Tonya Lynn Hill, M.D.
NPI 1851427983ActiveIndividual· Internal Medicine· Fredonia, KS
Internal Medicine (M.D.) with Theoria Medical and 1 other group, practicing in Fredonia, Kansas. Their prescriptions cost Medicare Part D more than their services did: $1,266,131 for 14,867 claims, against $30,756 paid for services in 2024. Vanda Pharmaceuticals Inc. was the largest of 9 companies reporting payments in 2025, $444.56 in all, mostly food and beverage. Lists Fredonia Regional Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1851427983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 25, 2007 |
| Last updated in NPPES | Feb 11, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 32194 | KS |
| Internal Medicine | 207R00000X | 25185 | OK |
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 (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 283 |
|---|---|
| Services billed | 754 across 30 procedure codes |
| Paid by Medicare | $30,756 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,867 · 21,296 30-day fills |
|---|---|
| Patients | 381 |
| Total drug cost | $1,266,131 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | General Practice |
Medical groups
- Theoria MedicalEast Moline, IL · 284 clinicians
- Fredonia Regional HospitalFredonia, KS · 9 clinicians
Hospital affiliations
- Fredonia Regional HospitalFredonia, KS
- Greenwood County HospitalEureka, KS
- Labette HealthParsons, KS
- Neosho Memorial Regional Medical CenterChanute, KS
- Wilson Medical CenterNeodesha, KS
Other facilities
- Home Town Health CareHome health agency · Fredonia, KS
- GentivaHospice · Parsons, KS
- Advena Living of CherryvaleNursing home · Cherryvale, KS
- Neodesha Care and RehabNursing home · Neodesha, KS
Industry payments (Open Payments)
- 2025$444.56 · 25 payments from 9 companies
- 2024$664.98 · 37 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $99.42 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $84.65 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $55.92 | 3 |
| Viatris Specialty LLC | $49.12 | 3 |
| Corcept Therapeutics | $48.18 | 3 |
What the 2025 payments were for
- Food and Beverage$444.56 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records