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

Katherine Twitchell, LCSW

Individual provider Clinical Social Worker · NPI 1992358147

Katherine Twitchell, LCSW is a Clinical Social Worker in New York, New York. Qualified in 2016, 10 years ago. Licensed in New York.

Years since qualifying
10
Licensed in
NY
In the registry since
2019
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

227 Madison St Fl 5
New York, NY 10002-7537
Phone: (212) 238-7350
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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 099724 (NY)

Record details

NPI number1992358147
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 17, 2019
Last updated in NPPESSeptember 22, 2025
Certification dateSeptember 22, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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