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

Comprehensive Outpatient Services, Inc

Organization Counselor · NPI 1083742365

Comprehensive Outpatient Services, Inc is a Counselor in Fitchburg, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
Specialties on file
15
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

76 Summer St
Fitchburg, MA 01420-5783
Phone: (978) 345-6729
Fax: (978) 342-7503
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community/Behavioral Health Agency (primary) Taxonomy 251S00000X · Licence 4196 (MA)
Counselor Taxonomy 101Y00000X · Licence 4196 (MA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 4196 (MA)
Professional Counselor Taxonomy 101YP2500X · Licence 4196 (MA)
School Counselor Taxonomy 101YS0200X · Licence 4196 (MA)
Psychologist Taxonomy 103T00000X · Licence 4196 (MA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 4196 (MA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 4196 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 4196 (MA)
Family Psychologist Taxonomy 103TF0000X · Licence 4196 (MA)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence 4196 (MA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 4196 (MA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 4196 (MA)
Child & Adolescent Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0807X · Licence 4196 (MA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 4196 (MA)

Record details

NPI number1083742365
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationComprehensive Outpatient Services Inc
Authorized official Bruce Mermelstein — President · (617) 527-4610
Other names Riverfront Counseling Center
NPI enumeratedMarch 1, 2007
Last updated in NPPESAugust 16, 2013
Mailing address76 Summer St, Fitchburg, MA 01420-5783

Other providers in Fitchburg