Comprehensive Outpatient Services Inc.
NPI 1770541948 · Mental Health Counselor · Chelmsford, MA
Comprehensive Outpatient Services Inc. is a Mental Health Counselor organization in Chelmsford, MA (NPI 1770541948).
Provider details
- NPI number
- 1770541948
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Bruce Mermelstein, President(617) 527-4610
- License
- 4196 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2013-06-07
Frequently asked questions
- What is Comprehensive Outpatient Services Inc.'s NPI number?
- Comprehensive Outpatient Services Inc.'s National Provider Identifier (NPI) is 1770541948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Comprehensive Outpatient Services Inc.?
- Comprehensive Outpatient Services Inc. is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Comprehensive Outpatient Services Inc. located?
- Comprehensive Outpatient Services Inc.'s practice location on file with NPPES is 2 Courthouse Ln, Chelmsford, MA 01824-1715.
- What is Comprehensive Outpatient Services Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Comprehensive Outpatient Services Inc. is (978) 275-9444.
- Who is the authorized official for Comprehensive Outpatient Services Inc.?
- The authorized official listed on Comprehensive Outpatient Services Inc.'s NPPES record is Bruce Mermelstein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Comprehensive Outpatient Services Inc.'s NPI active?
- Yes — Comprehensive Outpatient Services Inc.'s NPI (1770541948) is active in the NPPES registry as of the last update on 2013-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.