ALYSSA MESSINA
NPI 1972980225
Nurse Practitioner - Pediatrics in Philadelphia, PA
About Alyssa Messina NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA MESSINA (NPI 1972980225) is an individual pediatrics provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP014950) and active in the NPI registry since May 2015. 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)
Alyssa Messina is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alyssa Messina reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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 19104 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19104
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 Alyssa Messina's NPI number?
The NPI number for Alyssa Messina is 1972980225. It was assigned to this individual provider in the NPPES registry on May 6, 2015.
Where is Alyssa Messina located?
Alyssa Messina practices at 34th Street Civic Center Blvd Chop Urology 3rd Floor Of Wood Building, Philadelphia, PA 19104. The listed phone number is (215) 590-2754.
What is Alyssa Messina's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Alyssa Messina enrolled in Medicare?
Yes. Alyssa Messina is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alyssa Messina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Messina reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). 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 Alyssa Messina'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 Alyssa Messina was last updated on May 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.