MARC PHILIP GRUNER D.O.
NPI 1760877492
Physical Medicine & Rehabilitation - Sports Medicine in Mc Lean, VA
About Marc Philip Gruner D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC PHILIP GRUNER D.O. (NPI 1760877492) is an individual sports medicine provider in Mc Lean, Virginia, licensed in Minnesota (65424) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Marc Philip Gruner D.o. 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
4Medicare enrollment records show Marc Gruner reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20817
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Mark D. Klaiman, M.D., L.C.
- 17 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Bethesda, MD 20817
- Reassigned Medicare billing, District of Columbia enrollment
- 90 clinicians in this Medicare group
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia enrollment
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 23
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.
Virginia Hospital Center
Acute Care Hospitals · Arlington, VAOther Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MC LEAN, VA 22102
MC LEAN, VA 22102
MC LEAN, VA 22102
MC LEAN, VA 22102
MC LEAN, VA 22102
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 Gruner's NPI number?
The NPI number for Marc Gruner is 1760877492. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Marc Gruner located?
Marc Gruner practices at 8401 Greensboro Dr Ste 120, Mc Lean, VA 22102. The listed phone number is (571) 899-3590.
What is Marc Gruner's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Sports Medicine, with taxonomy code 2081S0010X.
Is Marc Gruner enrolled in Medicare?
Yes. Marc Gruner 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 Gruner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Gruner reassigns Medicare benefits to 4 organizations: Mark D. Klaiman, M.D., L.C. Pt (Bethesda, MD), Privia Medical Group, LLC (Arlington, VA), Bethesda Chevy Chase Orthopaedic Associates, LLC (Bethesda, MD) and Gruner Medical Services, P.C. (Kensington, MD). 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 Gruner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Gruner accept?
Health plans from Oscar Health list Marc Gruner 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 Gruner affiliated with any hospitals?
According to CMS data, Marc Gruner is affiliated with Virginia Hospital Center.
When was this NPI record last updated?
The NPPES record for Marc Gruner was last updated on January 12, 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.