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

Rena Mei, MD

Individual provider Gastroenterology Physician · NPI 1023571908

Rena Mei, MD is an Internal Medicine in San Francisco, California. Graduated from Icahn School of Medicine at Mount Sinai in 2019, 7 years ago. Practices with University of California Sfgh Medical Group, a 571-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Trained at
Icahn School of Medicine at Mount Sinai
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

1001 Potrero Ave Bldg 5 3RD Fl Ste 3D
San Francisco, CA 94110
Phone: (628) 206-8823
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 622 W 168th St, New York, NY 10032-3720 — (212) 305-6262

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A178993 (CA)

Record details

NPI number1023571908
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2019
Last updated in NPPESJune 12, 2025
Certification dateJune 12, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2019 (7 years in practice)
Group practice University Of California Sfgh Medical Group — 571 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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