Doctor profile · Federal record

Dr. LYNN BUI, MD

Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Medical Toxicology (Emergency Medicine) Physician · SAN FRANCISCO, CA

  • NPI 1265448419
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1001 POTRERO AVE, RM 1E21
SAN FRANCISCO, CA 941103518
(415) 206-5753
fax (415) 206-5818
Mailing address
PO BOX 7464
SAN FRANCISCO, CA 941207464

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 6, 2021
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A55757
Medicaid
CA #OOA557570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265448419. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26
Distinct HCPCS
2
Medicare allowed
$4,128
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 14 14 $182
99284 Emergency department visit with moderate level of medical decision making 12 12 $131

In context: peer comparison

Among 87 peers in this city , average services per provider: 91. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
86
Patients
86
Total drug cost
$763
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 34 34 $219
Cephalexin Generic 29 29 $314
Ondansetron Odt (Ondansetron) Brand 12 12 $81
Doxycycline Monohydrate Generic 11 11 $149

Hospital affiliations

CMS Hospital Compare