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

Crystal Sing Schaeffer, LCSW

Individual provider Clinical Social Worker · NPI 1801476395

Crystal Sing Schaeffer, LCSW is a Clinical Social Worker in Brooklyn, New York. Qualified in 2018, 8 years ago. Practices with Integrity Social Work Services LLC, a 74-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona, Florida and New York.

Years since qualifying
8
Licensed in
AZ, FL, NY
In the registry since
2021
Specialties on file
3
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

11 Granite St Apt 2B
Brooklyn, NY 11207-3369
Phone: (917) 924-0118
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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 101385 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence TPSW6537 (FL)
Clinical Social Worker Taxonomy 1041C0700X · Licence 23390 (AZ)

Record details

NPI number1801476395
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 9, 2021
Last updated in NPPESMay 8, 2026
Certification dateMay 8, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Integrity Social Work Services Llc — 74 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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