Doctor profile · Federal record

Dr. STEPHEN WILLIAMS, M.D.

Obstetrics & Gynecology Physician · PLEASANTON, CA

  • NPI 1881613461
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5575 W LAS POSITAS BLVD, #330
PLEASANTON, CA 945885801
(925) 734-6655
fax (925) 734-9294

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A31965

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881613461. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$144
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $144.09

By nature of payment

Food and Beverage
$144

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 19, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›