Marc A. Aiken, MD
NPI 1558327395ActiveIndividual· Orthopaedic Surgery· Johnson City, TN
Orthopaedic Surgery (MD) in Johnson City, Tennessee, trained at University of Mississippi School of Medicine (class of 1983). 195 Medicare patients in 2024, $63,659 paid; all of their 820 Part D prescriptions were generic. Synthes Gmbh was the largest of 4 companies reporting payments in 2025, $4,715 in all, mostly travel and lodging.
Overview
| NPI | 1558327395 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 21, 2006 |
| Last updated in NPPES | Dec 16, 2019 |
| Certified by provider | Dec 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 18545 | TN |
| Orthopaedic Surgery, Orthopaedic Trauma | 207XX0801X | MD0000018545 | 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 | 195 |
|---|---|
| Services billed | 1,014 across 53 procedure codes |
| Paid by Medicare | $63,659 |
Part D prescriptions in 2024
| Prescriptions (claims) | 820 · 987 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $5,890 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Watauga Orthopaedics PLCJohnson City, TN · 85 clinicians
Industry payments (Open Payments)
- 2025$4,715 · 9 payments from 4 companies
- 2024$3,389 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Synthes Gmbh | $4,447 | 4 |
| Zimmer Biomet Holdings, Inc. | $126.41 | 1 |
| Heron Therapeutics, Inc. | $104.02 | 2 |
| Abbott Laboratories | $37.79 | 2 |
What the 2025 payments were for
- Travel and Lodging$2,947 · 3 payments
- Compensation for serving as faculty or as a speaker for a medical education program$1,500 · 1 payment
- Food and Beverage$268.22 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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