MRS. MARY T CONELL MSN, APRN, FNP-C
NPI 1891275640
Nurse Practitioner - Family in Ashburn, VA
About Mrs. Mary T Conell Msn, Aprn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARY T CONELL MSN, APRN, FNP-C (NPI 1891275640) is an individual family provider in Ashburn, Virginia, licensed in Virginia (0024176450) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Mrs. Mary T Conell Msn, Aprn, Fnp-c 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
3Medicare enrollment records show Mary Conell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chantilly, VA 20151
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 379 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 167 clinicians in this Medicare group
Alexandria, VA 22310
- Reassigned Medicare billing, District of Columbia enrollment
- 135 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20147 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ASHBURN, VA 20147
ASHBURN, VA 20147
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 Conell's NPI number?
The NPI number for Mary Conell is 1891275640. It was assigned to this individual provider in the NPPES registry on August 20, 2018.
Where is Mary Conell located?
Mary Conell practices at 21785 Filigree Ct Ste 100, Ashburn, VA 20147. The listed phone number is (703) 554-1100.
What is Mary Conell's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Conell enrolled in Medicare?
Yes. Mary Conell 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 Mary Conell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Conell reassigns Medicare benefits to 3 organizations: Inova Physician Partners, LLC (Chantilly, VA), Inova Health Care Services (Falls Church, VA) and Alexandria Springfield Emergency Physicians PC (Alexandria, 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 Mary Conell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Conell accept?
Health plans from Oscar Health list Mary Conell 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 Mary Conell affiliated with any hospitals?
According to CMS data, Mary Conell is affiliated with Inova Loudoun Hospital, Inova Fairfax Hospital and Inova Fair Oaks Hospital.
When was this NPI record last updated?
The NPPES record for Mary Conell was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Mary T Conell, MSN, APRN, FNP-C · NPI 1891275640
Family physician in Ashburn, Virginia. Individual provider, active in the CMS NPPES registry since August 20, 2018.
## Identity
- **NPI:** 1891275640 (Entity type: Individual)
- **Enumerated:** August 20, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024176450 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 21785 FILIGREE CT STE 100, Ashburn, VA 20147-6214
- **Phone:** (703) 554-1100
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Inova Physician Partners, LLC (NPI 1215264916, Chantilly, VA); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Alexandria Springfield Emergency Physicians PC (NPI 1720839764, Alexandria, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** December 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891275640) · Data from the CMS NPPES public registry.