Surgeon profile

Ronald Markos, MD

Gastroenterology · Sellersville, PA 18960NPI 1851399786

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

Contactverified live in NPPES · Jul 8, 2026

Active NPI817 LAWN AVE, SELLERSVILLE, PA 18960☎ 215-257-5071

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Operates atCMS affiliations, refreshed monthly

ST LUKE'S HOSPITAL - GRAND VIEW CAMPUS · SELLERSVILLE, PAST LUKE'S HOSPITAL - UPPER BUCKS CAMPUS · QUAKERTOWN, PAJEFFERSON LANSDALE HOSPITAL · LANSDALE, PADOYLESTOWN HOSPITAL · DOYLESTOWN, PAJEFFERSON EINSTEIN MONTGOMERY HOSPITAL · EAST NORRITON, PA

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Tracked procedure volumes

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

428 Medicare cases/yr

422 patients

3 procedures

Procedure	Cases	Trend	Patients
Colonoscopy with Polypectomy (Snare) CPT 45385	254	≈ flat	254
Upper GI Endoscopy (EGD) with Biopsy CPT 43239	135	▼ -20%	129
Colonoscopy with Biopsy CPT 45380	39	▼ -30%	39

Industry relationships

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

$944 total received, 2025

45 payments

12 manufacturer relationships on file

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Relationship trajectory, 2019–2025

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…