MARY M MONTAGUE FNP
NPI 1558726604
Nurse Practitioner - Family in Fairfax, VA
About Mary M Montague Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY M MONTAGUE FNP (NPI 1558726604) is an individual family provider in Fairfax, Virginia, licensed in Virginia (0024173093) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary M Montague Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Montague reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
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 Mary Montague's NPI number?
The NPI number for Mary Montague is 1558726604. It was assigned to this individual provider in the NPPES registry on December 16, 2015.
Where is Mary Montague located?
Mary Montague practices at 2730 Prosperity Ave Ste D, Fairfax, VA 22031. The listed phone number is (703) 226-2290.
What is Mary Montague's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Montague enrolled in Medicare?
Yes. Mary Montague is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Montague's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Montague reassigns Medicare benefits to Inova Health Care Services (Fairfax, VA). The 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 Mary Montague's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Montague accept?
Health plans from Oscar Health list Mary Montague 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.
When was this NPI record last updated?
The NPPES record for Mary Montague was last updated on October 10, 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.
# Mary M Montague, FNP · NPI 1558726604
Family physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since December 16, 2015.
## Identity
- **NPI:** 1558726604 (Entity type: Individual)
- **Enumerated:** December 16, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024173093 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 2730 PROSPERITY AVE STE D, Fairfax, VA 22031-4330
- **Phone:** (703) 226-2290
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Inova Health Care Services (NPI 1669511051, Fairfax, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 10, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1558726604) · Data from the CMS NPPES public registry.