Joseph A. Horstman, MD
NPI 1720198195ActiveIndividual· Internal Medicine, Interventional Cardiology· Oklahoma City, OK
Internal Medicine, Interventional Cardiology (MD) in Oklahoma City, Oklahoma, trained at Baylor College of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $1,645,682 for 9,905 claims, against $243,988 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $730.39 in all, mostly food and beverage.
Overview
| NPI | 1720198195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Jun 6, 2022 |
| Certified by provider | Jun 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 29149 | OK |
| Internal Medicine | 207R00000X | ML20007971 | WA |
| Internal Medicine | 207R00000X | 29149 | OK |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 29149 | OK |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | 29149 | 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 - Interventional Cardiology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,873 |
|---|---|
| Services billed | 4,075 across 72 procedure codes |
| Paid by Medicare | $243,988 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,905 · 24,791 30-day fills |
|---|---|
| Patients | 1,211 |
| Total drug cost | $1,645,682 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine, Nuclear Medicine |
Medical groups
- Ohh Physicians LLCOklahoma City, OK · 133 clinicians
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · 37 clinicians
- Mercy Hospital Ardmore IncArdmore, OK · 13 clinicians
Hospital affiliations
- Mercy Hospital Ardmore, IncArdmore, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- Oklahoma Heart Hospital, LLCOklahoma City, OK
- Ssm Health St Anthony Hospital - Oklahoma CityOklahoma City, OK
- Stillwater Medical CenterStillwater, OK
Industry payments (Open Payments)
- 2025$730.39 · 37 payments from 10 companies
- 2024$1,046 · 66 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $213.68 | 10 |
| Merck Sharp & Dohme LLC | $148.60 | 8 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $85.94 | 4 |
| Pfizer Inc. | $65.49 | 3 |
| Astrazeneca Pharmaceuticals LP | $64.37 | 4 |
What the 2025 payments were for
- Food and Beverage$719.54 · 36 payments
- Education$10.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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