Nathaniel Vanhorn
NPI 1770160830ActiveIndividual· Internal Medicine, Critical Care Medicine· Mobile, AL
Internal Medicine, Critical Care Medicine in Mobile, Alabama, licensed in AL, with an NPI issued in March 2021. Their prescriptions cost Medicare Part D more than their services did: $36,910 for 220 claims, against $6,033 paid for services in 2024. Actelion Pharmaceuticals US, Inc. was the largest of 7 companies reporting payments in 2025, $495.38 in all, mostly food and beverage.
Overview
| NPI | 1770160830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 25, 2021 |
| Last updated in NPPES | Jul 14, 2025 |
| Certified by provider | Jul 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 45360 | AL |
| Internal Medicine | 207R00000X | L.5469 | AL |
| Internal Medicine | 207R00000X | MD.45360 | AL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 84 across 18 procedure codes |
| Paid by Medicare | $6,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 220 · 508 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $36,910 |
| Generic share | 82% of claims |
Industry payments (Open Payments)
- 2025$495.38 · 18 payments from 7 companies
- 2024$162.62 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $207.30 | 6 |
| United Therapeutics Corporation | $114.91 | 4 |
| Merck Sharp & Dohme LLC | $62.38 | 3 |
| Regeneron Healthcare Solutions, Inc. | $46.14 | 2 |
| Astrazeneca Pharmaceuticals LP | $28.82 | 1 |
What the 2025 payments were for
- Food and Beverage$405.39 · 17 payments
- Education$89.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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