DR. MATTHEW JOEL GUY MD
NPI 1679517643
Internal Medicine - Gastroenterology in Rockaway Park, NY
About Dr. Matthew Joel Guy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW JOEL GUY MD (NPI 1679517643) is an individual gastroenterology provider in Rockaway Park, New York, licensed in New York (108805) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Matthew Joel Guy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Matthew Guy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11209
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Staten Island, NY 10301
- Reassigned Medicare billing, New York enrollment
- 5 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 11694 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.
NEPONSIT, NY 11694
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 Matthew Guy's NPI number?
The NPI number for Matthew Guy is 1679517643. It was assigned to this individual provider in the NPPES registry on June 16, 2006.
Where is Matthew Guy located?
Matthew Guy practices at 14404 Rockaway Beach Blvd, Rockaway Park, NY 11694. The listed phone number is (718) 945-2714.
What is Matthew Guy's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Matthew Guy enrolled in Medicare?
Yes. Matthew Guy is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Matthew Guy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Guy reassigns Medicare benefits to 2 organizations: (Brooklyn, NY) and Bay Medical Care Services PLLC (Staten Island, 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 Matthew Guy'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 Matthew Guy was last updated on January 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.