Surgeon profile

Aaron Johnson, MD

Orthopedic Surgery · Baltimore, MD 21201NPI 1538420641

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

Contactverified live in NPPES · Jul 8, 2026

Active NPI22 S GREENE ST, BALTIMORE, MD 21201☎ 410-448-6400

Checking live NPPES registry…

Operates atCMS affiliations, refreshed monthly

UNIVERSITY OF MARYLAND MEDICAL CENTER · BALTIMORE, MDUNIVERSITY OF MD BALTIMORE WASHINGTON MEDICAL CENTER · GLEN BURNIE, MDUNIVERSITY OF MD CAPITAL REGION MEDICAL CENTER · UPPER MARLBORO, MD

Loading hospital affiliations…

Tracked procedure volumes

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

72 Medicare cases/yr

70 patients

3 procedures

Procedure	Cases	Trend	Patients
Total Hip Replacement (THA) CPT 27130	34	▼ -24%	34
Total Knee Replacement (TKA) CPT 27447	20	▼ -41%	18
Revision Knee — All Components CPT 27487	18	▲ +6%	18

Industry relationships

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

$14,458 total received, 2025

11 payments

3 manufacturer relationships on file

See exactly which companies pay this surgeon — and how much — with a paid plan.

Unlock competitor intel — $199/mo

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…