Surgeon profile

Peter Darwin, MD

Gastroenterology · Baltimore, MD 21201NPI 1649231481

Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources

Contactverified live in NPPES · Jul 9, 2026

Active NPI22 S GREENE ST, BALTIMORE, MD 21201☎ 410-328-8729

Checking live NPPES registry…

Operates atCMS affiliations, refreshed monthly

UNIVERSITY OF MARYLAND MEDICAL CENTER · BALTIMORE, MDUNIVERSITY OF MD SHORE MEDICAL CENTER AT EASTON · EASTON, MD

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Tracked procedure volumes

Latest federal claims release with year-over-year momentum. Eight device-heavy specialties tracked — more coming.

149 Medicare cases/yr

140 patients

4 procedures

Procedure	Cases	Trend	Patients
Upper GI Endoscopy (EGD) with Biopsy CPT 43239	52	▲ +33%	49
ERCP with Stent Placement CPT 43274	36	≈ flat	32
Colonoscopy with Biopsy CPT 45380	35	▲ +30%	34
Colonoscopy with Polypectomy (Snare) CPT 45385	26	≈ flat	25

CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.

$59 total received, 2025

3 payments

3 manufacturer relationships on file

See exactly which companies pay this surgeon — and how much — with a paid plan.

7-year payment trajectory (who's warming up, who's cooling off on this surgeon) is a paid feature. Unlock

Pulling CY2025 industry payments + 7-year history…