Mariann Tosi
NPI 1164756946 · Mental Health Counselor · Quincy, MA
Mariann Tosi is a Mental Health Counselor provider in Quincy, MA (NPI 1164756946).
Provider details
- NPI number
- 1164756946
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
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
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-09-25
- Last updated
- 2009-09-25
Frequently asked questions
- What is Mariann Tosi's NPI number?
- Mariann Tosi's National Provider Identifier (NPI) is 1164756946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariann Tosi's specialty?
- Mariann Tosi is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mariann Tosi located?
- Mariann Tosi's practice location on file with NPPES is 13 Temple St, Quincy, MA 02169-5110.
- What is Mariann Tosi's phone number?
- The practice phone number listed in the NPPES registry for Mariann Tosi is (617) 471-8400.
- Is Mariann Tosi's NPI active?
- Yes — Mariann Tosi's NPI (1164756946) is active in the NPPES registry as of the last update on 2009-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.