Surgeon profile

John Mccallum, M.D.

Orthopedic Surgery · Hamden, CT 06518NPI 1447247606

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

Contactverified live in NPPES · Jul 6, 2026

Active NPI84 N MAIN ST, BRANFORD, CT 06405☎ 203-483-2509

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Operates atCMS affiliations, refreshed monthly

MIDSTATE MEDICAL CENTER · MERIDEN, CTYALE-NEW HAVEN HOSPITAL · NEW HAVEN, CT

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Tracked procedure volumes

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

81 Medicare cases/yr

76 patients

1 procedure

Procedure	Cases	Trend	Patients
Total Knee Replacement (TKA) CPT 27447	81	▼ -24%	76

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

$1,654 total received, 2025

17 payments

2 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…