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

Michael Main, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1649833005

Michael Main, MD is an Allergy/Immunology in San Francisco, California. Graduated from New York University School of Medicine in 2019, 7 years ago. Practices with Regents of the University of California - UCSF, a 79-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
7
Trained at
New York University School of Medicine
Licensed in
CA
In the registry since
2019
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

45 Castro St
San Francisco, CA 94114-1010
Phone: (702) 882-5285
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence A178576 (CA)

Record details

NPI number1649833005
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2019
Last updated in NPPESOctober 13, 2024
Certification dateOctober 13, 2024

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Regents Of The University Of California - Ucsf — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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