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MR. ROBIN B WILLIAMS MSW, LGSW
NPI 1568563534
Social Worker in Washington, DC

Active since September 25, 2006Opted out of Medicare · through Apr 1, 2027
1555 CONNECTICUT AVE NW STE 401, WASHINGTON, DC 20036(202) 330-5390(202) 204-6058 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mr. Robin B Williams Msw, Lgsw NPPES

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

MR. ROBIN B WILLIAMS MSW, LGSW (NPI 1568563534) is an individual social worker in Washington, District Of Columbia, licensed in District Of Columbia (LG50078355) and active in the NPI registry since September 2006. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1568563534
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. ROBIN B WILLIAMSCredential: MSW, LGSW
Location Address1555 CONNECTICUT AVE NW STE 401Washington, DC 20036-1124
Mailing Address1809 Biltmore St Nw Apt BWashington, DC 20009-1903 · (202) 330-5390 · Fax (202) 204-6058
Phone(202) 330-5390
Fax(202) 204-6058
Sole ProprietorYes
Enumeration DateSeptember 25, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1568563534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in DC · LG50078355
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.
1555 CONNECTICUT AVE NW STE 401, Washington, DC 20036
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Other Names 1

Professional Name (2)Mr. Rob Williams Msw, Lgsw

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mr. Robin B Williams Msw, Lgsw 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 April 1, 2019 through April 1, 2027.

Opt-Out Effective DateApril 1, 2019
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 6

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

TAMMI HOGAN LICSW
Social Worker (Clinical)
1555 CONNECTICUT AVE NW STE 401
WASHINGTON, DC 20036
District of Columbia (202) 688-5874
CYGNUS THERAPY PLLC
Counselor (Mental Health)
1555 CONNECTICUT AVE NW STE 401
WASHINGTON, DC 20036
District of Columbia (808) 291-9848
PAUL B SHEESLEY LCPC
Counselor (Professional)
1555 CONNECTICUT AVE NW STE 401
WASHINGTON, DC 20036
District of Columbia (410) 245-4547
DC RECOVERY COUNSELING LLC
Counselor (Professional)
1555 CONNECTICUT AVE NW STE 401
WASHINGTON, DC 20036
District of Columbia (202) 641-5172
SUSAN G. FAGO LICSW
Social Worker (Clinical)
1555 CONNECTICUT AVE NW STE 401
WASHINGTON, DC 20036
District of Columbia (202) 441-7240
DR. AUBREY BRUCE PHD
Psychologist (Counseling)
1555 CONNECTICUT AVE NW STE 401
WASHINGTON, DC 20036
District of Columbia (202) 505-3570

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 Robin Williams's NPI number?

The NPI number for Robin Williams is 1568563534. It was assigned to this individual provider in the NPPES registry on September 25, 2006. The provider is also known as Mr. Rob Williams Msw, Lgsw.

Where is Robin Williams located?

Robin Williams practices at 1555 Connecticut Ave NW Ste 401, Washington, DC 20036. The listed phone number is (202) 330-5390.

What is Robin Williams's specialty?

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

Is Robin Williams enrolled in Medicare?

No. Robin Williams has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Robin Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.