DR. CATHIE CEE GROSS M.D.
NPI 1710079546
Pediatrics in Freeport, NY
About Dr. Cathie Cee Gross M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHIE CEE GROSS M.D. (NPI 1710079546) is an individual pediatrics provider in Freeport, New York, licensed in New York (149368) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Cathie Cee Gross M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cathie Gross reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Freeport, NY 11520
- Reassigned Medicare billing, New York enrollment
- 107 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 11520 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 14
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 Cathie Gross's NPI number?
The NPI number for Cathie Gross is 1710079546. It was assigned to this individual provider in the NPPES registry on September 29, 2006.
Where is Cathie Gross located?
Cathie Gross practices at 101 S Bergen Pl, Freeport, NY 11520. The listed phone number is (516) 415-7344.
What is Cathie Gross's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Cathie Gross enrolled in Medicare?
Yes. Cathie Gross is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cathie Gross's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathie Gross reassigns Medicare benefits to Harmony Health Care Long Island (Freeport, 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 Cathie Gross'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 Cathie Gross was last updated on September 11, 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.