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

MS. Margaret Fitzgerald-Cowlishaw, LCSW

Individual provider Clinical Social Worker · NPI 1972529253

MS. Margaret Fitzgerald-Cowlishaw, LCSW is a Clinical Social Worker in East Islip, New York. Qualified in 1992, 34 years ago. Practices with Sunrise Counseling Center, Ltd, a 19-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
34
Licensed in
NY
In the registry since
2006
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

107 W Main St
East Islip, NY 11730-2337
Phone: (631) 666-1615
Fax: (631) 666-1709
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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 R045443 (NY)

Record details

NPI number1972529253
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 13, 2006
Last updated in NPPESMarch 17, 2026
Certification dateMarch 17, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Sunrise Counseling Center,Ltd — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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