Paul B. Chapman, MD
NPI 1053354936ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (MD) in New York, New York, trained at State University of New York Downstate Medical Center (class of 1981). Mostly services rather than prescriptions: Medicare paid $221,004 for 27 patients in 2024, with only 26 Part D claims. Exelixis Inc. reported $47.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1053354936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | May 21, 2025 |
| Certified by provider | May 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 174210 | 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 4,352 across 14 procedure codes |
| Paid by Medicare | $221,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 38 30-day fills |
|---|---|
| Total drug cost | $170,339 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Weill Medical College of CornellNew York, NY · 2,051 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$47.96 · 1 payment from 1 company
- 2024$2,173 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $47.96 | 1 |
What the 2025 payments were for
- Food and Beverage$47.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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