Dianne B. Billger, CNP
NPI 1528244407ActiveIndividual· Nurse Practitioner, Adult Health· Tucson, AZ
Nurse Practitioner, Adult Health (CNP) in Tucson, Arizona, trained at State University of New York at Buffalo School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $107,066 for 237 claims, against $3,856 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $274.95 in all, mostly food and beverage.
Overview
| NPI | 1528244407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Jan 10, 2008 |
| Last updated in NPPES | Jun 5, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | AP7647 | 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 Practitioner - Nurse Practitioner (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 63 across 6 procedure codes |
| Paid by Medicare | $3,856 |
Part D prescriptions in 2024
| Prescriptions (claims) | 237 · 494 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $107,066 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Banner-University Medical GroupTucson, AZ · 1,072 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$274.95 · 2 payments from 2 companies
- 2024$244.13 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $149.97 | 1 |
| Abbvie Inc. | $124.98 | 1 |
What the 2025 payments were for
- Food and Beverage$274.95 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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