Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Clarence Willaims V

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1538389267

Clarence Willaims V is an Addiction (Substance Use Disorder) Counselor in Commack, New York. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

155 Indian Head Rd
Commack, NY 11725-2212
Phone: (631) 543-6200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1538389267
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 26, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1dark Hollow Rd., Apt. 1b, Port Jefferson, NY 11777

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