DR. BRIAN KEVIN O'CONNOR M.D.
NPI 1275647216
Pediatrics - Pediatric Cardiology in West Orange, NJ
About Dr. Brian Kevin O'connor M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN KEVIN O'CONNOR M.D. (NPI 1275647216) is an individual pediatric cardiology provider in West Orange, New Jersey, licensed in New Jersey (25MA07011500) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Brian Kevin O'connor M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Brian O'connor reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 clinicians in this Medicare group
Elmwood Park, NJ 07407
- Reassigned Medicare billing, New Jersey enrollment
- 4 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.
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.
WEST ORANGE, NJ 07052
WEST ORANGE, NJ 07052
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 Brian O'connor's NPI number?
The NPI number for Brian O'connor is 1275647216. It was assigned to this individual provider in the NPPES registry on August 18, 2006.
Where is Brian O'connor located?
Brian O'connor practices at 375 Mount Pleasant Ave, West Orange, NJ 07052. The listed phone number is (973) 731-9442.
What is Brian O'connor's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Brian O'connor enrolled in Medicare?
Yes. Brian O'connor is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Brian O'connor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian O'connor reassigns Medicare benefits to 4 organizations: Rwjbh Observation Associates LLC (Livingston, NJ), Barnabas Health Medical Group PC (Elizabeth, NJ), Pediatric Cardiology Associates PC (Elmwood Park, NJ) 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 Brian O'connor'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 Brian O'connor was last updated on April 30, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. Brian Kevin O'connor, M.D. · NPI 1275647216
Pediatric Cardiology physician in West Orange, New Jersey. Individual provider, active in the CMS NPPES registry since August 18, 2006.
## Identity
- **NPI:** 1275647216 (Entity type: Individual)
- **Enumerated:** August 18, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 25MA07011500 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 375 MOUNT PLEASANT AVE, West Orange, NJ 07052-2724
- **Phone:** (973) 731-9442 · **Fax:** (973) 731-2918
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Barnabas Health Medical Group PC (NPI 1841557246, Elizabeth, NJ); Pediatric Cardiology Associates PC (NPI 1295873255, Elmwood Park, NJ); Montefiore Medical Center (NPI 1760288278, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 30, 2009
- **Other identifiers:** Medicare UPIN E95646 (NJ); Medicaid 6617000 (NJ); Medicare ID-Type Unspecified 036935MX4 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1275647216) · Data from the CMS NPPES public registry.