Hans Gerdes, MD
NPI 1437121217ActiveIndividual· Internal Medicine, Gastroenterology· New York, NY
Internal Medicine, Gastroenterology (MD) in New York, New York, trained at Js Weill Medical College, Cornell University (class of 1983). 585 Medicare patients in 2024, $123,031 paid; nearly all of their 493 Part D prescriptions were generic (90%). Pinnacle Biologics, Inc reported $96.43 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1437121217 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 6, 2006 |
| Last updated in NPPES | Feb 24, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 159353 | 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 (NJ); Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 585 |
|---|---|
| Services billed | 950 across 61 procedure codes |
| Paid by Medicare | $123,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 493 · 752 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $58,113 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Msk MonmouthMiddletown, NJ · 295 clinicians
- Memorial Gastroenterology GroupNew York, NY · 24 clinicians
Industry payments (Open Payments)
- 2025$96.43 · 2 payments from 1 company
- 2024$67.35 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pinnacle Biologics, Inc | $96.43 | 2 |
What the 2025 payments were for
- Food and Beverage$96.43 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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