Surgeon profile

Per Sommer, M.D.

Interventional Cardiology · Billings, MT 59101NPI 1396075297

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

Contactverified live in NPPES · Jul 6, 2026

Active NPI801 N 29TH ST, BILLINGS, MT 59101☎ 406-238-2500

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Operates atCMS affiliations, refreshed monthly

HONORHEALTH DEER VALLEY MEDICAL CENTER · PHOENIX, AZHONOR HEALTH JOHN C. LINCOLN MEDICAL CENTER · PHOENIX, AZHONORHEALTH SCOTTSDALE SHEA MEDICAL CENTER · SCOTTSDALE, AZBANNER - UNIVERSITY MEDICAL CENTER PHOENIX · PHOENIX, AZHONORHEALTH SCOTTSDALE OSBORN MEDICAL CENTER · SCOTTSDALE, AZ

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Tracked procedure volumes

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

146 Medicare cases/yr

140 patients

3 procedures

Procedure	Cases	Trend	Patients
Diagnostic Cardiac Cath (Left Heart) CPT 93458	86	▲ +54%	86
Coronary Stent Placement CPT 92928	33	▲ +83%	27
TAVR — Transfemoral CPT 33361	27	▲ +69%	27

Industry relationships

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

$9,201 total received, 2025

76 payments

9 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…