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

Counseling Services of Long Island LCSW PC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1760982078

Counseling Services of Long Island LCSW PC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Massapequa, New York. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

54 Chicago Ave
Massapequa, NY 11758-4422
Phone: (516) 528-6712
Fax: (516) 804-0448
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X

Record details

NPI number1760982078
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Penny Siegmann-Beiner — Owner · (516) 528-6712
NPI enumeratedFebruary 14, 2018
Last updated in NPPESFebruary 14, 2018
Mailing address54 Chicago Ave, Massapequa, NY 11758-4422

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