DR. GILLIAN LISA ABRAMS
NPI 1811255615
Pediatrics in Washington, DC
About Dr. Gillian Lisa Abrams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GILLIAN LISA ABRAMS (NPI 1811255615) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (MD043091) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gillian Lisa Abrams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Gillian Abrams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Whc Physician Group LLC
- 613 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 20010 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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Gillian Abrams's NPI number?
The NPI number for Gillian Abrams is 1811255615. It was assigned to this individual provider in the NPPES registry on April 30, 2012.
Where is Gillian Abrams located?
Gillian Abrams practices at 111 Michigan Ave NW W3.5, 600, Washington, DC 20010. The listed phone number is (202) 476-3670.
What is Gillian Abrams's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Gillian Abrams enrolled in Medicare?
Yes. Gillian Abrams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gillian Abrams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Abrams reassigns Medicare benefits to 3 organizations: Children's Hospital (Washington, DC), Medstar Medical Group II LLC (Washington, DC) and Whc Emerg Phys (Washington, DC). 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 Gillian Abrams'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 Gillian Abrams was last updated on August 31, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Gillian Lisa Abrams · NPI 1811255615
Pediatrics physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 30, 2012.
## Identity
- **NPI:** 1811255615 (Entity type: Individual)
- **Enumerated:** April 30, 2012
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MD043091 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 MICHIGAN AVE NW, W3.5, 600, Washington, DC 20010-2916
- **Phone:** (202) 476-3670
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Children's Hospital (NPI 1780800128, Washington, DC); Medstar Medical Group II LLC (NPI 1023836137, Washington, DC); Whc Emerg Phys (NPI 1306260625, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 31, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1811255615) · Data from the CMS NPPES public registry.