Doctor profile · Federal record

Dr. John Paul Nsubuga, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Medford, MA

  • NPI 1164089777
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
26 City Hall Mall
Medford, MA 021554754
(781) 306-5100
Additional location
593 Eddy St
Providence, RI 029034923
(401) 444-7378

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
June 26, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Massachusetts #1022948 · Massachusetts #279943 · Rhode Island #LP05518

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164089777. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$584
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 2 $265.24
E.R. Squibb & Sons, L.L.C. 1 $127.54
Gilead Sciences, INC. 1 $107.57
Lilly USA, LLC 1 $83.31

By nature of payment

Food and Beverage
$584

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
70
Patients
19
Total drug cost
$1,763
Drug Type Claims Patients Total cost
Omeprazole Generic 51 19 $1,589
Pantoprazole Sodium Generic 19 0 $174

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Paul Nsubuga's medical specialty?
Dr. John Paul Nsubuga practices Gastroenterology Physician in Medford, MA.
Where does Dr. John Paul Nsubuga practice?
Dr. John Paul Nsubuga practices at 26 City Hall Mall, Medford, MA 021554754. Office phone: 7813065100.
What is Dr. John Paul Nsubuga's NPI?
Dr. John Paul Nsubuga's National Provider Identifier (NPI) is 1164089777, issued by NPPES.
Does Dr. John Paul Nsubuga accept Medicare assignment?
Yes. Dr. John Paul Nsubuga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.