John A. Dorizas, M.D.
NPI 1144290834ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Chattanooga, TN
Orthopaedic Surgery, Sports Medicine (M.D.) in Chattanooga, Tennessee, trained at University of Alabama School of Medicine (class of 1999). 124 Medicare patients in 2024, $38,468 paid; all of their 130 Part D prescriptions were generic. Smith+nephew, Inc. was the largest of 3 companies reporting payments in 2025, $189.00 in all, mostly food and beverage.
Overview
| NPI | 1144290834 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Feb 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | 39362 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 4,844 across 28 procedure codes |
| Paid by Medicare | $38,468 |
Part D prescriptions in 2024
| Prescriptions (claims) | 130 · 151 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $1,436 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Erlanger HealthChattanooga, TN · 507 clinicians
Hospital affiliation
- Erlanger Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$189.00 · 3 payments from 3 companies
- 2024$133.41 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $124.84 | 1 |
| Djo, LLC | $45.88 | 1 |
| Smoky Mountain Surgical LLC | $18.28 | 1 |
What the 2025 payments were for
- Food and Beverage$189.00 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Orthopaedic Surgery, Sports Medicine providers in Chattanooga
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All Orthopaedic Surgery, Sports Medicine providers in Tennessee →