Maria Guadalupe Diosdado, NP
NPI 1700628385ActiveIndividual· Nurse Practitioner, Family· Fullerton, CA
Nurse Practitioner, Family (NP) with Providence Medical Foundation, practicing in Fullerton, California. Part D covered 161 prescriptions written in 2024, 88% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 29 companies reporting payments in 2025, $2,585 in all, mostly food and beverage. Lists Providence St. Jude Medical Center as a hospital affiliation.
Overview
| NPI | 1700628385 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jun 12, 2024 |
| Last updated in NPPES | Jul 29, 2024 |
| Certified by provider | Jul 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95030067 | CA |
| Registered Nurse | 163W00000X | 1151509 | TX |
| Nurse Practitioner | 363L00000X | 1151509 | TX |
| Registered Nurse | 163W00000X | 95187676 | CA |
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 Practitioner - Nurse Practitioner (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 286 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $292,254 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$2,585 · 67 payments from 29 companies
- 2024$1,108 · 41 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $282.11 | 3 |
| Gilead Sciences, Inc. | $235.98 | 4 |
| Astrazeneca Pharmaceuticals LP | $225.34 | 4 |
| Merck Sharp & Dohme LLC | $192.32 | 8 |
| Janssen Biotech, Inc. | $182.97 | 3 |
What the 2025 payments were for
- Food and Beverage$2,411 · 65 payments
- Education$174.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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