Dana B. Mather, FNP-C
NPI 1689794257ActiveIndividual· Nurse Practitioner, Family· Litchfield Park, AZ
Nurse Practitioner, Family (FNP-C) with Allergy and Immunology Specialists LLC, practicing in Litchfield Park, Arizona. Their prescriptions cost Medicare Part D more than their services did: $17,375 for 278 claims, against $6,085 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $2,190 in all, mostly food and beverage.
Overview
| NPI | 1689794257 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Mar 29, 2007 |
| Last updated in NPPES | Jun 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP2542 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 910 across 10 procedure codes |
| Paid by Medicare | $6,085 |
Part D prescriptions in 2024
| Prescriptions (claims) | 278 · 398 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $17,375 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Allergy and Immunology Specialists LLCLitchfield Park, AZ · 4 clinicians
Industry payments (Open Payments)
- 2025$2,190 · 148 payments from 19 companies
- 2024$1,879 · 113 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $367.79 | 48 |
| Csl Behring | $322.64 | 12 |
| Genzyme Corporation | $310.73 | 20 |
| Novartis Pharmaceuticals Corporation | $261.65 | 13 |
| Glaxosmithkline, LLC. | $242.92 | 21 |
What the 2025 payments were for
- Food and Beverage$2,174 · 147 payments
- Consulting Fee$16.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 family nurse practitioners in Litchfield Park · All family nurse practitioners in Arizona