John Gaspar Agtuca, D.O.
NPI 1306200183ActiveIndividual· Internal Medicine· Riverside, CA
Internal Medicine (D.O.) in Riverside, California, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $422,459 for 4,055 claims, against $12,029 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $355.47 in all, mostly food and beverage.
Overview
| NPI | 1306200183 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 7, 2016 |
| Last updated in NPPES | Aug 17, 2023 |
| Certified by provider | Aug 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A16933 | 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 | 84 |
|---|---|
| Services billed | 196 across 19 procedure codes |
| Paid by Medicare | $12,029 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,055 · 9,103 30-day fills |
|---|---|
| Patients | 434 |
| Total drug cost | $422,459 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
Medical groups
- Citrus Valley Medical Associates IncCorona, CA · 14 clinicians
- Platinum Providers Medical Group IncRiverside, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$355.47 · 27 payments from 7 companies
- 2024$567.05 · 37 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $147.73 | 18 |
| Novo Nordisk Inc | $75.90 | 3 |
| Amgen Inc. | $42.53 | 2 |
| Glaxosmithkline, LLC. | $27.13 | 1 |
| Abbvie Inc. | $23.80 | 1 |
What the 2025 payments were for
- Food and Beverage$355.47 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 246 internal medicine physicians in Riverside · All internal medicine physicians in California