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

Max Jacob Blumberg, MD

Individual provider Occupational Medicine Physician · NPI 1326507385

Max Jacob Blumberg, MD is an Occupational Medicine Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2330 Post St Ste 460
San Francisco, CA 94115-3466
Phone: (415) 885-7580
Fax: (415) 514-5614
Show map & directions

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

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence A180291 (CA)
Occupational Medicine Physician Taxonomy 2083X0100X · Licence A180291 (CA)

Record details

NPI number1326507385
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2019
Last updated in NPPESDecember 12, 2025
Certification dateDecember 12, 2025

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