Surgeon profile

Mark Stephen, MD

Orthopedic Surgery · Levittown, NY 11756NPI 1790772408

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

Contactverified live in NPPES · Jul 6, 2026

Active NPI2920 HEMPSTEAD TPKE, LEVITTOWN, NY 11756☎ 516-735-4048

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Operates atCMS affiliations, refreshed monthly

NS/LIJ HS SOUTHSIDE HOSPITAL · BAY SHORE, NYJOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON · PORT JEFFERSON, NYST CHARLES HOSPITAL · PORT JEFFERSON, NYPECONIC BAY MEDICAL CENTER · RIVERHEAD, NYSUNY/STONY BROOK UNIVERSITY HOSPITAL · STONY BROOK, NY

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Tracked procedure volumes

Latest federal claims release with year-over-year momentum. Orthopedics & cardiology tracked — more specialties coming.

61 Medicare cases/yr

59 patients

3 procedures

Procedure	Cases	Trend	Patients
Lumbar Fusion — Posterior CPT 22612	25	▲ +67%	23
Lumbar Laminectomy CPT 63047	25	▲ +108%	25
Cervical Fusion (ACDF) CPT 22551	11	new	11

Industry relationships

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

$27 total received, 2025

1 payments

1 manufacturer relationship 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…