Doctor profile · Federal record

Dr. ALYSSA REN, MD

Family Medicine Physician (CMS: FAMILY PRACTICE) · Student in an Organized Health Care Education/Training Program · SAN FRANCISCO, CA

  • NPI 1811331903
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4 EMBARCADERO CTR LBBY LEVEL5TH
SAN FRANCISCO, CA 941114174
(415) 529-4566
fax (415) 252-7176
Mailing address
130 SUTTER ST FL 2
SAN FRANCISCO, CA 941044009

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
March 14, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #141628

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811331903. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58
Distinct HCPCS
2
Medicare allowed
$7,573
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 31 29 $151
99213 Established patient office or other outpatient visit, 20-29 minutes 27 18 $107

In context: peer comparison

Among 82 peers in this city , average services per provider: 96. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$3,202
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 14 0 $194
Losartan Potassium Generic 11 0 $150
Synthroid (Levothyroxine Sodium) Brand 11 0 $2,858