LOY ALLEN NURSE PRACTITIONER
NPI 1497164958
Nurse Practitioner - Adult Health in Brooklyn, NY
About Loy Allen Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOY ALLEN NURSE PRACTITIONER (NPI 1497164958) is an individual adult health provider in Brooklyn, New York, licensed in New York (311585) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS, is affiliated with St Catherine Of Siena Hospital Medical Center, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 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
Loy Allen Nurse Practitioner 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
7Medicare enrollment records show Loy Allen reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jamaica, NY 11423
- Reassigned Medicare billing, New York enrollment
- 1,393 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 1,054 clinicians in this Medicare group
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 683 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Bronx Medical Practice PC
- 1,013 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, New York enrollment
- 348 clinicians in this Medicare group
West Islip, NY 11795
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Samaritan Medical Services PC
- 209 clinicians in this Medicare group
Bohemia, NY 11716
- Reassigned Medicare billing, New York enrollment
- 754 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Catherine Of Siena Hospital Medical Center
Acute Care Hospitals · Smithtown, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Loy Allen's NPI number?
The NPI number for Loy Allen is 1497164958. It was assigned to this individual provider in the NPPES registry on August 10, 2014.
Where is Loy Allen located?
Loy Allen practices at 708 Sackman St, Brooklyn, NY 11212. The listed phone number is (347) 513-5507.
What is Loy Allen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Loy Allen enrolled in Medicare?
Yes. Loy Allen 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 Loy Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Loy Allen reassigns Medicare benefits to 7 organizations: Essen Medical Associates,pc (Jamaica, NY), House Call Medical Services Of New York, PLLC (Bronx, NY), Essen Medical Urgicare, PLLC (Bronx, NY), Bronx Medical Practice P.C. (Bronx, NY), Southwest Suffolk Medical PC (Lindenhurst, NY) and 2 more organizations, listed in the Medicare section above. 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 Loy Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Loy Allen affiliated with any hospitals?
According to CMS data, Loy Allen is affiliated with St Catherine Of Siena Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Loy Allen was last updated on October 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Loy Allen, NURSE PRACTITIONER · NPI 1497164958
Adult Health physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since August 10, 2014.
## Identity
- **NPI:** 1497164958 (Entity type: Individual)
- **Enumerated:** August 10, 2014
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 311585 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 708 SACKMAN ST, Brooklyn, NY 11212-7036
- **Phone:** (347) 513-5507
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Essen Medical Associates,pc (NPI 1700023926, Jamaica, NY); House Call Medical Services Of New York, PLLC (NPI 1851345946, Bronx, NY); Essen Medical Urgicare, PLLC (NPI 1841607298, Bronx, NY); Bronx Medical Practice P.C. (NPI 1356726087, Bronx, NY); Southwest Suffolk Medical PC (NPI 1770919763, Lindenhurst, NY); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1497164958) · Data from the CMS NPPES public registry.