DR. MARC RONALD HAMET M.D.
NPI 1295700920
Radiology - Vascular & Interventional Radiology in Riverside, CT
About Dr. Marc Ronald Hamet M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC RONALD HAMET M.D. (NPI 1295700920) is an individual vascular & interventional radiology provider in Riverside, Connecticut, licensed in Florida (ME149181) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Bethesda Hospital Inc, and is a graduate of University Of Maryland School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 4
Accepted Insurance
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 Ronald Hamet 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
10Medicare enrollment records show Marc Hamet reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 54 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Jericho, NY 11753
- Reassigned Medicare billing, New York enrollment
- 413 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, Connecticut and New York enrollments
- 6 clinicians in this Medicare group
West Islip, NY 11795
- Reassigned Medicare billing, Florida and New York enrollments
- 56 clinicians in this Medicare group
Middletown, NY 10941
- Reassigned Medicare billing, New York enrollment
- 434 clinicians in this Medicare group
Bethlehem, PA 18017
- Reassigned Medicare billing, Connecticut and Florida enrollments
Prince Frederick, MD 20678
- Reassigned Medicare billing, Connecticut enrollment
- 2 clinicians in this Medicare group
Tampa, FL 33606
- Reassigned Medicare billing, Connecticut and Florida enrollments
- 14 clinicians in this Medicare group
Miami, FL 33176
- Reassigned Medicare billing, Florida enrollment
- 318 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 112
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bethesda Hospital Inc
Acute Care Hospitals · Boynton Beach, FLPhysicians Regional Medical Center - Pine Ridge
Acute Care Hospitals · Naples, FLSt Lukes Quakertown Hospital
Acute Care Hospitals · Quakertown, PASt Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PAGrand View Health
Acute Care Hospitals · Sellersville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06878 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Hamet's NPI number?
The NPI number for Marc Hamet is 1295700920. It was assigned to this individual provider in the NPPES registry on February 17, 2006.
Where is Marc Hamet located?
Marc Hamet practices at 20 Dialstone Ln, Riverside, CT 06878. The listed phone number is (203) 912-4574.
What is Marc Hamet's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Marc Hamet enrolled in Medicare?
Yes. Marc Hamet 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 Hamet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Hamet reassigns Medicare benefits to 10 organizations: White Plains Hospital Medical Center (White Plains, NY), Optum Medical Care, P.C. (Mount Kisco, NY), Optum Urgent Care, PLLC (Jericho, NY), Zwanger & Pesiri Radiology Group, LLP (Lindenhurst, NY), Empire State Radiology P C (West Islip, NY) and 5 more organizations, listed in the Medicare section above. 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 Hamet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Hamet accept?
Health plans from Oscar Health Maintenance Organization of Florida and Taro Health list Marc Hamet as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marc Hamet affiliated with any hospitals?
According to CMS data, Marc Hamet is affiliated with Bethesda Hospital Inc, Physicians Regional Medical Center - Pine Ridge, St Lukes Quakertown Hospital, St Luke's Hospital Bethlehem and Grand View Health.
When was this NPI record last updated?
The NPPES record for Marc Hamet was last updated on October 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.