Doctor profile · Federal record

Dr. Peter Stock, MD

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

  • NPI 1801850805
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-1551
fax (415) 353-8974
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
July 22, 2008
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #G68680
Medicaid
CA #0G6868000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801850805. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
107
Distinct HCPCS
5
Medicare allowed
$38,402
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 39 19 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 31 20 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $110
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $162
50360 Transplantation of donor kidney 11 11 $2,453

In context: peer comparison

Among 33 peers in this city , average services per provider: 39. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
0
Total drug cost
$7,094
Drug Type Claims Patients Total cost
Atovaquone Generic 17 0 $7,094

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Stock's medical specialty?
Dr. Peter Stock practices Surgery Physician in San Francisco, CA.
Where does Dr. Peter Stock practice?
Dr. Peter Stock practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153531551.
What is Dr. Peter Stock's NPI?
Dr. Peter Stock's National Provider Identifier (NPI) is 1801850805, issued by NPPES.
Does Dr. Peter Stock accept Medicare assignment?
Yes. Dr. Peter Stock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Stock commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.