Ryan Gary Master, MD
NPI 1235368390ActiveIndividual· Internal Medicine, Interventional Cardiology· Shreveport, LA
Internal Medicine, Interventional Cardiology (MD) in Shreveport, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,073,353 for 5,980 claims, against $138,092 paid for services in 2024. Philips North America LLC was the largest of 24 companies reporting payments in 2025, $4,978 in all, mostly food and beverage.
Overview
| NPI | 1235368390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2009 |
| Last updated in NPPES | Jul 8, 2021 |
| Certified by provider | Jul 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 303263 | LA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 303263 | LA |
| Internal Medicine, Interventional Cardiology | 207RI0011X | P6028 | TX |
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 - Cardiovascular Disease (Cardiology) (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 547 |
|---|---|
| Services billed | 1,972 across 87 procedure codes |
| Paid by Medicare | $138,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,980 · 12,925 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $1,073,353 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Interventional Cardiology |
Medical group
- Wk Pierremont CardiologyShreveport, LA · 27 clinicians
Hospital affiliations
- Desoto Regional Health SystemMansfield, LA
- Willis Knighton Medical CenterShreveport, LA
Industry payments (Open Payments)
- 2025$4,978 · 74 payments from 24 companies
- 2024$3,165 · 80 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Philips North America LLC | $1,991 | 10 |
| Aop Health US, LLC | $925.20 | 1 |
| Medtronic, Inc. | $440.94 | 8 |
| Abiomed | $255.28 | 7 |
| Boston Scientific Corporation | $223.11 | 5 |
What the 2025 payments were for
- Food and Beverage$3,312 · 69 payments
- Travel and Lodging$1,646 · 4 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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