Richard Dennis Guynes, MD
NPI 1770526568ActiveIndividual· Internal Medicine, Interventional Cardiology· Jackson, MS
Internal Medicine, Interventional Cardiology (MD) in Jackson, Mississippi, trained at University of Mississippi School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,192,143 for 6,892 claims, against $666,197 paid for services in 2024. Abiomed was the largest of 20 companies reporting payments in 2025, $3,171 in all, mostly food and beverage.
Overview
| NPI | 1770526568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 13, 2006 |
| Last updated in NPPES | Mar 4, 2025 |
| Certified by provider | Mar 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 13176 | MS |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 13176 | MS |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,129 |
|---|---|
| Services billed | 19,490 across 72 procedure codes |
| Paid by Medicare | $666,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,892 · 13,584 30-day fills |
|---|---|
| Patients | 940 |
| Total drug cost | $1,192,143 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- St. Dominic Jackson MemorialJackson, MS · 58 clinicians
- Jackson Heart Clinic. P.A.Jackson, MS · 42 clinicians
Hospital affiliations
- Greenwood Leflore HospitalGreenwood, MS
- King's Daughters Medical Center-BrookhavenBrookhaven, MS
- Mississippi Methodist Rehab CtrJackson, MS
- Southwest Ms Regional Medical CenterMcComb, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
Industry payments (Open Payments)
- 2025$3,171 · 124 payments from 20 companies
- 2024$2,483 · 102 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $578.88 | 15 |
| Boston Scientific Corporation | $489.23 | 17 |
| Astrazeneca Pharmaceuticals LP | $380.14 | 17 |
| Novartis Pharmaceuticals Corporation | $376.83 | 23 |
| Merck Sharp & Dohme LLC | $247.27 | 11 |
What the 2025 payments were for
- Food and Beverage$3,171 · 124 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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