Luis A. Guzman, M.D.
NPI 1285601948ActiveIndividual· Internal Medicine, Cardiovascular Disease· Winston Salem, NC
Internal Medicine, Cardiovascular Disease (M.D.) with Mary Washington Healthcare Providers LLC and 1 other group, practicing in Winston Salem, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $443,324 for 2,591 claims, against $85,698 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 19 companies reporting payments in 2025, $1,249 in all, mostly food and beverage. Lists Mary Washington Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1285601948 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | Aug 4, 2025 |
| Certified by provider | Aug 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 2020-00205 | NC |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | ME85888 | FL |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 2020-00205 | NC |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 0101258670 | VA |
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 (FL); Practitioner - Cardiovascular Disease (Cardiology) (NC); Practitioner - Interventional Cardiology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 496 |
|---|---|
| Services billed | 1,092 across 58 procedure codes |
| Paid by Medicare | $85,698 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,591 · 7,005 30-day fills |
|---|---|
| Patients | 422 |
| Total drug cost | $443,324 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical groups
- Mary Washington Healthcare Providers LLCMc Lean, VA · 262 clinicians
- Mary Washington Hospital IncFredericksburg, VA · 53 clinicians
Hospital affiliations
- Mary Washington HospitalFredericksburg, VA
- Stafford Hospital, LLCStafford, VA
Industry payments (Open Payments)
- 2025$1,249 · 51 payments from 19 companies
- 2024$1,178 · 41 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $418.55 | 15 |
| Scpharmaceuticals Inc. | $142.16 | 5 |
| Boston Scientific Corporation | $94.16 | 5 |
| Novo Nordisk Inc | $92.54 | 4 |
| Novartis Pharmaceuticals Corporation | $86.33 | 3 |
What the 2025 payments were for
- Food and Beverage$1,249 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 84 cardiologists in Winston Salem · All cardiologists in North Carolina