Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Deborah Guidetti-Gerwien, LCSW

Individual provider Clinical Social Worker · NPI 1821420563

Mrs. Deborah Guidetti-Gerwien, LCSW is a Clinical Social Worker in New Britain, Connecticut. Qualified in 1991, 35 years ago. Practices with Connecticut Mental Health Specialists Inc, a 66-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
35
Licensed in
CT
In the registry since
2013
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

90 Franklin Sq
New Britain, CT 06051-2607 Not confirmed with CMS for 13 years — call before visiting
Phone: (860) 225-3561
Fax: (860) 225-2558
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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 003931 (CT)

Record details

NPI number1821420563
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 5, 2013
Last updated in NPPESAugust 5, 2013

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Connecticut Mental Health Specialists Inc — 66 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients186
Services billed 2,352 a service is one billed item, such as a visit, a test or a procedure
Average patient age84

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Connecticut Mental Health Specialists Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 66 clinicians in the practice; 12 are shown here.

Other providers in New Britain