DR. DIONNE SMITH COKER-APPIAH PHD
NPI 1316256175
Psychologist in Washington, DC

Active since September 28, 2010PECOS Enrolled
2115 WISCONSIN AVE NW, SUITE 200, WASHINGTON, DC 20007(202) 687-2504(202) 687-0694 Get Directions Write a Review

NPPES record last updated: September 28, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Dionne Smith Coker-appiah Phd NPPES

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

DR. DIONNE SMITH COKER-APPIAH PHD (NPI 1316256175) is an individual psychologist in Washington, District Of Columbia, licensed in Maryland (04583) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316256175
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. DIONNE SMITH COKER-APPIAHCredential: PHD
Location Address2115 WISCONSIN AVE NW, SUITE 200Washington, DC 20007-2265
Mailing Address2115 Wisconsin Ave Nw, Suite 200Washington, DC 20007-2265 · (202) 687-2504 · Fax (202) 687-0694
Fax(202) 687-0694
Sole ProprietorNo
Enumeration DateSeptember 28, 2010
✔ NPI 1316256175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses✔ Licensed in MD · 04583✔ Licensed in NC · 3640
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.
Also ListedPsychologist · CounselingTaxonomy 103TC1900X · License 04583 (MD)
2115 WISCONSIN AVE NW, Washington, DC 20007

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dionne Smith Coker-appiah 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 Dionne Coker-appiah reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3,530 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 20

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

Counselor
2115 WISCONSIN AVE NW
WASHINGTON, DC 20007
Psychiatry & Neurology (Psychiatry)
2115 WISCONSIN AVE NW
WASHINGTON, DC 20007
Psychiatry & Neurology (Psychiatry)
2115 WISCONSIN AVE NW, SUITE 200
WASHINGTON, DC 20007
Student in an Organized Health Care Education/Training Program
2115 WISCONSIN AVE NW
WASHINGTON, DC 20007
Audiologist
2115 WISCONSIN AVE NW, SUITE 202
WASHINGTON, DC 20007
Clinical Neuropsychologist
2115 WISCONSIN AVE NW, SUITE 200
WASHINGTON, DC 20007
Social Worker (Clinical)
2115 WISCONSIN AVE NW
WASHINGTON, DC 20007
Social Worker (Clinical)
2115 WISCONSIN AVE NW
WASHINGTON, DC 20007

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 Dionne Coker-appiah's NPI number?

The NPI number for Dionne Coker-appiah is 1316256175. It was assigned to this individual provider in the NPPES registry on September 28, 2010.

Where is Dionne Coker-appiah located?

Dionne Coker-appiah practices at 2115 Wisconsin Ave NW Suite 200, Washington, DC 20007. The listed phone number is (202) 687-2504.

What is Dionne Coker-appiah's specialty?

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

Is Dionne Coker-appiah enrolled in Medicare?

Yes. Dionne Coker-appiah is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dionne Coker-appiah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dionne Coker-appiah reassigns Medicare benefits to Medstar Medical Group II LLC (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 Dionne Coker-appiah'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 Dionne Coker-appiah was last updated on September 28, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.