Tanja Larsen, LCSW
NPI 1609977685 · Clinical Social Worker · Manchester, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanja Larsen, LCSW is a Clinical Social Worker provider in Manchester, CT (NPI 1609977685).
Provider details
- NPI number
- 1609977685
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 005018 (CT)
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
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
- 2006-09-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Tanja Larsen's NPI number?
- Tanja Larsen's National Provider Identifier (NPI) is 1609977685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanja Larsen's specialty?
- Tanja Larsen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tanja Larsen located?
- Tanja Larsen's practice location on file with NPPES is 317 N Main St, Manchester, CT 06042-2007.
- What is Tanja Larsen's phone number?
- The practice phone number listed in the NPPES registry for Tanja Larsen is (860) 643-2101.
- Does Tanja Larsen accept Medicare?
- Tanja Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanja Larsen's NPI active?
- Yes — Tanja Larsen's NPI (1609977685) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.