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

Dr. Thomas G. Martin, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1649234790

Dr. Thomas G. Martin, MD is a Hematology in San Francisco, California. Graduated from University of Connecticut School of Medicine in 1989, 37 years ago. Practices with UCSF Medical Group Business Services, a 1,531-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
37
Trained at
University of Connecticut School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 Parnassus Ave
San Francisco, CA 94143-2202
Phone: (415) 353-2421
Fax: (415) 353-2467
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G70576 (CA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence G70576 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence G70576 (CA)

Record details

NPI number1649234790
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2006
Last updated in NPPESMarch 8, 2021
Certification dateMarch 8, 2021

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Ucsf Medical Group Business Services — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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