SHARON L DAY MD
NPI 1235201716
Emergency Medicine in Falls Church, VA
About Sharon L Day Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHARON L DAY MD (NPI 1235201716) is an individual emergency medicine provider in Falls Church, Virginia, licensed in Virginia (0101051434) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Sharon L Day Md 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
4Medicare enrollment records show Sharon Day reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 1,150 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Maplewood, NJ 07040
- Reassigned Medicare billing, District of Columbia, New Jersey and New York enrollments
Sacramento, CA 95821
- Reassigned Medicare billing, California enrollment
- 24 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 22042 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FALLS CHURCH, VA 22042
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 Sharon Day's NPI number?
The NPI number for Sharon Day is 1235201716. It was assigned to this individual provider in the NPPES registry on November 14, 2006.
Where is Sharon Day located?
Sharon Day practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-3111.
What is Sharon Day's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sharon Day enrolled in Medicare?
Yes. Sharon 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 organizations bill Medicare for Sharon Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sharon Day reassigns Medicare benefits to 4 organizations: Emergency Medicine Associates P.A., P.C. (Falls Church, VA), Inova Health Care Services (Falls Church, VA), Stationmd Professional Corporation (Maplewood, NJ) and Stationmd California PC (Sacramento, CA). 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 Sharon Day'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 Sharon Day was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Sharon L Day, MD · NPI 1235201716
Emergency Medicine physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since November 14, 2006.
## Identity
- **NPI:** 1235201716 (Entity type: Individual)
- **Enumerated:** November 14, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 0101051434 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 GALLOWS RD, Falls Church, VA 22042-3307
- **Phone:** (703) 776-3111 · **Fax:** (904) 346-0113
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Associates P.A., P.C. (NPI 1134117393, Falls Church, VA); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Stationmd Professional Corporation (NPI 1285015347, Maplewood, NJ); Stationmd California PC (NPI 1023831922, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 796739E00 (VA); Medicaid 6062873 (VA); Medicare UPIN G14224 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1235201716) · Data from the CMS NPPES public registry.