DARLENE M DAY FNP-C
NPI 1346323557
Nurse Practitioner - Family in Warrenton, VA
About Darlene M Day Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARLENE M DAY FNP-C (NPI 1346323557) is an individual family provider in Warrenton, Virginia, licensed in Virginia (0024164656) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Winchester, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Darlene M Day 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 Reassignment
Medicare enrollment records show Darlene Day reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Winchester, VA 22601
- Reassigned Medicare billing, Virginia 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.
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.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Darlene Day's NPI number?
The NPI number for Darlene Day is 1346323557. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Darlene Day located?
Darlene Day practices at 510 Blackwell Rd, Warrenton, VA 20186. The listed phone number is (703) 258-4765.
What is Darlene Day's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Darlene Day enrolled in Medicare?
Yes. Darlene Day 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 organization bills Medicare for Darlene Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darlene Day reassigns Medicare benefits to Renal Physician Associates Of Winchester Plc (Winchester, 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 Darlene Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Darlene Day accept?
Health plans from Blue Cross and Blue Shield of Texas list Darlene Day 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 Darlene Day was last updated on July 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Darlene M Day, FNP-C · NPI 1346323557
Family physician in Warrenton, Virginia. Individual provider, active in the CMS NPPES registry since October 23, 2006.
## Identity
- **NPI:** 1346323557 (Entity type: Individual)
- **Enumerated:** October 23, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024164656 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 510 BLACKWELL RD, Warrenton, VA 20186-2600
- **Phone:** (703) 258-4765
## 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:** Renal Physician Associates Of Winchester Plc (NPI 1528142577, Winchester, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** July 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1346323557) · Data from the CMS NPPES public registry.