DR. MARC MARGOLIS M.D.
NPI 1295771525
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Washington, DC
About Dr. Marc Margolis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC MARGOLIS M.D. (NPI 1295771525) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Washington, District Of Columbia, licensed in District Of Columbia (MD31894) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Reston Hospital Center, and maintains a secondary practice location in Reston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 Margolis 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
2Medicare enrollment records show Marc Margolis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 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 12
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.
Reston Hospital Center
Acute Care Hospitals · Reston, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20007 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON D.C., DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Margolis's NPI number?
The NPI number for Marc Margolis is 1295771525. It was assigned to this individual provider in the NPPES registry on June 22, 2006.
Where is Marc Margolis located?
Marc Margolis practices at 3800 Reservoir Road NW Phc Building 4th Floor, Washington, DC 20007. The listed phone number is (202) 295-0560.
What is Marc Margolis's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Marc Margolis enrolled in Medicare?
Yes. Marc Margolis 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 Margolis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Margolis reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc LLC (Washington, DC). 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 Margolis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marc Margolis affiliated with any hospitals?
According to CMS data, Marc Margolis is affiliated with Reston Hospital Center.
When was this NPI record last updated?
The NPPES record for Marc Margolis was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.