Aaron J. Johnson, MD
NPI 1538420641ActiveIndividual· Orthopaedic Surgery· Baltimore, MD
Orthopaedic Surgery (MD) in Baltimore, Maryland, trained at University of Maryland School of Medicine (class of 2009). 387 Medicare patients in 2024, $229,548 paid; all of their 114 Part D prescriptions were generic. Medical Device Business Services, Inc. was the largest of 3 companies reporting payments in 2025, $14,458 in all, mostly consulting fees.
Overview
| NPI | 1538420641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2012 |
| Last updated in NPPES | Jul 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | D85157 | MD |
| Orthopaedic Surgery, Orthopaedic Trauma | 207XX0801X | D85157 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (DC); Practitioner - Orthopedic Surgery (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 1,920 across 68 procedure codes |
| Paid by Medicare | $229,548 |
Part D prescriptions in 2024
| Prescriptions (claims) | 114 · 227 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $946.89 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Meritus Medical Center IncHagerstown, MD · 743 clinicians
- University of Maryland Community Medical Group IncEaston, MD · 477 clinicians
- University of Maryland Orthopaedic Associates PABaltimore, MD · 67 clinicians
- University of Maryland Orthopaedic Trauma Associates, P.A.Baltimore, MD · 41 clinicians
Hospital affiliations
- University of Maryland Medical CenterBaltimore, MD
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Industry payments (Open Payments)
- 2025$14,458 · 11 payments from 3 companies
- 2024$1,706 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $13,362 | 7 |
| Synthes Gmbh | $1,000 | 2 |
| Zimmer Biomet Holdings, Inc. | $95.30 | 2 |
What the 2025 payments were for
- Consulting Fee$12,100 · 1 payment
- Travel and Lodging$1,014 · 2 payments
- Compensation for serving as faculty or as a speaker for a medical education program$1,000 · 2 payments
- Food and Beverage$343.56 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other orthopedic surgeons in Baltimore
- 1013185867
- 1023436854
- 1073952859
- 1093982951
- 1114450236
- 1174816094
- 1194769380
- 1205899176
- 1205929213
- 1245251685
- 1265876569
- 1295228997
All 198 orthopedic surgeons in Baltimore · All orthopedic surgeons in Maryland