John Clayton Clohisy Jr., MD
NPI 1285164319ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Saint Louis, MO
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (MD) in Saint Louis, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 2017). 176 Medicare patients in 2024, $95,090 paid; nearly all of their 195 Part D prescriptions were generic (99%). Globus Medical, Inc. was the largest of 6 companies reporting payments in 2025, $8,718 in all, mostly consulting fees.
Overview
| NPI | 1285164319 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 12, 2017 |
| Last updated in NPPES | Mar 17, 2026 |
| Certified by provider | Jul 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | 2023014781 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 422 across 49 procedure codes |
| Paid by Medicare | $95,090 |
Part D prescriptions in 2024
| Prescriptions (claims) | 195 · 200 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $1,323 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- Progress West HospitalOfallon, MO
Other facilities
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$8,718 · 18 payments from 6 companies
- 2024$2,740 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Globus Medical, Inc. | $7,358 | 8 |
| Alphatec Spine, Inc | $777.58 | 2 |
| Medtronic, Inc. | $288.87 | 3 |
| Cerapedics Inc. | $120.75 | 1 |
| Degen Medical, Inc. | $114.84 | 1 |
What the 2025 payments were for
- Consulting Fee$6,500 · 3 payments
- Travel and Lodging$1,409 · 5 payments
- Food and Beverage$808.63 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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