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

Dr. Alex S Metzger, MD

Individual provider Hematology & Oncology Physician · NPI 1821070590

Dr. Alex S Metzger, MD is a Hematology/Oncology in Greenbrae, California. Graduated from Jefferson Medical College of Thomas Jefferson University in 2000, 26 years ago. Practices with Marin Cancer Care, Inc, a 13-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CA
In the registry since
2005
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

1350 S Eliseo Dr Ste 200
Greenbrae, CA 94904-2011
Phone: (415) 925-5000
Fax: (415) 925-5050
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence A79556 (CA)

Record details

NPI number1821070590
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 17, 2005
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2000 (26 years in practice)
Group practice Marin Cancer Care, Inc. — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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