Nathan Ziegenbein, CRNP
NPI 1932572625ActiveIndividual· Nurse Practitioner, Acute Care· Cullman, AL
Nurse Practitioner, Acute Care (CRNP) with Cullman Regional Medical Group Hospitalists LLC and 1 other group, practicing in Cullman, Alabama. Their prescriptions cost Medicare Part D more than their services did: $235,602 for 3,444 claims, against $108,011 paid for services in 2024. Harmony Biosciences LLC was the largest of 16 companies reporting payments in 2025, $624.31 in all, mostly food and beverage. Lists Cullman Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1932572625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Nov 4, 2015 |
| Last updated in NPPES | Apr 8, 2025 |
| Certified by provider | Apr 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 1-094682 | AL |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 455 |
|---|---|
| Services billed | 4,628 across 86 procedure codes |
| Paid by Medicare | $108,011 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,444 · 7,032 30-day fills |
|---|---|
| Patients | 615 |
| Total drug cost | $235,602 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Cullman Regional Medical Group Hospitalists LLCCullman, AL · 33 clinicians
- Cullman Internal Medicine, PCCullman, AL · 28 clinicians
Hospital affiliation
- Cullman Regional Medical CenterCullman, AL
Industry payments (Open Payments)
- 2025$624.31 · 31 payments from 16 companies
- 2024$519.10 · 25 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harmony Biosciences LLC | $134.85 | 5 |
| Jazz Pharmaceuticals Inc. | $64.68 | 3 |
| Abbvie Inc. | $62.95 | 4 |
| Axsome Therapeutics, Inc. | $62.92 | 3 |
| Corcept Therapeutics | $42.96 | 2 |
What the 2025 payments were for
- Food and Beverage$624.31 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 acute care nurse practitioners in Cullman · All acute care nurse practitioners in Alabama