Adrian Enad Carreon, M.D.
NPI 1679598536ActiveIndividual· Internal Medicine· Atwater, CA
Internal Medicine (M.D.) with Provident Primary Care Inc, practicing in Atwater, California. Their prescriptions cost Medicare Part D more than their services did: $383,496 for 3,489 claims, against $76,569 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $354.98 in all, mostly food and beverage. Lists Mercy Medical Center as a hospital affiliation.
Overview
| NPI | 1679598536 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A54997 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 1,142 across 29 procedure codes |
| Paid by Medicare | $76,569 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,489 · 8,691 30-day fills |
|---|---|
| Patients | 273 |
| Total drug cost | $383,496 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Provident Primary Care IncMerced, CA · 10 clinicians
Hospital affiliation
- Mercy Medical CenterMerced, CA
Other facilities
- Compassionate Care Home Health Agency, LLCHome health agency · Fresno, CA
- Mercy Home CareHome health agency · Merced, CA
Industry payments (Open Payments)
- 2025$354.98 · 11 payments from 6 companies
- 2024$1,018 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $93.69 | 2 |
| Novo Nordisk Inc | $92.86 | 1 |
| Amgen Inc. | $71.58 | 3 |
| Astrazeneca Pharmaceuticals LP | $55.29 | 3 |
| Philips North America LLC | $21.96 | 1 |
What the 2025 payments were for
- Food and Beverage$354.98 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records