Surgeon profile

Mark Massak, D.O.

Diagnostic Radiology · Chambersburg, PA 17201NPI 1952740532

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

Contactverified live in NPPES · Jul 9, 2026

Active NPI12 ST. PAUL DRIVE, CHAMBERSBURG, PA 17201☎ 717-217-6026

Checking live NPPES registry…

Operates atCMS affiliations, refreshed monthly

WELLSPAN CHAMBERSBURG HOSPITAL · CHAMBERSBURG, PAWELLSPAN WAYNESBORO HOSPITAL · WAYNESBORO, PAGETTYSBURG HOSPITAL · GETTYSBURG, PAWELLSPAN YORK HOSPITAL · YORK, PAMERITUS MEDICAL CENTER · HAGERSTOWN, MD

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Tracked procedure volumes

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

11 Medicare cases/yr

11 patients

1 procedure

Procedure	Cases	Trend	Patients
Kyphoplasty — Lumbar CPT 22514	11	new	11

Industry relationships

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

$2,525 total received, 2025

22 payments

8 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…