DR. CHRISTOPHER JOHN O'BRIEN
NPI 1952663353
Pediatrics in Poughkeepsie, NY
About Dr. Christopher John O'brien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER JOHN O'BRIEN (NPI 1952663353) is an individual pediatrics provider in Poughkeepsie, New York, licensed in New York (284460) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Christopher John O'brien is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Christopher O'brien reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Hawthorne, NY 10532
- Reassigned Medicare billing, New York enrollment
- 511 clinicians in this Medicare group
Mt Pleasant, SC 29464
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 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 12601 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POUGHKEEPSIE, NY 12601
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 O'brien's NPI number?
The NPI number for Christopher O'brien is 1952663353. It was assigned to this individual provider in the NPPES registry on June 12, 2012.
Where is Christopher O'brien located?
Christopher O'brien practices at 241 North Rd, Poughkeepsie, NY 12601. The listed phone number is (845) 483-5000.
What is Christopher O'brien's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Christopher O'brien enrolled in Medicare?
Yes. Christopher O'brien is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher O'brien reassigns Medicare benefits to 3 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Boston Children's Health Physicians, LLP (Hawthorne, NY) and University Medical Associates (Mt Pleasant, SC). 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 O'brien'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 Christopher O'brien was last updated on September 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.