PAIGE TROJANOWSKI PHD
NPI 1437857976
Psychologist in Washington, DC

Active since February 22, 2023PECOS Enrolled
641 S ST NW STE 200, WASHINGTON, DC 20001(202) 476-2123 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 21, 2025, Feb 22, 2023 (2 updates tracked since 2023).

About Paige Trojanowski Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PAIGE TROJANOWSKI PHD (NPI 1437857976) is an individual psychologist in Washington, District Of Columbia, licensed in District Of Columbia (PSYA200001485) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437857976
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NamePAIGE TROJANOWSKICredential: PHD
Location Address641 S ST NW STE 200Washington, DC 20001-5197
Mailing Address641 S St Nw Ste 200Washington, DC 20001-5197 · (202) 476-2123
Sole ProprietorNo
Enumeration DateFebruary 22, 2023
Last NPPES UpdateFebruary 21, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2025
✔ NPI 1437857976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses✔ Licensed in DC · PSYA200001485✔ Licensed in MD · 07318
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
641 S ST NW STE 200, Washington, DC 20001

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Paige Trojanowski Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Paige Trojanowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
111 MICHIGAN AVE NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,417 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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
641 S ST NW STE 200
WASHINGTON, DC 20001
Social Worker (Clinical)
641 S ST NW STE 200
WASHINGTON, DC 20001
Psychologist (Clinical Child & Adolescent)
641 S ST NW STE 200
WASHINGTON, DC 20001

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 Paige Trojanowski's NPI number?

The NPI number for Paige Trojanowski is 1437857976. It was assigned to this individual provider in the NPPES registry on February 22, 2023.

Where is Paige Trojanowski located?

Paige Trojanowski practices at 641 S St NW Ste 200, Washington, DC 20001. The listed phone number is (202) 476-2123.

What is Paige Trojanowski's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Paige Trojanowski enrolled in Medicare?

Yes. Paige Trojanowski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Paige Trojanowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paige Trojanowski reassigns Medicare benefits to Children's Hospital (Washington, DC). The 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 Paige Trojanowski'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 Paige Trojanowski was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.