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THOMAS DOBBS WILLIAMS MA
NPI 1336818228
Counselor - Mental Health in Washington, DC

Active since September 13, 2021Opted out of Medicare · through Nov 18, 2027
1801 CONNECTICUT AVE NW FL 3, WASHINGTON, DC 20009(919) 302-8919 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Thomas Dobbs Williams Ma NPPES

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

THOMAS DOBBS WILLIAMS MA (NPI 1336818228) is an individual mental health provider in Washington, District Of Columbia, licensed in District Of Columbia (PRC14764) and active in the NPI registry since September 2021. He has opted out of Medicare through November 18, 2027.

NPPES Registry Identity

NPI1336818228
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameTHOMAS DOBBS WILLIAMSCredential: MA
Location Address1801 CONNECTICUT AVE NW FL 3Washington, DC 20009-5700
Mailing Address5621 Macarthur Blvd NwWashington, DC 20016-5302 · (919) 302-8919
Phone(919) 302-8919
Sole ProprietorYes
Enumeration DateSeptember 13, 2021
NPPES CertifiedSeptember 13, 2021
✔ NPI 1336818228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses✔ Licensed in DC · PRC14764✔ Licensed in MD · LC6819
1801 CONNECTICUT AVE NW FL 3, Washington, DC 20009
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Thomas Dobbs Williams Ma has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 18, 2025 through November 18, 2027.

Opt-Out Effective DateNovember 18, 2025
Opt-Out In Effect ThroughNovember 18, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Thomas Williams's NPI number?

The NPI number for Thomas Williams is 1336818228. It was assigned to this individual provider in the NPPES registry on September 13, 2021.

Where is Thomas Williams located?

Thomas Williams practices at 1801 Connecticut Ave NW Fl 3, Washington, DC 20009. The listed phone number is (919) 302-8919.

What is Thomas Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Thomas Williams enrolled in Medicare?

No. Thomas Williams has opted out of Medicare through November 18, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Thomas Williams was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.