Doctor profile · Federal record
Dr. Michael Thomashow
Rheumatology Physician (CMS: Rheumatology) · San Francisco, CA
- NPI 1528420973
- Accepts Medicare
- MIPS 83.9 / 100 · 2023
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
505 Parnassus Ave, Room 987
San Francisco, CA 941432204
(415) 476-1528 - Mailing address
-
70 Beechdale RD
Dobbs Ferry, NY 105223021
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- August 8, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #A154000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528420973. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
1
Medicare allowed
$3,788
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 43 | 20 | $88 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 89. This provider delivers 0.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
131
Patients
22
Total drug cost
$172,994
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 42 | 11 | $1,609 |
| Prednisone | Generic | 24 | 11 | $347 |
| Diclofenac Sodium | Generic | 17 | 0 | $459 |
| Actemra Actpen (Tocilizumab) | Brand | 15 | 0 | $40,921 |
| Allopurinol | Generic | 11 | 0 | $397 |
| Enbrel Sureclick (Etanercept) | Brand | 11 | 0 | $129,089 |
| Ibuprofen | Generic | 11 | 0 | $172 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Thomashow's medical specialty?
Dr. Michael Thomashow practices Rheumatology Physician in San Francisco, CA.
Where does Dr. Michael Thomashow practice?
Dr. Michael Thomashow practices at 505 Parnassus Ave, San Francisco, CA 941432204. Office phone: 4154761528.
What is Dr. Michael Thomashow's NPI?
Dr. Michael Thomashow's National Provider Identifier (NPI) is 1528420973, issued by NPPES.
Does Dr. Michael Thomashow accept Medicare assignment?
Yes. Dr. Michael Thomashow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Thomashow commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.