Doctor profile · Federal record

Dr. William Kerridge, M.D.

Student in an Organized Health Care Education/Training Program (CMS: Diagnostic Radiology) · San Francisco, CA

  • NPI 1053608026
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
505 Parnassus Ave, Room M-391, Box 0628
San Francisco, CA 941432204
(415) 353-1821
fax (415) 476-8482

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
February 11, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
390200000X — NUCC code
State license (1)
California #A142446

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053608026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20
Distinct HCPCS
1
Medicare allowed
$185
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 20 20 $9

In context: peer comparison

Among 52 peers in this city , average services per provider: 58. This provider delivers 0.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Kerridge's medical specialty?
Dr. William Kerridge practices Student in an Organized Health Care Education/Training Program in San Francisco, CA.
Where does Dr. William Kerridge practice?
Dr. William Kerridge practices at 505 Parnassus Ave, San Francisco, CA 941432204. Office phone: 4153531821.
What is Dr. William Kerridge's NPI?
Dr. William Kerridge's National Provider Identifier (NPI) is 1053608026, issued by NPPES.
Does Dr. William Kerridge accept Medicare assignment?
Yes. Dr. William Kerridge accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Kerridge commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.