Doctor profile · Federal record

Dr. Yunzhu Mei, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Hospitalist Physician · Internal Medicine Physician · Internal Medicine Physician · Pulmonary Disease Physician · San Francisco, CA

  • NPI 1821114182
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 Hyde St
San Francisco, CA 941094806
(415) 353-6000

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 17, 2015
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
California #115793 · New York #251974

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821114182. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
2
Medicare allowed
$19,714
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 66 36 $232
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 33 23 $132

In context: peer comparison

Among 7 peers in this city , average services per provider: 85. This provider delivers 1.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Yunzhu Mei's medical specialty?
Dr. Yunzhu Mei practices Critical Care Medicine (Internal Medicine) Physician in San Francisco, CA.
Where does Dr. Yunzhu Mei practice?
Dr. Yunzhu Mei practices at 900 Hyde St, San Francisco, CA 941094806. Office phone: 4153536000.
What is Dr. Yunzhu Mei's NPI?
Dr. Yunzhu Mei's National Provider Identifier (NPI) is 1821114182, issued by NPPES.
Does Dr. Yunzhu Mei accept Medicare assignment?
Yes. Dr. Yunzhu Mei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yunzhu Mei commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.