COURTNEY JILL BRESLIN NP
NPI 1649727603
Nurse Practitioner - Adult Health in Westbury, NY
About Courtney Jill Breslin Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY JILL BRESLIN NP (NPI 1649727603) is an individual adult health provider in Westbury, New York, licensed in New York (30-307931) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
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 and accepts Medicare assignment
Courtney Jill Breslin Np 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 Reassignments
2Medicare enrollment records show Courtney Breslin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westbury, NY 11590
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mayer J Saad MD PC
- 43 clinicians in this Medicare group
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 125 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 11590 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.
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 Courtney Breslin's NPI number?
The NPI number for Courtney Breslin is 1649727603. It was assigned to this individual provider in the NPPES registry on September 7, 2016. The provider is also known as Courtney Jill Haggerty Np.
Where is Courtney Breslin located?
Courtney Breslin practices at 372 Post Ave, Westbury, NY 11590. The listed phone number is (516) 333-1444.
What is Courtney Breslin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Courtney Breslin enrolled in Medicare?
Yes. Courtney Breslin 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 organizations bill Medicare for Courtney Breslin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Breslin reassigns Medicare benefits to 2 organizations: Mayer J. Saad MD P.C. (Westbury, NY) and University Associates In Obstetrics & Gynecology, University Faculty P (Stony Brook, 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 Courtney Breslin'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 Courtney Breslin was last updated on March 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Courtney Jill Breslin, NP · NPI 1649727603
Adult Health physician in Westbury, New York. Individual provider, active in the CMS NPPES registry since September 7, 2016.
## Identity
- **NPI:** 1649727603 (Entity type: Individual)
- **Enumerated:** September 7, 2016
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 30-307931 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 372 POST AVE, Westbury, NY 11590-2201
- **Phone:** (516) 333-1444 · **Fax:** (516) 333-2725
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Mayer J. Saad MD P.C. (NPI 1033468509, Westbury, NY); University Associates In Obstetrics & Gynecology, University Faculty P (NPI 1538114723, Stony Brook, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 4, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1649727603) · Data from the CMS NPPES public registry.