DR. MARC JAY MELTZER M.D.
NPI 1326148990
Internal Medicine in Westhampton Beach, NY
About Dr. Marc Jay Meltzer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC JAY MELTZER M.D. (NPI 1326148990) is an individual internal medicine provider in Westhampton Beach, New York, licensed in New York (164722) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of New York University School Of Medicine (1984).
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
Dr. Marc Jay Meltzer M.d. 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
3Medicare enrollment records show Marc Meltzer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 2,450 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Rocket Doctor Practice Group PC
- 38 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.
Areas of Expertise CMS Part B claims 20
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Suny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11978 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
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 Marc Meltzer's NPI number?
The NPI number for Marc Meltzer is 1326148990. It was assigned to this individual provider in the NPPES registry on September 24, 2006.
Where is Marc Meltzer located?
Marc Meltzer practices at 131 Sunset Ave, Westhampton Beach, NY 11978. The listed phone number is (631) 953-4500.
What is Marc Meltzer's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marc Meltzer enrolled in Medicare?
Yes. Marc Meltzer 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 Marc Meltzer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Meltzer reassigns Medicare benefits to 3 organizations: Optum Medical Care, P.C. (Mount Kisco, NY), New York University (Boynton Beach, FL) and Rocket Doctor Practice Group, P.C. (Newport Beach, CA). 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 Marc Meltzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marc Meltzer affiliated with any hospitals?
According to CMS data, Marc Meltzer is affiliated with Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Marc Meltzer was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.