Ann Marie Mackinnon, LICSW
NPI 1134212996 · Clinical Social Worker · Marshfield, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Marie Mackinnon, LICSW is a Clinical Social Worker provider in Marshfield, MA (NPI 1134212996).
Provider details
- NPI number
- 1134212996
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
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
19 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
- 2006-10-02
- Last updated
- 2022-07-21
Frequently asked questions
- What is Ann Marie Mackinnon's NPI number?
- Ann Marie Mackinnon's National Provider Identifier (NPI) is 1134212996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Marie Mackinnon's specialty?
- Ann Marie Mackinnon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ann Marie Mackinnon located?
- Ann Marie Mackinnon's practice location on file with NPPES is 475 School Street Suite 14-17, Marshfield, MA 02050.
- What is Ann Marie Mackinnon's phone number?
- The practice phone number listed in the NPPES registry for Ann Marie Mackinnon is (781) 834-0747.
- Does Ann Marie Mackinnon accept Medicare?
- Ann Marie Mackinnon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Marie Mackinnon's NPI active?
- Yes — Ann Marie Mackinnon's NPI (1134212996) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.