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

Denise Schindlar-Ahlgrim, LCSW

Individual provider Clinical Social Worker · NPI 1285835538

Denise Schindlar-Ahlgrim, LCSW is a Clinical Social Worker in Sayville, New York. Qualified in 1996, 30 years ago. Practices with Calm Seas Psychotherapy LCSW PLLC, a 5-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
30
Licensed in
NY
In the registry since
2007
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

4 Washington St
Sayville, NY 11782-2004
Phone: (631) 466-7190
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 091868-01 (NY)

Record details

NPI number1285835538
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 31, 2007
Last updated in NPPESSeptember 15, 2025
Certification dateSeptember 15, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Calm Seas Psychotherapy Lcsw Pllc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Sayville