Doctor profile · Federal record

Dr. Sandy Feng, MD

Surgery Physician (CMS: General Surgery) · Transplant Surgery Physician · San Francisco, CA

  • NPI 1114981594
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-2318
fax (415) 353-8917
Mailing address
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 16, 2008
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #G83048
Medicaid
CA #0G8304800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114981594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
3
Medicare allowed
$16,668
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 62 54 $161
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 40 26 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 11 $89

In context: peer comparison

Among 33 peers in San Francisco Surgery Physician, average services per provider: 39. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
95
Patients
0
Total drug cost
$3,384
Drug Type Claims Patients Total cost
Omeprazole Generic 31 0 $220
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 26 0 $167
Prednisone Generic 23 0 $120
Valganciclovir Hcl Generic 15 0 $2,876

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandy Feng's medical specialty?
Dr. Sandy Feng practices Surgery Physician in San Francisco, CA.
Where does Dr. Sandy Feng practice?
Dr. Sandy Feng practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153532318.
What is Dr. Sandy Feng's NPI?
Dr. Sandy Feng's National Provider Identifier (NPI) is 1114981594, issued by NPPES.
Does Dr. Sandy Feng accept Medicare assignment?
Yes. Dr. Sandy Feng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandy Feng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.