MARISSA FOX M.D.
NPI 1275875148
Pediatrics in Valley Stream, NY
About Marissa Fox M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA FOX M.D. (NPI 1275875148) is an individual pediatrics provider in Valley Stream, New York, licensed in New York (282940) and active in the NPI registry since March 2013. 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)
Marissa Fox M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marissa Fox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- 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 11580 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 Marissa Fox's NPI number?
The NPI number for Marissa Fox is 1275875148. It was assigned to this individual provider in the NPPES registry on March 19, 2013.
Where is Marissa Fox located?
Marissa Fox practices at 222 Park Dr, Valley Stream, NY 11580. The listed phone number is (516) 680-5245.
What is Marissa Fox's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Marissa Fox enrolled in Medicare?
Yes. Marissa Fox is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marissa Fox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Fox reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, 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 Marissa Fox'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 Marissa Fox was last updated on June 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.