RENA MEI MD
NPI 1023571908
Internal Medicine - Gastroenterology in San Francisco, CA
About Rena Mei Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RENA MEI MD (NPI 1023571908) is an individual gastroenterology provider in San Francisco, California, licensed in California (A178993) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Icahn School Of Medicine At Mount Sinai (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Rena Mei Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rena Mei's NPI number?
The NPI number for Rena Mei is 1023571908. It was assigned to this individual provider in the NPPES registry on April 9, 2019.
Where is Rena Mei located?
Rena Mei practices at 1001 Potrero Avenue Building 5, 3rd Floor, Suite 3D, San Francisco, CA 94110. The listed phone number is (628) 206-8823.
What is Rena Mei's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Rena Mei enrolled in Medicare?
Yes. Rena Mei is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Rena Mei was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Rena Mei, MD · NPI 1023571908
Gastroenterology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 9, 2019.
## Identity
- **NPI:** 1023571908 (Entity type: Individual)
- **Enumerated:** April 9, 2019
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A178993 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 POTRERO AVENUE, BUILDING 5, 3RD FLOOR, SUITE 3D, San Francisco, CA 94110
- **Phone:** (628) 206-8823
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2019
## Record status
- **NPPES last updated:** June 12, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1023571908) · Data from the CMS NPPES public registry.