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MARISSA VICTORIA MITROVIC FNP-BC
NPI 1992646343
Nurse Practitioner - Family in Warrenton, VA

Active since April 01, 2026PECOS EnrolledAccepts Medicare Assignment
75 W LEE HWY, WARRENTON, VA 20186(540) 351-0662 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marissa Victoria Mitrovic Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA VICTORIA MITROVIC FNP-BC (NPI 1992646343) is an individual family provider in Warrenton, Virginia, licensed in Virginia (0024196116) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in Warrenton, and is a graduate of Georgetown University School Of Medicine (2025).

NPPES Registry Identity

NPI1992646343
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARISSA VICTORIA MITROVICCredential: FNP-BC
Location Address75 W LEE HWYWarrenton, VA 20186-2149
Mailing Address13123 Cross Keys CtFairfax, VA 22033-1426 · (757) 869-8223
Phone(540) 351-0662
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2025
Enumeration DateApril 1, 2026
NPPES CertifiedApril 1, 2026
✔ NPI 1992646343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in VA · 0024196116
75 W LEE HWY, Warrenton, VA 20186
Open in Google Maps ↗

Secondary Practice Location 1

Location 147 S 3rd StWarrenton, VA 20186-3304 · Phone (540) 833-7003

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

Marissa Victoria Mitrovic Fnp-bc 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.

PECOS PAC ID5597232074
PECOS Enrollment IDI20260422002441
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Marissa Mitrovic reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dmv Urgent Care LLC
Same address
Urgent Care
75 W LEE HWY
Warrenton, VA 20186
  • Reassigned Medicare billing, Virginia enrollment
  • 20 clinicians in this Medicare group
NPI 1689539975 (540) 351-0662
Privia Medical Group, LLC
38 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, Virginia enrollment
  • 1,315 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20186 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRIVIA MEDICAL GROUP, LLC
Nurse Practitioner (Primary Care)
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
FRANCIS JOHN BOURGEOIS M.D.
Internal Medicine
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
EMERGICARE OF HARRISONBURG INC,
Clinic/Center (Urgent Care)
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
AMY K HEFFELFINGER
Nurse Practitioner (Family)
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
MRS. MACKENZIE HAMILTON GLASSMACHER FNP-BC
Nurse Practitioner (Family)
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
DR. MARK E. MICHAUD M.D.
Family Medicine
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
PATRICK FRANCOIS PA-C
Physician Assistant
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662
DMV URGENT CARE LLC
Clinic/Center (Urgent Care)
75 W LEE HWY
WARRENTON, VA 20186
Fauquier County (540) 351-0662

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 Marissa Mitrovic's NPI number?

The NPI number for Marissa Mitrovic is 1992646343. It was assigned to this individual provider in the NPPES registry on April 1, 2026.

Where is Marissa Mitrovic located?

Marissa Mitrovic practices at 75 W Lee Hwy, Warrenton, VA 20186. The listed phone number is (540) 351-0662.

What is Marissa Mitrovic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marissa Mitrovic enrolled in Medicare?

Yes. Marissa Mitrovic 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 Marissa Mitrovic's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Mitrovic reassigns Medicare benefits to 2 organizations: Dmv Urgent Care LLC (Warrenton, VA) and Privia Medical Group, LLC (Arlington, VA). 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 Marissa Mitrovic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marissa Mitrovic was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.