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MARYLINE F TOHNAIN CSW
NPI 1083318166
Social Worker in Washington, DC

Active since March 30, 2023
4545 42ND ST NW STE 211, WASHINGTON, DC 20016(202) 445-1287(703) 483-9928 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Mar 30, 2026, Mar 30, 2023 (2 updates tracked since 2023).

About Maryline F Tohnain Csw NPPES

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

MARYLINE F TOHNAIN CSW (NPI 1083318166) is an individual social worker in Washington, District Of Columbia and active in the NPI registry since March 2023. She maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1083318166
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARYLINE F TOHNAINCredential: CSW
Location Address4545 42ND ST NW STE 211Washington, DC 20016-4623
Mailing Address502 Kennedy Street NwWashington, Dc,, DC 20011 · (202) 313-7283
Phone(202) 445-1287
Fax(703) 483-9928
Sole ProprietorYes
Enumeration DateMarch 30, 2023
Last NPPES UpdateMarch 30, 20262 updates tracked since enumeration
NPPES CertifiedMarch 30, 2026
✔ NPI 1083318166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
4545 42ND ST NW STE 211, Washington, DC 20016
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Secondary Practice Location 1

Location 1502 Kennedy St NWWashington, DC 20011-3136 · Phone (202) 313-7283

Other Providers at the Same Location NPPES 4

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

DC SPEECH LANGUAGE & LITERACY CENTER LLC
Speech-Language Pathologist
4545 42ND ST NW STE 211
WASHINGTON, DC 20016
District of Columbia (202) 599-7518
SYLVIA MARIE GISLER M.S., CCC-SLP
Speech-Language Pathologist
4545 42ND ST NW STE 211
WASHINGTON, DC 20016
District of Columbia (202) 599-7518
AMANDA EISNER M.S., CF-SLP
Speech-Language Pathologist
4545 42ND ST NW STE 211
WASHINGTON, DC 20016
District of Columbia (202) 409-1786
SAMANTHA BOAS CCC-SLP
Speech-Language Pathologist
4545 42ND ST NW STE 211
WASHINGTON, DC 20016
District of Columbia (202) 409-1786

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 Maryline Tohnain's NPI number?

The NPI number for Maryline Tohnain is 1083318166. It was assigned to this individual provider in the NPPES registry on March 30, 2023.

Where is Maryline Tohnain located?

Maryline Tohnain practices at 4545 42nd St NW Ste 211, Washington, DC 20016. The listed phone number is (202) 445-1287.

What is Maryline Tohnain's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Maryline Tohnain was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.