Matthew D. Ashmun, M.D.
NPI 1912948225ActiveIndividual· Internal Medicine, Gastroenterology· Lexington, KY
Internal Medicine, Gastroenterology (M.D.) in Lexington, Kentucky, trained at University of Kentucky College of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $862,485 for 2,399 claims, against $118,785 paid for services in 2024. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $3,603 in all, mostly food and beverage.
Overview
| NPI | 1912948225 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Jul 17, 2026 |
| Certified by provider | Jul 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 41087 | KY |
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 - Gastroenterology (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 539 |
|---|---|
| Services billed | 1,868 across 29 procedure codes |
| Paid by Medicare | $118,785 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,399 · 3,744 30-day fills |
|---|---|
| Patients | 954 |
| Total drug cost | $862,485 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- New Lexington Clinic PSCLexington, KY · 332 clinicians
Hospital affiliation
- Saint Joseph HospitalLexington, KY
Industry payments (Open Payments)
- 2025$3,603 · 177 payments from 22 companies
- 2024$3,042 · 165 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $760.87 | 35 |
| Janssen Biotech, Inc. | $413.58 | 28 |
| Phathom Pharmaceuticals, Inc. | $366.70 | 16 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $258.61 | 16 |
| Gilead Sciences, Inc. | $234.18 | 10 |
What the 2025 payments were for
- Food and Beverage$3,603 · 177 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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