ALISSA M GNOLFO PNP
NPI 1336582600
Nurse Practitioner - Pediatrics in Mount Sinai, NY
About Alissa M Gnolfo Pnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISSA M GNOLFO PNP (NPI 1336582600) is an individual pediatrics provider in Mount Sinai, New York, licensed in New York (F381858-1) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
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
Alissa M Gnolfo Pnp 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 Alissa Gnolfo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Islandia, NY 11749
- Reassigned Medicare billing, New York enrollment
- 20 clinicians in this Medicare group
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 11766 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT SINAI, NY 11766
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 Alissa Gnolfo's NPI number?
The NPI number for Alissa Gnolfo is 1336582600. It was assigned to this individual provider in the NPPES registry on April 16, 2013.
Where is Alissa Gnolfo located?
Alissa Gnolfo practices at 701 Route 25A Suite B3, Mount Sinai, NY 11766. The listed phone number is (631) 476-7676.
What is Alissa Gnolfo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Alissa Gnolfo enrolled in Medicare?
Yes. Alissa Gnolfo 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 Alissa Gnolfo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alissa Gnolfo reassigns Medicare benefits to 2 organizations: North Shore - Lij Pediatrics Of Suffolk County, P.C. (Islandia, NY) and North Shore-Lij Medical PC (Great Neck, 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 Alissa Gnolfo'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 Alissa Gnolfo was last updated on April 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Alissa M Gnolfo, PNP · NPI 1336582600
Pediatrics physician in Mount Sinai, New York. Individual provider, active in the CMS NPPES registry since April 16, 2013.
## Identity
- **NPI:** 1336582600 (Entity type: Individual)
- **Enumerated:** April 16, 2013
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** F381858-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 ROUTE 25A, SUITE B3, Mount Sinai, NY 11766-2050
- **Phone:** (631) 476-7676
## 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): North Shore - Lij Pediatrics Of Suffolk County, P.C. (NPI 1255722161, Islandia, NY); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** April 16, 2013
---
Source: [NPI Profile](https://npiprofile.com/npi/1336582600) · Data from the CMS NPPES public registry.