AILYN GRACE BERNABE SIMS
NPI 1881380343
Nurse Practitioner - Primary Care in Falls Church, VA
About Ailyn Grace Bernabe Sims NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AILYN GRACE BERNABE SIMS (NPI 1881380343) is an individual primary care provider in Falls Church, Virginia, licensed in Virginia (0024185238) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Ailyn Grace Bernabe Sims 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
2Medicare enrollment records show Ailyn Grace Sims reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Sterling, VA 20165
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 94 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 2
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 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 7
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 Ailyn Grace Sims's NPI number?
The NPI number for Ailyn Grace Sims is 1881380343. It was assigned to this individual provider in the NPPES registry on April 17, 2023.
Where is Ailyn Grace Sims located?
Ailyn Grace Sims practices at 2833 Cleave Dr, Falls Church, VA 22042. The listed phone number is (800) 969-1104.
What is Ailyn Grace Sims's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Ailyn Grace Sims enrolled in Medicare?
Yes. Ailyn Grace Sims 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 Ailyn Grace Sims's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ailyn Grace Sims reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Rahel G. Yirga MD PC (Sterling, 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 Ailyn Grace Sims'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 Ailyn Grace Sims was last updated on April 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.
# Ailyn Grace Bernabe Sims · NPI 1881380343
Primary Care physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since April 17, 2023.
## Identity
- **NPI:** 1881380343 (Entity type: Individual)
- **Enumerated:** April 17, 2023
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 0024185238 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2833 CLEAVE DR, Falls Church, VA 22042-2307
- **Phone:** (800) 969-1104
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Rahel G. Yirga MD PC (NPI 1558508184, Sterling, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** April 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1881380343) · Data from the CMS NPPES public registry.