Doctor profile · Federal record

Dr. William Park, MD

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · Washington, DC

  • NPI 1710446026
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1133 21St St Nw Building 2, 5Th Floor
Washington, DC 200363390
(202) 416-2000
Additional location
811 Massachusetts Ave
Boston, MA 021182605
(617) 445-6400
Additional location
593 Eddy St Ste 240
Providence, RI 029034923
(401) 444-5034
Mailing address
593 Eddy St Ste 240
Providence, RI 029034923

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
August 7, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Maryland #D0103627 · Massachusetts #280221

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710446026. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$312
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 2 $184.95
E.R. Squibb & Sons, L.L.C. 1 $127.54

By nature of payment

Food and Beverage
$263
Education
$50

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
11
Total drug cost
$492
Drug Type Claims Patients Total cost
Omeprazole Generic 26 11 $492

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Park's medical specialty?
Dr. William Park practices Gastroenterology Physician in Washington, DC.
Where does Dr. William Park practice?
Dr. William Park practices at 1133 21St St Nw Building 2, Washington, DC 200363390. Office phone: 2024162000.
What is Dr. William Park's NPI?
Dr. William Park's National Provider Identifier (NPI) is 1710446026, issued by NPPES.
Does Dr. William Park accept Medicare assignment?
Yes. Dr. William Park accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.