DR. MARK LUIS MUNOZ MD
NPI 1386910396
Internal Medicine in Arlington, VA
About Dr. Mark Luis Munoz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK LUIS MUNOZ MD (NPI 1386910396) is an individual internal medicine provider in Arlington, Virginia, licensed in Virginia (0101274354) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Oregon Health Sciences University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
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. Mark Luis Munoz Md 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
5Medicare enrollment records show Mark Munoz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 167 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Whc Physician Group LLC
- 613 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 3
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.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22205 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ARLINGTON, VA 22205
ARLINGTON, VA 22205
ARLINGTON, VA 22205
ARLINGTON, VA 22205
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 Mark Munoz's NPI number?
The NPI number for Mark Munoz is 1386910396. It was assigned to this individual provider in the NPPES registry on March 24, 2012.
Where is Mark Munoz located?
Mark Munoz practices at 1701 N George Mason Dr, Arlington, VA 22205. The listed phone number is (703) 558-5000.
What is Mark Munoz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mark Munoz enrolled in Medicare?
Yes. Mark Munoz 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 Mark Munoz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Munoz reassigns Medicare benefits to 5 organizations: Privia Medical Group, LLC (Arlington, VA), Mgmc LLC (Washington, DC), Medical Faculty Associates, Inc (Washington, DC), Inova Health Care Services (Falls Church, VA) and Whc Emerg Phys (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 Mark Munoz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Munoz accept?
Health plans from Oscar Health list Mark Munoz 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 Mark Munoz affiliated with any hospitals?
According to CMS data, Mark Munoz is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Mark Munoz was last updated on April 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Mark Luis Munoz, MD · NPI 1386910396
Internal Medicine physician in Arlington, Virginia. Individual provider, active in the CMS NPPES registry since March 24, 2012.
## Identity
- **NPI:** 1386910396 (Entity type: Individual)
- **Enumerated:** March 24, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 0101274354 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1701 N GEORGE MASON DR, Arlington, VA 22205-3610
- **Phone:** (703) 558-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Privia Medical Group, LLC (NPI 1013042480, Arlington, VA); Mgmc LLC (NPI 1316949654, Washington, DC); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Whc Emerg Phys (NPI 1306260625, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** April 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1386910396) · Data from the CMS NPPES public registry.