Mark A. Williams, MD
NPI 1033114988ActiveIndividual· Internal Medicine· Johnson City, TN
Internal Medicine (MD) in Johnson City, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $1,249,621 for 17,517 claims, against $180,834 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $582.43 in all, mostly food and beverage.
Overview
| NPI | 1033114988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | Feb 24, 2025 |
| Certified by provider | Feb 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 24923 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 7,570 across 111 procedure codes |
| Paid by Medicare | $180,834 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17,517 · 36,516 30-day fills |
|---|---|
| Patients | 820 |
| Total drug cost | $1,249,621 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
Medical group
- State of Franklin Healthcare Associates, PLLCJohnson City, TN · 249 clinicians
Hospital affiliations
- Johnson City Medical CenterJohnson City, TN
- Sycamore Shoals HospitalElizabethton, TN
- Wellmont Holston Valley Medical CenterKingsport, TN
Other facilities
- Amedisys Home HealthHome health agency · Johnson City, TN
- Amedisys Home Health CareHome health agency · Elizabethton, TN
Industry payments (Open Payments)
- 2025$582.43 · 38 payments from 9 companies
- 2024$191.92 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $140.17 | 12 |
| Lilly USA, LLC | $139.20 | 8 |
| Astrazeneca Pharmaceuticals LP | $111.60 | 6 |
| Glaxosmithkline, LLC. | $61.99 | 4 |
| Stryker Corporation | $37.59 | 2 |
What the 2025 payments were for
- Food and Beverage$582.43 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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