Cynthia Dawn Diaz, FNP-C
NPI 1679128466ActiveIndividual· Nurse Practitioner, Family· San Manuel, AZ
Nurse Practitioner, Family (FNP-C) in San Manuel, Arizona, licensed in AZ, with an NPI issued in August 2019. Their prescriptions cost Medicare Part D more than their services did: $382,248 for 4,152 claims, against $27,005 paid for services in 2024. Abbvie Inc. reported $121.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679128466 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | Yes |
| NPI issued | Aug 7, 2019 |
| Last updated in NPPES | Jan 8, 2021 |
| Certified by provider | Jan 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 230536 | AZ |
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 - Nurse Practitioner (AZ) |
|---|---|
| Opt-out | Past opt-out Jan 1, 2027 – Jan 1, 2029 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 665 across 24 procedure codes |
| Paid by Medicare | $27,005 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,152 · 8,984 30-day fills |
|---|---|
| Patients | 390 |
| Total drug cost | $382,248 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Other facilities
- Bayada Home Health Care, IncHome health agency · Tucson, AZ
Industry payments (Open Payments)
- 2025$121.05 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $121.05 | 3 |
What the 2025 payments were for
- Food and Beverage$121.05 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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