ALLISON HAGAN
NPI 1134526957
Social Worker in Bronx, NY
About Allison Hagan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON HAGAN (NPI 1134526957) is an individual social worker in Bronx, New York, licensed in New York (092124-1) and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
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 and accepts Medicare assignment
Allison Hagan 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 Allison Hagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 683 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.
BRONX, NY 10461
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 Allison Hagan's NPI number?
The NPI number for Allison Hagan is 1134526957. It was assigned to this individual provider in the NPPES registry on November 21, 2014.
Where is Allison Hagan located?
Allison Hagan practices at 2510 Westchester Ave Suite 202, Bronx, NY 10461. The listed phone number is (855) 681-8700.
What is Allison Hagan's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Allison Hagan enrolled in Medicare?
Yes. Allison Hagan 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 Allison Hagan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Hagan reassigns Medicare benefits to Sun River Health Inc (Bronx, 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 Allison Hagan'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 Allison Hagan was last updated on June 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Allison Hagan · NPI 1134526957
Social Worker provider in Bronx, New York. Individual provider, active in the CMS NPPES registry since November 21, 2014.
## Identity
- **NPI:** 1134526957 (Entity type: Individual)
- **Enumerated:** November 21, 2014
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 092124-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2510 WESTCHESTER AVE, SUITE 202, Bronx, NY 10461-3585
- **Phone:** (855) 681-8700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Sun River Health Inc (NPI 1740763275, Bronx, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 10, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1134526957) · Data from the CMS NPPES public registry.