William N. Segal, MD
NPI 1881694974ActiveIndividual· Internal Medicine, Gastroenterology· Princeton, NJ
Internal Medicine, Gastroenterology (MD) with Clinical Health Care Associates of New Jersey PC, practicing in Princeton, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $288,824 for 916 claims, against $82,116 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $360.14 in all, mostly food and beverage. Lists Hospital of Univ of Pennsylvania and 1 other hospital as hospital affiliations.
Overview
| NPI | 1881694974 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 29, 2005 |
| Last updated in NPPES | Dec 11, 2019 |
| Certified by provider | Dec 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA06364000 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 406 |
|---|---|
| Services billed | 881 across 27 procedure codes |
| Paid by Medicare | $82,116 |
Part D prescriptions in 2024
| Prescriptions (claims) | 916 · 2,327 30-day fills |
|---|---|
| Patients | 270 |
| Total drug cost | $288,824 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Clinical Health Care Associates of New Jersey PCWoodbury, NJ · 797 clinicians
Hospital affiliations
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Industry payments (Open Payments)
- 2025$360.14 · 16 payments from 10 companies
- 2024$523.47 · 27 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $101.49 | 6 |
| Janssen Biotech, Inc. | $97.82 | 1 |
| Madrigal Pharmaceuticals | $36.66 | 2 |
| Ardelyx, Inc. | $23.12 | 1 |
| Lilly USA, LLC | $19.97 | 1 |
What the 2025 payments were for
- Food and Beverage$360.14 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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