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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1548858848

MS. Lissa Ann Grossman, LCSW is a Clinical Social Worker in Norwalk, Connecticut. Qualified in 2000, 26 years ago. Practices with Step Up Care PC LLC, a 175-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
26
Licensed in
NY
In the registry since
2021
Specialties on file
2
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

77 Sunrise Hill Rd
Norwalk, CT 06851-2113
Phone: (917) 658-9589
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 075300-01 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 17214 (NY)

Record details

NPI number1548858848
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 4, 2021
Last updated in NPPESJanuary 4, 2021
Certification dateJanuary 4, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Step Up Care Pc Llc — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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