MELISSA RAE GILBERT GRENIER
NPI 1295513406
Nurse Practitioner - Family in Falls Church, VA
About Melissa Rae Gilbert Grenier NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA RAE GILBERT GRENIER (NPI 1295513406) is an individual family provider in Falls Church, Virginia, licensed in Virginia (0001284750) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Melissa Rae Gilbert Grenier is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Melissa Grenier reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22044
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Panamerican Internal Medicine PC
- 11 clinicians in this Medicare group
Hyattsville, MD 20783
- Reassigned Medicare billing, District of Columbia enrollment
- 12 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22044 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.
FALLS CHURCH, VA 22044
FALLS CHURCH, VA 22044
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 Melissa Grenier's NPI number?
The NPI number for Melissa Grenier is 1295513406. It was assigned to this individual provider in the NPPES registry on September 19, 2023.
Where is Melissa Grenier located?
Melissa Grenier practices at 6201 Leesburg Pike Ste 410, Falls Church, VA 22044. The listed phone number is (703) 532-5044.
What is Melissa Grenier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Melissa Grenier enrolled in Medicare?
Yes. Melissa Grenier is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Melissa Grenier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Grenier reassigns Medicare benefits to 2 organizations: Panamerican Internal Medicine, P.C. (Falls Church, VA) and Familys Urgent Care (Hyattsville, 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 Melissa Grenier'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 Melissa Grenier was last updated on September 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Melissa Rae Gilbert Grenier · NPI 1295513406
Family physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since September 19, 2023.
## Identity
- **NPI:** 1295513406 (Entity type: Individual)
- **Enumerated:** September 19, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0001284750 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 6201 LEESBURG PIKE STE 410, Falls Church, VA 22044-2201
- **Phone:** (703) 532-5044
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Panamerican Internal Medicine, P.C. (NPI 1689868671, Falls Church, VA); Familys Urgent Care (NPI 1619491735, Hyattsville, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1295513406) · Data from the CMS NPPES public registry.