ERIN O'MAHONEY NP
NPI 1023615341
Nurse Practitioner - Pediatrics in Huntington, NY
About Erin O'mahoney Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN O'MAHONEY NP (NPI 1023615341) is an individual pediatrics provider in Huntington, New York, licensed in New York (383163) and active in the NPI registry since October 2020. She 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)
Erin O'mahoney Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Erin O'mahoney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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 11743 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 Erin O'mahoney's NPI number?
The NPI number for Erin O'mahoney is 1023615341. It was assigned to this individual provider in the NPPES registry on October 9, 2020.
Where is Erin O'mahoney located?
Erin O'mahoney practices at 270 Park Ave, Huntington, NY 11743. The listed phone number is (631) 351-2200.
What is Erin O'mahoney's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Erin O'mahoney enrolled in Medicare?
Yes. Erin O'mahoney is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Erin O'mahoney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin O'mahoney reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). 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 Erin O'mahoney'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 Erin O'mahoney was last updated on October 9, 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.
# Erin O'mahoney, NP · NPI 1023615341
Pediatrics physician in Huntington, New York. Individual provider, active in the CMS NPPES registry since October 9, 2020.
## Identity
- **NPI:** 1023615341 (Entity type: Individual)
- **Enumerated:** October 9, 2020
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 383163 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 270 PARK AVE, Huntington, NY 11743-2799
- **Phone:** (631) 351-2200
## 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:** North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 9, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1023615341) · Data from the CMS NPPES public registry.