Douglas Newton Calhoun, M.D.
NPI 1770552937ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Knoxville, TN
Orthopaedic Surgery, Hand Surgery (M.D.) in Knoxville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1999). 553 Medicare patients in 2024, $192,753 paid; nearly all of their 473 Part D prescriptions were generic (99%). Endo USA, Inc. was the largest of 3 companies reporting payments in 2025, $89.19 in all, mostly food and beverage.
Overview
| NPI | 1770552937 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 17, 2006 |
| Last updated in NPPES | Jan 14, 2026 |
| Certified by provider | Jan 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | 35809 | TN |
| Orthopaedic Surgery | 207X00000X | MD35809 | 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 - Hand Surgery (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 553 |
|---|---|
| Services billed | 3,277 across 110 procedure codes |
| Paid by Medicare | $192,753 |
Part D prescriptions in 2024
| Prescriptions (claims) | 473 · 475 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $21,474 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Hand Surgery |
| Secondary specialties | Orthopedic Surgery |
Medical groups
- Champion Physical Therapy LLC HallsJohnson City, TN · 281 clinicians
- Orthotennessee PCKnoxville, TN · 153 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Fort Sanders Regional Medical CenterKnoxville, TN
- Parkwest Medical CenterKnoxville, TN
- Physicians Regional Medical CenterPowell, TN
Industry payments (Open Payments)
- 2025$89.19 · 5 payments from 3 companies
- 2024$17.31 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $39.07 | 2 |
| Abbott Laboratories | $31.22 | 2 |
| Vertex Pharmaceuticals Incorporated | $18.90 | 1 |
What the 2025 payments were for
- Food and Beverage$89.19 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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