DR. PAUL B CHAPMAN MD
NPI 1053354936
Internal Medicine - Medical Oncology in New York, NY
About Dr. Paul B Chapman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL B CHAPMAN MD (NPI 1053354936) is an individual medical oncology provider in New York, New York, licensed in New York (174210) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of State University Of New York Downstate Medical Center (1981).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Paul B Chapman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Paul Chapman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 68 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 514 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10021
NEW YORK, NY 10021
NEW YORK, NY 10021
NEW YORK, NY 10021
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Paul Chapman's NPI number?
The NPI number for Paul Chapman is 1053354936. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Paul Chapman located?
Paul Chapman practices at 1305 York Ave Fl 12, New York, NY 10021. The listed phone number is (646) 962-6444.
What is Paul Chapman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Paul Chapman enrolled in Medicare?
Yes. Paul Chapman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Paul Chapman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Chapman reassigns Medicare benefits to 2 organizations: Weill Medical College Of Cornell (New York, NY) and Memorial Solid Tumor Group (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Paul Chapman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Paul Chapman affiliated with any hospitals?
According to CMS data, Paul Chapman is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Paul Chapman was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Paul B Chapman, MD · NPI 1053354936
Medical Oncology physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 14, 2006.
## Identity
- **NPI:** 1053354936 (Entity type: Individual)
- **Enumerated:** June 14, 2006
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 174210 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1305 YORK AVE FL 12, New York, NY 10021-5663
- **Phone:** (646) 962-6444
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1881604866, New York, NY); Memorial Solid Tumor Group (NPI 1699746172, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1981
## Record status
- **NPPES last updated:** May 21, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1053354936) · Data from the CMS NPPES public registry.