AMBER N DAY CRNA
NPI 1558649236
Nurse Anesthetist, Certified Registered in Woodbridge, VA
About Amber N Day Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER N DAY CRNA (NPI 1558649236) is an individual nurse anesthetist, certified registered in Woodbridge, Virginia, licensed in Maryland (R170532) and active in the NPI registry since July 2011. She is affiliated with Medstar Saint Mary's Hospital and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Amber N Day Crna 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
11Medicare enrollment records show Amber Day reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodbridge, VA 22191
- Reassigned Medicare billing, Virginia enrollment
- 170 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 634 clinicians in this Medicare group
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 318 clinicians in this Medicare group
Washington, DC 20036
- Reassigned Medicare billing, Maryland enrollment
- 2,602 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 33 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 54 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 46 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 196 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Saint Mary's Hospital
Acute Care Hospitals · Leonardtown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22191 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WOODBRIDGE, VA 22191
WOODBRIDGE, VA 22191
WOODBRIDGE, VA 22191
WOODBRIDGE, VA 22191
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 Amber Day's NPI number?
The NPI number for Amber Day is 1558649236. It was assigned to this individual provider in the NPPES registry on July 28, 2011.
Where is Amber Day located?
Amber Day practices at 2300 Opitz Blvd, Woodbridge, VA 22191. The listed phone number is (703) 730-4345.
What is Amber Day's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Amber Day enrolled in Medicare?
Yes. Amber 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 Amber Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Day reassigns Medicare benefits to 11 organizations: Premier Anesthesia Of Virginia LLC (Woodbridge, VA), Northstar Anesthesia Of Virginia, LLC (Alexandria, VA), Inova Cares - Community (Fairfax, VA), Medstar Medical Group II LLC (Washington, DC), Potomac Anesthesia Consultants LLC (Rockville, MD) and 6 more organizations, listed in the Medicare section above. 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 Amber Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Amber Day affiliated with any hospitals?
According to CMS data, Amber Day is affiliated with Medstar Saint Mary's Hospital.
When was this NPI record last updated?
The NPPES record for Amber Day was last updated on October 17, 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.
# Amber N Day, CRNA · NPI 1558649236
Nurse Anesthetist, Certified Registered physician in Woodbridge, Virginia. Individual provider, active in the CMS NPPES registry since July 28, 2011.
## Identity
- **NPI:** 1558649236 (Entity type: Individual)
- **Enumerated:** July 28, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R170532 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2300 OPITZ BLVD, Woodbridge, VA 22191-3311
- **Phone:** (703) 730-4345 · **Fax:** (703) 878-9983
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Premier Anesthesia Of Virginia LLC (NPI 1255986147, Woodbridge, VA); Northstar Anesthesia Of Virginia, LLC (NPI 1194488791, Alexandria, VA); Inova Cares - Community (NPI 1861131906, Fairfax, VA); Medstar Medical Group II LLC (NPI 1376887844, Washington, DC); Potomac Anesthesia Consultants LLC (NPI 1225781297, Rockville, MD); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 17, 2023
- **Other identifiers:** Medicaid 1558649236 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1558649236) · Data from the CMS NPPES public registry.