Mark Daniel McAfee, APRN
NPI 1487410122ActiveIndividual· Nurse Practitioner· Knoxville, TN
Nurse Practitioner (APRN) with Gastrointestinal Associates PC, practicing in Knoxville, Tennessee. In 2024 Medicare paid $23,301 for 198 patients, and Part D covered 200 of their prescriptions, 86% of them generic. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,339 in all, mostly food and beverage. Lists Cumberland Medical Center as a hospital affiliation.
Overview
| NPI | 1487410122 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | Yes |
| NPI issued | Feb 21, 2024 |
| Last updated in NPPES | Mar 1, 2024 |
| Certified by provider | Mar 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 35680 | 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 - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 198 |
|---|---|
| Services billed | 285 across 8 procedure codes |
| Paid by Medicare | $23,301 |
Part D prescriptions in 2024
| Prescriptions (claims) | 200 · 398 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $21,764 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gastrointestinal Associates PCKnoxville, TN · 33 clinicians
Hospital affiliation
- Cumberland Medical CenterCrossville, TN
Industry payments (Open Payments)
- 2025$1,339 · 73 payments from 13 companies
- 2024$1,394 · 69 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $246.86 | 21 |
| Aimmune Therapeutics, Inc. | $229.75 | 9 |
| Celltrion USA Inc. | $166.19 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $137.56 | 9 |
| Ardelyx, Inc. | $103.10 | 4 |
What the 2025 payments were for
- Food and Beverage$1,339 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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