William Caswell Arnold, MD
NPI 1720407018ActiveIndividual· Internal Medicine· West Liberty, KY
Internal Medicine (MD) in West Liberty, Kentucky, trained at University of Kentucky College of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $444,718 for 344 claims, against $24,672 paid for services in 2024. Jazz Pharmaceuticals Inc. was the largest of 4 companies reporting payments in 2025, $661.29 in all, mostly food and beverage.
Overview
| NPI | 1720407018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2014 |
| Last updated in NPPES | Jul 30, 2026 |
| Certified by provider | Jul 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 51794 | KY |
| Internal Medicine, Sleep Medicine | 207RS0012X | 51794 | KY |
| Hospitalist | 208M00000X | 51794 | KY |
| Emergency Medicine | 207P00000X | 51794 | 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 - Internal Medicine (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 226 |
|---|---|
| Services billed | 350 across 19 procedure codes |
| Paid by Medicare | $24,672 |
Part D prescriptions in 2024
| Prescriptions (claims) | 344 · 422 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $444,718 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Sleep Medicine |
Medical group
- Southeastern Emergency Physicians LLCNewport, TN · 784 clinicians
Hospital affiliations
- Chi Saint Joseph Berea NfBerea, KY
- Georgetown Community HospitalGeorgetown, KY
- Saint Joseph EastLexington, KY
Industry payments (Open Payments)
- 2025$661.29 · 27 payments from 4 companies
- 2024$238.69 · 11 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $468.75 | 17 |
| Harmony Biosciences LLC | $111.10 | 6 |
| Lilly USA, LLC | $55.97 | 3 |
| Teleflex LLC | $25.47 | 1 |
What the 2025 payments were for
- Food and Beverage$411.30 · 25 payments
- Consulting Fee$150.00 · 1 payment
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in West Liberty
- 1730342213