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

Andrea Harzstark, MD

Individual provider Hematology & Oncology Physician · NPI 1871766576

Andrea Harzstark, MD is a Hematology/Oncology in San Francisco, California. Graduated from Stanford University School of Medicine in 2002, 24 years ago. Licensed in California.

Years since qualifying
24
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2008
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

1600 Divisadero St Urologic Oncology 3rd Fl Box 1711
San Francisco, CA 94143-3010
Phone: (415) 353-7171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence A86175 (CA)

Record details

NPI number1871766576
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2008
Last updated in NPPESDecember 15, 2021

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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