Alberto Unzueta, MD
NPI 1558521831ActiveIndividual· Internal Medicine, Gastroenterology· Danville, PA
Internal Medicine, Gastroenterology (MD) with Geisinger Clinic and 1 other group, practicing in Danville, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $105,760 for 264 claims, against $29,871 paid for services in 2024. Madrigal Pharmaceuticals reported $255.15 in payments in 2025, mostly food and beverage. Lists Geisinger Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1558521831 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2008 |
| Last updated in NPPES | Jun 19, 2020 |
| Certified by provider | Jun 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD434930 | PA |
| Internal Medicine | 207R00000X | MD434930 | PA |
| Hospitalist | 208M00000X | 45426 | 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 - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 396 across 28 procedure codes |
| Paid by Medicare | $29,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 506 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $105,760 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Geisinger ClinicDanville, PA · 3,467 clinicians
- Geisinger-Hm Joint Venture LLCMontoursville, PA · 422 clinicians
Hospital affiliations
- Geisinger Medical CenterDanville, PA
- Geisinger Wyoming Valley Medical CenterWilkes Barre, PA
- Geisinger-Bloomsburg HospitalBloomsburg, PA
Industry payments (Open Payments)
- 2025$255.15 · 2 payments from 1 company
- 2024$45.39 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $255.15 | 2 |
What the 2025 payments were for
- Food and Beverage$255.15 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 gastroenterologists in Danville · All gastroenterologists in Pennsylvania