JUSTINE JULIA LARSON M.D.
NPI 1437286531
Psychiatry & Neurology - Psychiatry in Arlington, VA
About Justine Julia Larson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTINE JULIA LARSON M.D. (NPI 1437286531) is an individual psychiatry provider in Arlington, Virginia, licensed in Virginia (0101249483) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Justine Julia Larson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Justine Larson reassigns Medicare billing to 2 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
Gaithersburg, MD 20877
- Reassigned Medicare billing, District of Columbia enrollment
- 106 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 22205 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ARLINGTON, VA 22205
ARLINGTON, VA 22205
ARLINGTON, VA 22205
ARLINGTON, VA 22205
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 Justine Larson's NPI number?
The NPI number for Justine Larson is 1437286531. It was assigned to this individual provider in the NPPES registry on February 27, 2007.
Where is Justine Larson located?
Justine Larson practices at 1725 N George Mason Dr Drewry Center, Arlington, VA 22205. The listed phone number is (703) 228-4950.
What is Justine Larson's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Justine Larson enrolled in Medicare?
Yes. Justine Larson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Justine Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justine Larson reassigns Medicare benefits to 2 organizations: Children's Hospital (Washington, DC) and Family Services, Inc. (Gaithersburg, MD). 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 Justine Larson'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 Justine Larson was last updated on November 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.