Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Michael Alexander Thomashow

Individual provider Rheumatology Physician · NPI 1528420973

Michael Alexander Thomashow is a Rheumatology in San Francisco, California. Qualified in 2016, 10 years ago. Practices with Alameda Health System, a 601-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
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Practice location Address checks out

505 Parnassus Ave Rm 987
San Francisco, CA 94143-2204
Phone: (415) 476-1528
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A154000 (CA)

Record details

NPI number1528420973
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 24, 2016
Last updated in NPPESAugust 8, 2022
Certification dateAugust 8, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Alameda Health System — 601 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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