Marcia Victoria Williams-Lyons, D.O.
NPI 1043400526ActiveIndividual· Specialist· Knoxville, TN
Specialist (D.O.) in Knoxville, Tennessee, trained at Rowan University School of Osteopathic Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $282,896 for 1,653 claims, against $146,170 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 6 companies reporting payments in 2025, $161.95 in all, mostly food and beverage.
Overview
| NPI | 1043400526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 31, 2007 |
| Last updated in NPPES | Sep 1, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 2053 | 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 - Nephrology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 1,596 across 24 procedure codes |
| Paid by Medicare | $146,170 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,653 · 2,964 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $282,896 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Rowan University School of Osteopathic Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Renal Medical Associates PCPowell, TN · 7 clinicians
Hospital affiliations
- Claiborne Medical CenterTazewell, TN
- Lafollette Medical CenterLa Follette, TN
- Parkwest Medical CenterKnoxville, TN
- Physicians Regional Medical CenterPowell, TN
- Tennova Healthcare - Newport Medical CenterNewport, TN
Other facilities
- Davita Campbell Station DialysisDialysis facility · Farragut, TN
- Fkc CaryvilleDialysis facility · Caryville, TN
- Fmc New MarketDialysis facility · New Market, TN
- Fmc PowellDialysis facility · Knoxville, TN
- Fmc West KnoxvilleDialysis facility · Knoxville, TN
Industry payments (Open Payments)
- 2025$161.95 · 10 payments from 6 companies
- 2024$307.06 · 17 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $35.52 | 2 |
| Novo Nordisk Inc | $32.27 | 1 |
| Akebia Therapeutics Inc | $27.42 | 1 |
| Mallinckrodt Hospital Products Inc. | $26.37 | 1 |
| Travere Therapeutics, Inc. | $23.99 | 4 |
What the 2025 payments were for
- Food and Beverage$123.98 · 6 payments
- Education$37.97 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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