THOMAS JOHN BREEN MD
NPI 1972090868
Internal Medicine - Cardiovascular Disease in Eatontown, NJ
About Thomas John Breen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS JOHN BREEN MD (NPI 1972090868) is an individual cardiovascular disease provider in Eatontown, New Jersey, licensed in New Jersey (25MA12570800) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Riverview Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Thomas John Breen 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 Reassignment
Medicare enrollment records show Thomas Breen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Eatontown, NJ 07724
- Reassigned Medicare billing, New Jersey enrollment
- 39 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverview Medical Center
Acute Care Hospitals · Red Bank, NJOcean Medical Center
Acute Care Hospitals · Brick, NJJersey Shore University Medical Center
Acute Care Hospitals · Neptune, NJCentrastate Medical Center
Acute Care Hospitals · Freehold, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07724 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.
EATONTOWN, NJ 07724
EATONTOWN, NJ 07724
EATONTOWN, NJ 07724
EATONTOWN, NJ 07724
EATONTOWN, NJ 07724
EATONTOWN, NJ 07724
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 Thomas Breen's NPI number?
The NPI number for Thomas Breen is 1972090868. It was assigned to this individual provider in the NPPES registry on April 17, 2018.
Where is Thomas Breen located?
Thomas Breen practices at 11 Meridian Rd, Eatontown, NJ 07724. The listed phone number is (732) 663-0300.
What is Thomas Breen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Thomas Breen enrolled in Medicare?
Yes. Thomas Breen 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 organization bills Medicare for Thomas Breen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Breen reassigns Medicare benefits to Monmouth Cardiology Associates, LLC (Eatontown, NJ). The 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 Thomas Breen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Breen affiliated with any hospitals?
According to CMS data, Thomas Breen is affiliated with Riverview Medical Center, Ocean Medical Center, Jersey Shore University Medical Center and Centrastate Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Breen was last updated on April 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.