Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Ato Williams, LCSW, CASAC-MC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1427590447

Mr. Ato Williams, LCSW, CASAC-MC is a Clinical Social Worker in Middletown, New York. Qualified in 2016, 10 years ago. Practices with Interborough Developmental and Consultation Center Inc, a 152-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
10
Licensed in
NY
In the registry since
2016
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

10 Avoncroft Ln
Middletown, NY 10940
Phone: (347) 206-5699
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 093968 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 29696 (NY)

Record details

NPI number1427590447
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , CASAC-MC
Sole proprietorNo
NPI enumeratedNovember 8, 2016
Last updated in NPPESApril 12, 2024
Certification dateMarch 28, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Interborough Developmental And Consultation Center Inc — 152 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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