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ANTHONY LEONRAD MCDUFFIE I
NPI 1376322875
Counselor - Addiction (Substance Use Disorder) in Washington, DC

Active since September 25, 2023
1427 MARION BARRY AVE SE, WASHINGTON, DC 20020(202) 836-4841 Get Directions Write a Review

NPPES record last updated: June 2, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 2, 2025, Jul 19, 2024 (2 updates tracked since 2024).

About Anthony Leonrad Mcduffie I NPPES

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

ANTHONY LEONRAD MCDUFFIE I (NPI 1376322875) is an individual addiction (substance use disorder) provider in Washington, District Of Columbia and active in the NPI registry since September 2023.

NPPES Registry Identity

NPI1376322875
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameANTHONY LEONRAD MCDUFFIE I
Location Address1427 MARION BARRY AVE SEWashington, DC 20020-5614
Mailing Address307 T St NwWashington, DC 20001-1842 · (202) 650-7044
Phone(202) 836-4841
Sole ProprietorYes
Enumeration DateSeptember 25, 2023
Last NPPES UpdateJune 2, 20252 updates tracked since enumeration
NPPES CertifiedJune 2, 2025
✔ NPI 1376322875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
Also ListedPeer SpecialistTaxonomy 175T00000X
1427 MARION BARRY AVE SE, Washington, DC 20020
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Other Providers at the Same Location NPPES 15

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

SYLVIA EBONG
Case Manager/Care Coordinator
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841
ALEXIS FANGDA NKWADI
Home Health Aide
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841
ANTOINETTE PEGGY JONES LGSW
Social Worker
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841
BRITTNEY HEAD
Case Manager/Care Coordinator
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841
MARIA NGENYI NJUNKENG
Social Worker
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841
NORA ECHEDIM NCHE I
Case Manager/Care Coordinator
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841
JADA SIMPSON
Case Manager/Care Coordinator
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (240) 603-8851
MRS. ALICE AFOR ASHU NP
Nurse Practitioner (Psychiatric/Mental Health)
1427 MARION BARRY AVE SE
WASHINGTON, DC 20020
District of Columbia (202) 836-4841

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 Anthony Mcduffie's NPI number?

The NPI number for Anthony Mcduffie is 1376322875. It was assigned to this individual provider in the NPPES registry on September 25, 2023.

Where is Anthony Mcduffie located?

Anthony Mcduffie practices at 1427 Marion Barry Ave SE, Washington, DC 20020. The listed phone number is (202) 836-4841.

What is Anthony Mcduffie's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Anthony Mcduffie was last updated on June 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.