ALLISSA L MASSEY FNP
NPI 1790284586
Nurse Practitioner - Family in Rochester, NY
About Allissa L Massey Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISSA L MASSEY FNP (NPI 1790284586) is an individual family provider in Rochester, New York, licensed in New York (342493) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in North Chili, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Allissa L Massey Fnp 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
4Medicare enrollment records show Allissa Massey reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 clinicians in this Medicare group
Rochester, NY 14617
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Liverpool, NY 13090
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Wellnow Urgent Care, P.C.
- 511 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 14621 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Allissa Massey's NPI number?
The NPI number for Allissa Massey is 1790284586. It was assigned to this individual provider in the NPPES registry on February 7, 2018.
Where is Allissa Massey located?
Allissa Massey practices at 1425 Portland Ave, Rochester, NY 14621. The listed phone number is (585) 922-4518.
What is Allissa Massey's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Allissa Massey enrolled in Medicare?
Yes. Allissa Massey 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 Allissa Massey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allissa Massey reassigns Medicare benefits to 4 organizations: Rochester General Hospital (Rochester, NY), Western New York Medical Practice P.C. (Rochester, NY), The Unity Hospital Of Rochester (Rochester, NY) and Wellnow Urgent Care, PC (Liverpool, 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 Allissa Massey'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 Allissa Massey was last updated on April 15, 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.
# Allissa L Massey, FNP · NPI 1790284586
Family physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since February 7, 2018.
## Identity
- **NPI:** 1790284586 (Entity type: Individual)
- **Enumerated:** February 7, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 342493 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1425 PORTLAND AVE, Rochester, NY 14621-3011
- **Phone:** (585) 922-4518
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Rochester General Hospital (NPI 1063531929, Rochester, NY); Western New York Medical Practice P.C. (NPI 1063790608, Rochester, NY); The Unity Hospital Of Rochester (NPI 1457395766, Rochester, NY); Wellnow Urgent Care, PC (NPI 1669825162, Liverpool, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1790284586) · Data from the CMS NPPES public registry.