0 to 0.34) · 11,474 cases	No different	Jul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths	0.27 (0.1 to 0.45) · 11,626 cases	No different	Jul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths	3.14 (1.39 to 4.9) · 2,814 cases	No different	Jul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths	2 (0.61 to 3.39) · 1,327 cases	No different	Jul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths	2.11 (0.8 to 3.43) · 2,641 cases	No different	Jul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths	9.39 (4.18 to 14.6) · 1,287 cases	No different	Jul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths	6.57 (3.47 to 9.68) · 1,308 cases	No different	Jul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths	2.14 (0.71 to 3.57) · 827 cases	No different	Jul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths	0.6 (0.05 to 1.15) · 9,460 cases	No different	Jul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths	4.5 · 122 cases	None	Apr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections	0.993	No different	Oct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections	0.706	No different	Oct 2024 – Sep 2025
SSI - Colon SurgeryInfections	1.376	No different	Oct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits	15.5 · 218 cases	None	Jul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits	19.5 · 962 cases	None	Jul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits	3.8 · 200 cases	None	Jul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits	-17 · 922 cases	None	Jul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits	18.6 · 860 cases	None	Jul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits	18.7 · 827 cases	None	Jul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits	6.1 (4.5 to 8.2) · 313 cases	No different	Jan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits	13.4 (10.6 to 16.5) · 313 cases	No different	Jan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits	6.1 · 144 cases	None	Jul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits	10.3 · 80 cases	None	Jul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits	20.7 · 237 cases	None	Jul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits	12.8 (10 to 16.1) · 1,639 cases	No different	Jan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits	0.9 (0.8 to 1.1) · 1,619 cases	No different	Jan 2024 – Dec 2024

What patients said (1,535 patients answered, 22% of those asked)

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Patient survey stars by topic at El Camino Health

Cleanliness	4
Nurse communication	4
Doctor communication	4
Communication about medicines	3
Discharge information	3
Overall hospital rating	4
Quietness	2
Recommend hospital	5

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Share of patients giving the best answer at El Camino Health

Room was "always" clean	75%
Nurses "always" communicated well	79%
Doctors "always" communicated well	81%
Staff "always" explained	61%
Yes, staff "did" give patients this information	86%
Yes, staff "did" give patients information about help after discharge	86%
Doctors "always" explained things so they could understand	76%
Doctors "always" listened carefully	80%
Doctors "always" treated them with courtesy and respect	87%
Patients who gave a rating of "9" or "10" (high)	76%
Staff "always" explained new medications	76%
Nurses "always" explained things so they could understand	75%
Nurses "always" listened carefully	76%
Nurses "always" treated them with courtesy and respect	87%
"Always" quiet at night	47%
"YES", patients would definitely recommend the hospital	80%
Staff "always" explained possible side effects	46%
Yes, staff "did" give patients information about possible symptoms	86%

Original Medicare doctor bills

$66,133

Medicare paid this office $66,133 for 254 people.

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

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Largest Original Medicare bills

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	32	$15,560	None
Aspiration and/or injection of fluid from large joint	69	$9,929	$61
Short return visit (20+ min)	81	$8,517	$74
Replacement of thigh bone and hip joint with prosthesis	28	$4,757	$159
Replacement of knee joint, both sides of knee	28	$4,748	$158

See all 10 services

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Every Original Medicare service billed

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	32	$15,560	None
Aspiration and/or injection of fluid from large joint	69	$9,929	$61
Short return visit (20+ min)	81	$8,517	$74
Replacement of thigh bone and hip joint with prosthesis	28	$4,757	$159
Replacement of knee joint, both sides of knee	28	$4,748	$158
Return visit (30+ min)	37	$4,180	$95
New patient visit (45+ min)	24	$3,212	$134
New patient visit (30+ min)	23	$2,096	$91
Long return visit (40+ min)	14	$1,466	$86
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	30	$101	None

Procedures Medicare counted

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Procedure volume Medicare published

Hip replacement	31	More than 77% of doctors who do this
Knee replacement	28	More than 62% of doctors who do this
Laminectomy or laminotomy (partial removal of spine bones)	1-10	None
Spinal fusion	14	More than 31% of doctors who do this
Upper limb (arm) arthroscopy (minimally invasive joint repair)	1-10	None

Who their Medicare patients are

254 Original Medicare patients in 2024. Average age 77 · Women 68% · Also on Medicaid 8% · Health risk score 1.00. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.

Conditions among them: High blood pressure 73% · Coronary heart disease 21% · Chronic kidney disease 21% · Diabetes 19% · Atrial fibrillation 19% · Depression 17% · Cancer 15% · Heart failure 14% · COPD 8% · Dementia 8%.

The office billed $355,481, Medicare allowed $85,886 and paid $66,133; for 1,368 services of 47 kinds; $19,537 of it was for drugs given in the office and $46,595 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	254	1,368	77	1.00	$355,481	$66,133
2023	215	776	75	0.92	$279,172	$53,975
2022	234	1,672	76	0.94	$315,315	$64,079
2021	197	2,190	76	1.05	$317,857	$60,299
2020	165	559	76	1.16	$263,589	$48,392
2019	245	893	76	1.13	$366,103	$85,571
2018	183	425	76	1.15	$205,469	$36,794
2017	131	293	76	0.90	$148,904	$25,961
2016	140	413	76	1.16	$174,180	$33,574
2015	173	626	76	1.17	$214,182	$41,884
2014	171	617	76	0.95	$192,077	$37,739
2013	44	79	76	1.79	$42,423	$4,930

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: 10 services

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Original Medicare services billed in 2023

Long return visit (40+ min)	44	$10,134	$143
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	21	$8,770	None
New patient visit (45+ min)	55	$7,012	$127
Replacement of knee joint, both sides of knee	33	$5,700	$163
Aspiration and/or injection of fluid from large joint	36	$5,479	$61
Replacement of thigh bone and hip joint with prosthesis	26	$4,564	$163
Return visit (30+ min)	30	$3,512	$106
Prosthetic repair of shoulder joint, total shoulder	13	$2,390	$184
Removal of extensive shoulder joint tissue using an endoscope	11	$298	$27
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	12	$51	None

2022: 10 services

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Original Medicare services billed in 2022

Return visit (30+ min)	56	$8,594	$104
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	16	$8,400	None
Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	16	$7,902	None
New patient visit (45+ min)	60	$7,771	$130
Aspiration and/or injection of fluid from large joint	56	$7,488	$64
Replacement of knee joint, both sides of knee	38	$6,164	$162
Long return visit (40+ min)	23	$3,844	$148
Prosthetic repair of shoulder joint, total shoulder	19	$3,467	$182
Replacement of thigh bone and hip joint with prosthesis	11	$1,781	$162
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	23	$98	None

2021: 10 services

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Original Medicare services billed in 2021

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	24	$13,277	None
Aspiration and/or injection of fluid from large joint	66	$9,069	$61
Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	20	$8,046	None
Replacement of knee joint, both sides of knee	35	$5,938	$165
Replacement of thigh bone and hip joint with prosthesis	32	$5,284	$165
Return visit (30+ min)	33	$4,114	$93
New patient visit (45+ min)	14	$1,766	$126
Musculoskeletal surgical navigational orthopedic operation using imaging guidance	33	$858	$26
Computer-assisted, fluoroscopic image-guided musculoskeletal surgical navigational orthopedic operation	25	$301	$12
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	12	$48	None

2020: 7 services

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Original Medicare services billed in 2020

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	19	$11,661	None
Aspiration and/or injection of fluid from large joint	36	$8,373	$59
Replacement of knee joint, both sides of knee	32	$5,732	$174
Return visit (30+ min)	42	$5,222	$86
Replacement of thigh bone and hip joint with prosthesis	23	$4,164	$174
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	14	$3,959	None
New patient visit (45+ min)	22	$2,160	$98

2019: 10 services

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Original Medicare services billed in 2019

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	34	$30,577	None
Aspiration and/or injection of fluid from large joint	91	$13,266	$54
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	33	$7,721	None
Replacement of knee joint, both sides of knee	36	$6,455	$170
New patient visit (45+ min)	44	$5,758	$131
Return visit (30+ min)	50	$5,433	$89
Replacement of thigh bone and hip joint with prosthesis	20	$3,570	$170
Short return visit (20+ min)	25	$1,686	$56
Computer-assisted surgery for muscle and bone procedure	24	$449	$18
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	31	$101	None

2018: 7 services

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Original Medicare services billed in 2018

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	20	$7,687	None
Aspiration and/or injection of fluid from large joint	41	$5,300	$58
Replacement of thigh bone and hip joint with prosthesis	30	$5,181	$167
Replacement of knee joint, both sides of knee	23	$3,840	$167
Short return visit (20+ min)	41	$2,765	$59
Short return visit	15	$725	$36
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	14	$51	None

2017: 5 services

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Original Medicare services billed in 2017

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	13	$5,788	None
Replacement of knee joint, both sides of knee	27	$4,656	$166
Replacement of thigh bone and hip joint with prosthesis	21	$3,497	$167
Aspiration and/or injection of fluid from large joint	19	$2,726	$57
Short return visit (20+ min)	23	$1,823	$59

2016: 6 services

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Original Medicare services billed in 2016

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	21	$10,987	None
Aspiration and/or injection of fluid from large joint	39	$5,571	$55
Replacement of knee joint, both sides of knee	18	$3,157	$166
Replacement of thigh bone and hip joint with prosthesis	17	$2,992	$166
Short return visit (20+ min)	30	$1,951	$49
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	11	$73	None

2015: 7 services

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Original Medicare services billed in 2015

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	35	$9,663	None
Aspiration and/or injection of fluid from large joint	68	$9,289	$55
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose	17	$6,902	None
Short return visit (20+ min)	66	$5,631	$56
Replacement of knee joint, both sides of knee	22	$3,830	$167
Replacement of thigh bone and hip joint with prosthesis	13	$2,052	$158
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	16	$129	None

2014: 5 services

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Original Medicare services billed in 2014

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	60	$13,392	None
Aspiration and/or injection of fluid from large joint	76	$9,029	$48
Short return visit (20+ min)	59	$4,226	$57
Replacement of knee joint, both sides of knee	17	$2,988	$166
Injection, triamcinolone acetonide, not otherwise specified, 10 mg	16	$100	None

Drugs they prescribed that Part D paid

$4,327

Pharmacies billed $4,327 in 2024.

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

Opioids were 53% of their Part D prescriptions (260 of 491) in 2024. A higher opioid share than 9 in 10 peers; the typical nurse practitioner clinician is at 0%.

490 generic and fewer than 11 brand-name prescriptions · $4,327 in drug cost · 17 antibiotic prescriptions to 12 people.

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

Celecoxib	39	$1,019	$24
Oxycodone	82	$526	$5
Diclofenac	27	$509	$18
Tramadol	88	$339	$3
Ibuprofen	48	$302	$5

See all 7 drugs

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Every Part D drug this clinician prescribed

Celecoxib	39	$1,019	$24
Oxycodone	82	$526	$5
Diclofenac	27	$509	$18
Tramadol	88	$339	$3
Ibuprofen	48	$302	$5
Gabapentin	51	$189	$3
Hydrocodone-Acetaminophen	18	$177	$6

Year by year

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Part D prescribing by year

2024	491	171	53% (260)	None	$4,327
2023	444	151	53% (235)	None	$6,698
2022	503	152	50% (252)	None	$6,323
2021	223	110	58% (130)	9%	$5,370
2020	223	115	52% (116)	16%	$8,739
2019	249	127	53% (133)	8%	$5,764
2018	223	116	66% (147)	None	$4,571
2017	188	101	68% (128)	None	$4,454
2016	174	77	49% (85)	10%	$10,087
2015	173	75	49% (85)	23%	$9,869
2014	116	56	47% (54)	34%	$9,567
2013	12	None	None	0%	$452

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

See the drugs prescribed each year

2023: 7 drugs

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Part D drugs prescribed in 2023

Celecoxib	49	$1,620	$33
Oxycodone	97	$568	$6
Tramadol	126	$447	$4
Diclofenac	18	$426	$24
Ibuprofen	52	$381	$7
Gabapentin	56	$142	$3
Ondansetron	11	$124	$11

2022: 7 drugs

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Part D drugs prescribed in 2022

Celecoxib	46	$2,145	$47
Naloxone	11	$973	$88
Oxycodone	105	$784	$7
Tramadol	139	$457	$3
Ibuprofen	64	$417	$7
Gabapentin	82	$216	$3
Ondansetron	14	$198	$14

2021: 5 drugs

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Part D drugs prescribed in 2021

Hydrocodone-Acetaminophen	80	$898	$11
Celecoxib	18	$866	$48
Diclofenac	16	$298	$19
Oxycodone-Acetaminophen	30	$280	$9
Tramadol	16	$46	$3

2020: 6 drugs

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Part D drugs prescribed in 2020

Enoxaparin	14	$1,320	$94
Celecoxib	24	$1,030	$43
Diclofenac	29	$947	$33
Hydrocodone-Acetaminophen	66	$645	$10
Oxycodone-Acetaminophen	34	$606	$18
Meloxicam	14	$35	$2

2019: 6 drugs

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Part D drugs prescribed in 2019

Diclofenac	41	$1,473	$36
Hydrocodone-Acetaminophen	79	$920	$12
Celecoxib	24	$710	$30
Oxycodone-Acetaminophen	37	$589	$16
Tramadol	17	$59	$3
Meloxicam	12	$21	$2

2018: 3 drugs

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Part D drugs prescribed in 2018

Celecoxib	34	$1,576	$46
Hydrocodone-Acetaminophen	105	$1,501	$14
Oxycodone-Acetaminophen	26	$457	$18

2017: 4 drugs

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Part D drugs prescribed in 2017

Celecoxib	25	$1,367	$55
Enoxaparin	11	$1,162	$106
Hydrocodone-Acetaminophen	93	$1,069	$11
Oxycodone-Acetaminophen	25	$673	$27

2016: 5 drugs

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Part D drugs prescribed in 2016

Enoxaparin	36	$4,975	$138
Hydrocodone-Acetaminophen	56	$1,378	$25
Celecoxib	21	$1,369	$65
Oxycodone-Acetaminophen	14	$539	$39
Tramadol	12	$94	$8

2015: 5 drugs

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Part D drugs prescribed in 2015

Xarelto	22	$4,118	$187
Celecoxib	25	$1,993	$80
Hydrocodone-Acetaminophen	67	$1,603	$24
Enoxaparin	11	$1,336	$121
Oxycodone-Acetaminophen	11	$564	$51

2014: 3 drugs

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Part D drugs prescribed in 2014

Xarelto	18	$3,291	$183
Oxycodone-Acetaminophen	14	$776	$55
Hydrocodone-Acetaminophen	31	$767	$25

Money from drug and device companies

$300 in 2024

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Industry payments by year

2024	2	2	None	$300
2021	1	3	None	$45

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

Bioventus	Durolane	$150	1 payment Meals for Durolane · 2024-11-14 · $150
Medical Device Business Services	Ethicon	$150	1 payment Meals for Ethicon · 2024-03-22 · $150

See all 2 published payments

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Every published payment

Bioventus	Meals · 2024-11-14	Durolane	$150
Medical Device Business Services	Meals · 2024-03-22	Ethicon	$150

See earlier years (2021)

2021: $45

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Payments by company in 2021

Medical Device Business Services	Velys	$45	3 payments Meals for Velys · 2021-06-24 · $12 Meals for Velys · 2021-06-24 · $19 Meals for Velys · 2021-06-24 · $13

Professional record

NPI: 1265783880
Licence: CA NP23190, WA AP60314068Washington ARNP.AP.60314068-NP: Expired
Group: Sutter Bay Medical Foundation
Video visits: Lists video visits
Gender: Male

More record details

Sole proprietor: No
Taxonomy: Nurse practitioner (363L00000X)
Mailing address: 2350 W. El Camino Real, 2nd Floor, Mountain View, CA, 94040
NPI first listed: 2012-09-21
NPI last updated: 2013-11-14

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