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

Organization Mental Health Counselor · NPI 1538931027

Base Matter Psychotherapy LCSW PLLC is a Mental Health Counselor in New York, New York. Works from 2 locations. Registered with an NPI since 2023.

In the registry since
2023
Specialties on file
4
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

303 5th Ave Rm 1509
New York, NY 10016-6656
Phone: (718) 275-9667
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 353 Lexington Ave # 503, New York, NY 10016-0941 — (718) 868-2123

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X
Mental Health Counselor Taxonomy 101YM0800X
Psychoanalyst Taxonomy 102L00000X
Social Worker Taxonomy 104100000X

Record details

NPI number1538931027
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Royce Froehlich — Owner · (718) 275-0667
NPI enumeratedOctober 27, 2023
Last updated in NPPESOctober 27, 2023
Certification dateOctober 27, 2023
Mailing address303 5th Ave Rm 1509, New York, NY 10016-6656

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