Deborah L. Hillman, M.D.
NPI 1134172927ActiveIndividual· Internal Medicine, Gastroenterology· Mount Kisco, NY
Internal Medicine, Gastroenterology (M.D.) in Mount Kisco, New York, trained at New York University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $660,074 for 343 claims, against $173,719 paid for services in 2024.
Overview
| NPI | 1134172927 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Nov 11, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 218815 | NY |
| Specialist | 174400000X | 218815 | 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 | 237 |
|---|---|
| Services billed | 5,501 across 57 procedure codes |
| Paid by Medicare | $173,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 343 · 564 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $660,074 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical group
- Optum Medical Care PCPoughkeepsie, NY · 1,010 clinicians
Hospital affiliation
- Northern Westchester HospitalMount Kisco, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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