Jack W. Casas, M.D.
NPI 1194836684ActiveIndividual· Internal Medicine, Interventional Cardiology· Muskogee, OK
Internal Medicine, Interventional Cardiology (M.D.) in Muskogee, Oklahoma, trained at University of California, Davis School of Medicine (class of 1983). In 2024 Medicare paid $130,605 for 1,488 patients, and Part D covered 76 of their prescriptions, 86% of them generic. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $1,975 in all, mostly travel and lodging.
Overview
| NPI | 1194836684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Sep 24, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 26082 | OK |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 23898 | WV |
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 - Interventional Cardiology (OK); Practitioner - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,488 |
|---|---|
| Services billed | 3,170 across 87 procedure codes |
| Paid by Medicare | $130,605 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 165 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $14,305 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Cherokee NationTahlequah, OK · 449 clinicians
- Northeastern Health SystemTahlequah, OK · 103 clinicians
Hospital affiliations
- Ascension St John Medical CenterTulsa, OK
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Northeastern Health SystemTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$1,975 · 26 payments from 4 companies
- 2024$438.65 · 19 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,819 | 20 |
| Abiomed | $93.76 | 3 |
| Philips North America LLC | $38.15 | 2 |
| Abbott Laboratories | $24.85 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,210 · 8 payments
- Food and Beverage$765.22 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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