G. Michael Lopez, M.D.
NPI 1003973397ActiveIndividual· Internal Medicine· Las Vegas, NM
Internal Medicine (M.D.) in Las Vegas, New Mexico, trained at Stanford University School of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $2,795,796 for 15,112 claims, against $149,250 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 11 companies reporting payments in 2025, $563.84 in all, mostly food and beverage.
Overview
| NPI | 1003973397 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 3, 2007 |
| Last updated in NPPES | Mar 5, 2025 |
| Certified by provider | Mar 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | NM81-77 | NM |
| Nurse Practitioner, Primary Care | 363LP2300X | CNP-01651 | NM |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 2,396 across 38 procedure codes |
| Paid by Medicare | $149,250 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,112 · 30,587 30-day fills |
|---|---|
| Patients | 722 |
| Total drug cost | $2,795,796 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Alta Vista Regional HospitalLas Vegas, NM
- Christus St Vincent Regional Medical CenterSanta Fe, NM
- Lovelace Women's HospitalAlbuquerque, NM
Other facilities
- Ambercare Home HealthHome health agency · Belen, NM
- Professional Home Health Care, Inc.Home health agency · Santa Fe, NM
- La Vida Buena HealthcareNursing home · Las Vegas, NM
Industry payments (Open Payments)
- 2025$563.84 · 27 payments from 11 companies
- 2024$408.46 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $173.48 | 5 |
| Merck Sharp & Dohme LLC | $81.99 | 5 |
| Novo Nordisk Inc | $62.82 | 4 |
| Astrazeneca Pharmaceuticals LP | $57.27 | 3 |
| Lilly USA, LLC | $40.26 | 2 |
What the 2025 payments were for
- Food and Beverage$563.84 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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