Peter Shay Johnston, MD
NPI 1194946095ActiveIndividual· Orthopaedic Surgery· Leonardtown, MD
Orthopaedic Surgery (MD) in Leonardtown, Maryland, trained at Wayne State University School of Medicine (class of 2005). 975 Medicare patients in 2024, $260,666 paid; all of their 64 Part D prescriptions were generic. Shoulder Innovations, Inc. was the largest of 4 companies reporting payments in 2025, $260,621 in all, mostly royalties and licenses.
Overview
| NPI | 1194946095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 1, 2007 |
| Last updated in NPPES | May 9, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | D0072342 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 975 |
|---|---|
| Services billed | 3,767 across 64 procedure codes |
| Paid by Medicare | $260,666 |
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 67 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $434.28 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Centers for Advanced Orthopaedics LLCCatonsville, MD · 604 clinicians
Hospital affiliation
- Medstar Saint Mary's HospitalLeonardtown, MD
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$260,621 · 45 payments from 4 companies
- 2024$216,586 · 29 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shoulder Innovations, Inc. | $260,236 | 41 |
| Stryker Corporation | $344.09 | 2 |
| Pacira Pharmaceuticals Incorporated | $26.67 | 1 |
| Amgen Inc. | $14.56 | 1 |
What the 2025 payments were for
- Royalty or License$141,887 · 4 payments
- Consulting Fee$107,750 · 7 payments
- Travel and Lodging$7,434 · 8 payments
- Food and Beverage$2,824 · 21 payments
- Gift$725.12 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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