Doctor profile · Federal record

Dr. Estrelania Williams, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Santa Rosa, CA

  • NPI 1164816252
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
500 Doyle Park Dr Ste 103
Santa Rosa, CA 954054559
(707) 579-1102
fax (707) 579-1386
Additional location
50 E 98Th St Apt 14H
New York, NY 100296552
(347) 480-1547
Mailing address
500 Doyle Park Dr, Ste 103
Santa Rosa, CA 954054559

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
October 16, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A165780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164816252. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Organon LLC 1 $11.03

By nature of payment

Food and Beverage
$11

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
0
Total drug cost
$1,875
Drug Type Claims Patients Total cost
Estradiol Generic 19 0 $1,342
Metronidazole Generic 11 0 $533

Frequently asked questions

Auto-generated from federal data
What is Dr. Estrelania Williams's medical specialty?
Dr. Estrelania Williams practices Obstetrics & Gynecology Physician in Santa Rosa, CA.
Where does Dr. Estrelania Williams practice?
Dr. Estrelania Williams practices at 500 Doyle Park Dr Ste 103, Santa Rosa, CA 954054559. Office phone: 7075791102.
What is Dr. Estrelania Williams's NPI?
Dr. Estrelania Williams's National Provider Identifier (NPI) is 1164816252, issued by NPPES.
Does Dr. Estrelania Williams accept Medicare assignment?
Yes. Dr. Estrelania Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.

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 Jul 5, 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 ›