DR. MARGARET O'DRISCOLL CHAPMAN MD
NPI 1306084470
Pediatrics in New York, NY
About Dr. Margaret O'driscoll Chapman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET O'DRISCOLL CHAPMAN MD (NPI 1306084470) is an individual pediatrics provider in New York, New York, licensed in New York (207804) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Margaret O'driscoll Chapman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret 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 10017
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: One Medical Of Ny PC
- 139 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Margaret Chapman's NPI number?
The NPI number for Margaret Chapman is 1306084470. It was assigned to this individual provider in the NPPES registry on January 28, 2009. The provider is also known as Dr. Margaret Ann O'driscoll MD.
Where is Margaret Chapman located?
Margaret Chapman practices at 25 Hudson St, New York, NY 10013. The listed phone number is (212) 441-4401.
What is Margaret Chapman's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Margaret Chapman enrolled in Medicare?
Yes. Margaret Chapman is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Chapman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Chapman reassigns Medicare benefits to 2 organizations: One Medical Of Ny, P.C. (New York, NY) and Montefiore Medical Center (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 Margaret Chapman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Chapman was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Margaret O'driscoll Chapman, MD · NPI 1306084470
Pediatrics physician in New York, New York. Individual provider, active in the CMS NPPES registry since January 28, 2009.
## Identity
- **NPI:** 1306084470 (Entity type: Individual)
- **Enumerated:** January 28, 2009
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 207804 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 HUDSON ST, New York, NY 10013-3802
- **Phone:** (212) 441-4401 · **Fax:** (415) 252-7176
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): One Medical Of Ny, P.C. (NPI 1861709487, New York, NY); Montefiore Medical Center (NPI 1760288278, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** March 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1306084470) · Data from the CMS NPPES public registry.