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Surgeon profile

Daniel Callahan, MD

Pain Management · Sullivan, IN 47882NPI 1255580593

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

Checking live NPPES registry…

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Tracked procedure volumes

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

181 Medicare cases/yr
118 patients
2 procedures
ProcedureCasesTrendPatients
Radiofrequency Ablation — Lumbar Facet CPT 64635120▲ +33%67
Transforaminal Epidural Injection — Lumbar CPT 6448361≈ flat51

Industry relationships

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

Pulling CY2025 industry payments + 7-year history…