DR. CHRISTOPHER RYAN CHAPMAN MD
NPI 1720620149
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Brooklyn, NY
About Dr. Christopher Ryan Chapman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER RYAN CHAPMAN MD (NPI 1720620149) is an individual pediatric orthopaedic surgery provider in Brooklyn, New York, licensed in New York (300335) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Christopher Ryan Chapman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Christopher Chapman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11203
- Reassigned Medicare billing, New York enrollment
- 291 clinicians in this Medicare group
Staten Island, NY 10310
- Reassigned Medicare billing, New York enrollment
- 305 clinicians in this Medicare group
Spokane Valley, WA 99037
- Reassigned Medicare billing, Washington enrollment
- 4,383 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.
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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11203
BROOKLYN, NY 11203
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 Christopher Chapman's NPI number?
The NPI number for Christopher Chapman is 1720620149. It was assigned to this individual provider in the NPPES registry on October 17, 2019.
Where is Christopher Chapman located?
Christopher Chapman practices at 450 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 270-1000.
What is Christopher Chapman's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.
Is Christopher Chapman enrolled in Medicare?
Yes. Christopher Chapman is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher Chapman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Chapman reassigns Medicare benefits to 3 organizations: University Physicians Of Brooklyn, Inc (Brooklyn, NY), Amboy Medical Practice PC (Staten Island, NY) and Multicare Health System (Spokane Valley, WA). 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 Christopher Chapman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Chapman accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Christopher Chapman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Christopher Chapman was last updated on July 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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. Christopher Ryan Chapman, MD · NPI 1720620149
Pediatric Orthopaedic Surgery physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since October 17, 2019.
## Identity
- **NPI:** 1720620149 (Entity type: Individual)
- **Enumerated:** October 17, 2019
- **Primary specialty:** Orthopaedic Surgery - Pediatric Orthopaedic Surgery · taxonomy 207XP3100X
- **State license:** 300335 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 450 CLARKSON AVE, Brooklyn, NY 11203-2012
- **Phone:** (718) 270-1000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Physicians Of Brooklyn, Inc (NPI 1104878180, Brooklyn, NY); Amboy Medical Practice PC (NPI 1104692672, Staten Island, NY); Multicare Health System (NPI 1336902345, Spokane Valley, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1720620149) · Data from the CMS NPPES public registry.