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

Dr. Alan B. Glassberg, MD

Individual provider Internal Medicine Physician · NPI 1770519126

Dr. Alan B. Glassberg, MD is an Internal Medicine Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

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

1600 Divisadero St
San Francisco, CA 94115-3010
Phone: (415) 353-9888
Fax: (415) 353-7150
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Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence C27145 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence C27145 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence C27145 (CA)

Record details

NPI number1770519126
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 25, 2006
Last updated in NPPESJuly 13, 2026

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