Diego C. Alvarado, PA-C
NPI 1003464892ActiveIndividual· Physician Assistant· Phoenix, AZ
Physician Assistant (PA-C) in Phoenix, Arizona, licensed in AZ, with an NPI issued in August 2019. Part D covered 1,039 prescriptions written in 2024, 88% of them generic. Pfizer Inc. was the largest of 18 companies reporting payments in 2025, $1,492 in all, mostly food and beverage.
Overview
| NPI | 1003464892 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Aug 27, 2019 |
| Last updated in NPPES | Aug 2, 2023 |
| Certified by provider | Aug 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 8833 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Order and Referring Only - Internal Medicine (AZ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,039 · 1,682 30-day fills |
|---|---|
| Patients | 456 |
| Total drug cost | $74,724 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$1,492 · 75 payments from 18 companies
- 2024$2,463 · 145 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $270.29 | 20 |
| Edwards Lifesciences Corporation | $223.31 | 2 |
| Abbvie Inc. | $209.61 | 14 |
| Astrazeneca Pharmaceuticals LP | $146.90 | 7 |
| Eisai Inc. | $104.68 | 4 |
What the 2025 payments were for
- Food and Beverage$1,492 · 75 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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