Alex J. Gershenhorn, MD
NPI 1437257797ActiveIndividual· Internal Medicine, Gastroenterology· Middletown, NY
Internal Medicine, Gastroenterology (MD) in Middletown, New York, trained at Ohio State University College of Medicine (class of 2000). In 2024 Medicare paid $257,312 for 741 patients, and Part D covered 1,209 of their prescriptions, 89% of them generic. Abbvie Inc. reported $45.87 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1437257797 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Aug 17, 2020 |
| Certified by provider | Aug 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 227291 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 741 |
|---|---|
| Services billed | 12,151 across 99 procedure codes |
| Paid by Medicare | $257,312 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,209 · 2,259 30-day fills |
|---|---|
| Patients | 288 |
| Total drug cost | $314,010 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Crystal Run Healthcare Physicians LLPMiddletown, NY · 362 clinicians
Hospital affiliation
- Garnet Health Medical CenterMiddletown, NY
Industry payments (Open Payments)
- 2025$45.87 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $45.87 | 2 |
What the 2025 payments were for
- Food and Beverage$45.87 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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