Michael Louis Dworkin, MD

Offices

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

Looking this up.

Hospitals listed: Dominican Hospital. That is not proof they admit you there this week.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Dworkin’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A166759 · Current

Licensed to practise in California · since 2019 · expires 2027-11-30 · Duke University School of Medicine.

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

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.

Dominican HospitalSanta Cruz, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of CommonSpirit Health, which runs 145 hospitals in 19 statesPatients rate it 4 of 5 · 68% would definitely recommend it
Overall rating: 4 of 5 starsWorse than the national rate — Postoperative sepsis rate: 11.66 (8.02 to 15.3) · 412 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.168, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.169, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.489, Oct 2024 – Sep 2025

See every measure and the patient survey for Dominican Hospital

Behind the star rating — Deaths: 1 better, 7 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 1 better, 8 the same, 2 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 Dominican Hospital

Postoperative sepsis rateComplications and deaths	11.66 (8.02 to 15.3) · 412 cases	Worse	Jul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections	0.168	Better	Oct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections	0.169	Better	Oct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections	0.489	Better	Oct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths	1.01 (0.06 to 1.95) · 1,248 cases	No different	Jul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths	1.14 (0.85 to 1.43)	No different	Jul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths	134.37 (94.33 to 174.41) · 132 cases	No different	Jul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths	2.4 · 54 cases	None	Jul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths	7.2 · 137 cases	None	Jul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths	12 · 228 cases	None	Jul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths	10.5 · 534 cases	None	Jul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths	12.8 · 491 cases	None	Jul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths	8.7 · 278 cases	None	Jul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths	3.4 · 2,973 cases	None	Jul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths	0.14 (0 to 0.34) · 7,510 cases	No different	Jul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths	0.21 (0.02 to 0.4) · 7,695 cases	No different	Jul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths	3.42 (1.44 to 5.4) · 1,594 cases	No different	Jul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths	1.26 (0 to 2.76) · 436 cases	No different	Jul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths	1.85 (0.4 to 3.29) · 1,474 cases	No different	Jul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths	8.73 (3 to 14.46) · 437 cases	No different	Jul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths	1.58 (0.13 to 3.03) · 343 cases	No different	Jul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths	0.57 (0 to 1.17) · 6,336 cases	No different	Jul 2022 – Jun 2024
MRSA BacteremiaInfections	0.615	No different	Oct 2024 – Sep 2025
SSI - Colon SurgeryInfections	1.937	No different	Oct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits	16 · 212 cases	None	Jul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits	22 · 505 cases	None	Jul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits	45 · 237 cases	None	Jul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits	-13.5 · 594 cases	None	Jul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits	1.9 · 510 cases	None	Jul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits	16.9 · 473 cases	None	Jul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits	5.2 (3.4 to 7.8) · 126 cases	No different	Jan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits	13 (9.4 to 17.7) · 126 cases	No different	Jan 2024 – Dec 2024
Rate of readmission for CABGUnplanned return visits	12.7 · 43 cases	None	Jul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits	19.7 · 143 cases	None	Jul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits	12.1 (9.4 to 15.4) · 1,585 cases	No different	Jan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits	1 (0.7 to 1.3) · 390 cases	No different	Jan 2024 – Dec 2024

What patients said (774 patients answered, 23% of those asked)

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Patient survey stars by topic at Dominican Hospital

Cleanliness	4
Nurse communication	4
Doctor communication	4
Communication about medicines	3
Discharge information	4
Overall hospital rating	3
Quietness	1
Recommend hospital	4

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Share of patients giving the best answer at Dominican Hospital

Room was "always" clean	73%
Nurses "always" communicated well	79%
Doctors "always" communicated well	81%
Staff "always" explained	61%
Yes, staff "did" give patients this information	87%
Yes, staff "did" give patients information about help after discharge	86%
Doctors "always" explained things so they could understand	77%
Doctors "always" listened carefully	79%
Doctors "always" treated them with courtesy and respect	87%
Patients who gave a rating of "9" or "10" (high)	67%
Staff "always" explained new medications	75%
Nurses "always" explained things so they could understand	76%
Nurses "always" listened carefully	76%
Nurses "always" treated them with courtesy and respect	85%
"Always" quiet at night	32%
"YES", patients would definitely recommend the hospital	68%
Staff "always" explained possible side effects	48%
Yes, staff "did" give patients information about possible symptoms	88%

Original Medicare doctor bills

$1,649,191

Medicare paid this office $1,649,191 for 290 people.

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

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Largest Original Medicare bills

Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session	84	$648,952	$332
Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment	101	$193,501	$96
Ct guidance for insertion of radiation therapy fields	182	$184,409	$107
High precision radiation therapy planning	85	$168,654	$1,687
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev	31	$88,016	$216

See all 23 services

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Every Original Medicare service billed

Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session	84	$648,952	$332
Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment	101	$193,501	$96
Ct guidance for insertion of radiation therapy fields	182	$184,409	$107
High precision radiation therapy planning	85	$168,654	$1,687
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev	31	$88,016	$216
Radiation treatment management, 5 treatment sessions	140	$68,491	$157
Design and construction of radiation treatment device for high precision radiation therapy	85	$46,609	$416
Cranial lesion surgery using radiation over multiple sessions	13	$43,914	$934
Continuing radiation therapy consultation per week	113	$37,963	$82
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area	96	$30,818	$251
New patient visit (60+ min)	136	$24,497	$180
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved	45	$19,423	$413
Calculation of radiation therapy dose	114	$16,966	$59
Complex radiation therapy planning	112	$15,587	$134
3d radiation therapy planning	28	$11,984	$428
Design and construction of complex radiation treatment device	43	$9,728	$112
Management of cranial lesion surgery using radiation over multiple sessions	14	$7,380	$527
Long return visit (40+ min)	39	$7,175	$153
Return visit (30+ min)	40	$5,099	$104
Special radiation treatment	34	$3,976	$117
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or	121	$3,869	$27
X-ray during radiation therapy	24	$910	$14
Short return visit	12	$589	$49

Who their Medicare patients are

290 Original Medicare patients in 2024. Average age 75 · Women 40% · Also on Medicaid 20% · Health risk score 1.51. At or below the middle of the specialty; the typical radiation oncology clinician is at 1.69.

Conditions among them: Cancer 75% · High blood pressure 68% · Diabetes 23% · Chronic kidney disease 21% · Coronary heart disease 19% · Atrial fibrillation 19% · Depression 16% · Heart failure 11% · COPD 11% · Stroke 7%.

The office billed $11,477,756, Medicare allowed $2,073,757 and paid $1,649,191; for 8,615 services of 40 kinds.

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	290	8,615	75	1.51	$11,477,756	$1,649,191
2023	94	1,069	75	1.11	$1,138,389	$194,991

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: 12 services

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Original Medicare services billed in 2023

Ct guidance for insertion of radiation therapy fields	59	$48,185	$110
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session	17	$40,330	$345
High precision radiation therapy planning	15	$27,417	$1,714
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev	14	$21,159	$225
Radiation treatment management, 5 treatment sessions	34	$10,229	$162
Design and construction of radiation treatment device for high precision radiation therapy	15	$7,981	$420
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved	12	$5,105	$425
Calculation of radiation therapy dose	26	$4,339	$59
New patient visit (60+ min)	23	$4,313	$188
Design and construction of complex radiation treatment device	15	$3,856	$113
Complex radiation therapy planning	25	$3,553	$142
Continuing radiation therapy consultation per week	18	$3,175	$81

Drugs they prescribed that Part D paid

$73,904

Pharmacies billed $73,904 in 2024.

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

Opioids were 0% of their Part D prescriptions (0 of 134) in 2024. At or below the middle of the specialty; the typical radiation oncology clinician is at 11%.

107 generic and 27 brand-name prescriptions · $73,904 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

Orgovyx	27	$72,513	$2,686
Tamsulosin	40	$440	$11
Triamcinolone Acetonide	17	$337	$20

Year by year

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Part D prescribing by year

2024	134	61	0% (0)	20%	$73,904
2023	70	27	0% (0)	0%	$1,197
2022	13	11	0% (0)	None	$316
2021	43	22	0% (0)	0%	$993
2020	102	37	None	0%	$2,729

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

See the drugs prescribed each year

2023: 2 drugs

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Part D drugs prescribed in 2023

Tamsulosin	28	$471	$17
Famotidine	19	$186	$10

2021: 1 drug

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Part D drugs prescribed in 2021

Tamsulosin	25	$563	$23

2020: 3 drugs

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Part D drugs prescribed in 2020

Tamsulosin	36	$1,208	$34
Famotidine	12	$356	$30
Omeprazole	16	$164	$10

Money from drug and device companies

$231 in 2025

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Industry payments by year

2025	5	9	None	$231
2024	7	17	None	$552
2023	2	2	None	$120
2022	2	2	$5,100	$5,125

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

Pfizer	Xtandi	$57	2 payments Meals for Xtandi · 2025-10-27 · $28 Meals for Xtandi · 2025-07-14 · $29
Novartis Pharmaceuticals	Pluvicto	$55	2 payments Meals for Pluvicto · 2025-09-30 · $33 Meals for Pluvicto · 2025-02-25 · $23
Sumitomo Pharma America	Orgovyx	$54	2 payments Meals for Orgovyx · 2025-10-20 · $28 Meals for Orgovyx · 2025-02-19 · $26
Janssen Biotech	Erleada	$50	2 payments Meals for Erleada · 2025-09-29 · $30 Meals for Erleada · 2025-04-16 · $20
Regeneron Healthcare Solutions	Libtayo	$14	1 payment Meals for Libtayo · 2025-04-29 · $14

See all 9 published payments

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Every published payment

Pfizer	Meals · 2025-10-27	Xtandi	$28
Sumitomo Pharma America	Meals · 2025-10-20	Orgovyx	$28
Novartis Pharmaceuticals	Meals · 2025-09-30	Pluvicto	$33
Janssen Biotech	Meals · 2025-09-29	Erleada	$30
Pfizer	Meals · 2025-07-14	Xtandi	$29
Regeneron Healthcare Solutions	Meals · 2025-04-29	Libtayo	$14
Janssen Biotech	Meals · 2025-04-16	Erleada	$20
Novartis Pharmaceuticals	Meals · 2025-02-25	Pluvicto	$23
Sumitomo Pharma America	Meals · 2025-02-19	Orgovyx	$26

See earlier years (2024, 2023, 2022)

2024: $552

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Payments by company in 2024

Boston Scientific	Spaceoar Vue System - 10ml	$175	1 payment Meals for Spaceoar Vue System - 10ml · 2024-12-16 · $175
Regeneron Healthcare Solutions	Libtayo	$88	3 payments Meals for Libtayo · 2024-11-12 · $27 Meals for Libtayo · 2024-07-10 · $33 Meals for Libtayo · 2024-04-22 · $27
Pfizer	Xtandi	$85	5 payments Meals for Xtandi · 2024-10-28 · $14 Meals for Xtandi · 2024-09-26 · $13 Meals for Xtandi · 2024-08-12 · $17 Meals for Xtandi · 2024-06-10 · $15 Meals for Xtandi · 2024-05-06 · $25
Janssen Biotech	Erleada	$81	3 payments Meals for Erleada · 2024-10-03 · $31 Meals for Balversa · 2024-04-19 · $24 Meals for Erleada · 2024-02-08 · $25
Coherus Biosciences	Udenyca	$53	2 payments Meals for Udenyca · 2024-07-22 · $27 Meals for Udenyca · 2024-03-18 · $26
Sumitomo Pharma America	Orgovyx	$47	2 payments Meals for Orgovyx · 2024-11-04 · $15 Meals for Orgovyx · 2024-07-17 · $32
Myriad Genetic Laboratories	Prolaris	$25	1 payment Meals for Prolaris · 2024-08-19 · $25

2023: $120

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Payments by company in 2023

Boston Scientific	Spaceoar Vue System - 10ml	$101	1 payment Meals for Spaceoar Vue System - 10ml · 2023-12-08 · $101
AstraZeneca Pharmaceuticals LP	Tagrisso	$19	1 payment Meals for Tagrisso · 2023-11-15 · $19

2022: $5,125

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Payments by company in 2022

MIM Software	Contour Protege Ai	$5,100	1 payment Consulting for Contour Protege Ai · 2022-08-18 · $5,100
Abbvie	Lupron Depot	$25	1 payment Meals for Lupron Depot · 2022-06-16 · $25

Professional record

NPI: 1922505924
Licence: CA A166759California A166759: Current · expires 2027-11-30
Trained: Duke University School of Medicine, 2018
Group: Sutter Bay Medical Foundation
Video visits: Lists video visits
Gender: Male

More record details

Sole proprietor: No
Taxonomy: Federal specialty code 2085R0001X (2085R0001X)
Mailing address: 325 Distel Cir, Los Altos, CA, 94022
NPI first listed: 2018-04-07
NPI last updated: 2024-03-06
NPI record certified: 2024-03-06

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