Doctor profile · Federal record

Dr. William Chow, D.O.

Specialist (CMS: Dermatology) · Oakland, CA

  • NPI 1417981192
  • Accepts Medicare
  • MIPS 87.5 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3120 Webster St
Oakland, CA 946093421
(510) 681-8587
fax (888) 939-4229
Additional location
795 E. Second St., Suite 5
Pomona, CA 917662007
(909) 865-2565
fax (909) 865-2955
Mailing address
501 Beale St, PH 1B
San Francisco, CA 941055025

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 21, 2021
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #20A4862

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417981192. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,184
Distinct HCPCS
10
Medicare allowed
$492,928
HCPCS Description Services Patients Avg allowed
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 390 338 $679
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 191 124 $425
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 132 118 $258
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 117 100 $119
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 81 77 $244
17313 Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 57 53 $621
99204 New patient office or other outpatient visit, 45-59 minutes 46 46 $185
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm 35 30 $137
12034 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm 27 26 $295
13121 Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm 26 26 $233

In context: peer comparison

Among 3 peers in this city , average services per provider: 403. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$339
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 4 $169.31
Regeneron Healthcare Solutions, Inc. 1 $147.90
Dermavant Sciences, Inc. 1 $21.97

By nature of payment

Food and Beverage
$339

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
94
Total drug cost
$798
Drug Type Claims Patients Total cost
Mupirocin Generic 83 75 $748
Cephalexin Generic 19 19 $50

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Chow's medical specialty?
Dr. William Chow practices Specialist in Oakland, CA.
Where does Dr. William Chow practice?
Dr. William Chow practices at 3120 Webster St, Oakland, CA 946093421. Office phone: 5106818587.
What is Dr. William Chow's NPI?
Dr. William Chow's National Provider Identifier (NPI) is 1417981192, issued by NPPES.
Does Dr. William Chow accept Medicare assignment?
Yes. Dr. William Chow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chow commonly perform?
Top Medicare-reported procedures in 2023: Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (HCPCS 17312); Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm (HCPCS 12032). Source: CMS Medicare Physician & Other Practitioners file.