Doctor profile · Federal record
Dr. Michael Wynn, MD
Surgery Physician (CMS: General Surgery) · San Ramon, CA
- NPI 1285673996
- Accepts Medicare
- 48 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5601 Norris Canyon RD, Ste 100
San Ramon, CA 945835407
(925) 277-1055
fax (925) 277-1915 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 3, 2020
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #006398000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285673996. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
217
Distinct HCPCS
5
Medicare allowed
$27,036
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 108 | 75 | $70 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 58 | 58 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 19 | $109 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 17 | 17 | $89 | |
49650 |
Repair of groin hernia using an endoscope | 15 | 15 | $544 |
In context: peer comparison
Among 2 peers in San Ramon Surgery Physician, average services per provider: 42. This provider delivers 5.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
55
Patients
39
Total drug cost
$541
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 42 | 39 | $116 |
| Tamoxifen Citrate | Generic | 13 | 0 | $426 |
Frequently asked questions
What is Dr. Michael Wynn's medical specialty?
Dr. Michael Wynn practices Surgery Physician in San Ramon, CA.
Where does Dr. Michael Wynn practice?
Dr. Michael Wynn practices at 5601 Norris Canyon RD, San Ramon, CA 945835407. Office phone: 9252771055.
What is Dr. Michael Wynn's NPI?
Dr. Michael Wynn's National Provider Identifier (NPI) is 1285673996, issued by NPPES.
Does Dr. Michael Wynn accept Medicare assignment?
Yes. Dr. Michael Wynn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Wynn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.