Jennifer Kollar, M.A.
NPI 1912226424 · Addiction (Substance Use Disorder) Counselor · Willimantic, CT
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Kollar, M.A. is a Addiction (Substance Use Disorder) Counselor provider in Willimantic, CT (NPI 1912226424).
Provider details
- NPI number
- 1912226424
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
2 documented practice locations
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
Additional practice locations (1)
- 86 Bradley RdMadison, CT 06443-2644Phone: (203) 245-0412Fax: (203) 612-9030
Registry dates
- Enumerated
- 2010-05-24
- Last updated
- 2021-11-18
- Certified
- 2021-11-18
Frequently asked questions
- What is Jennifer Kollar's NPI number?
- Jennifer Kollar's National Provider Identifier (NPI) is 1912226424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Kollar's specialty?
- Jennifer Kollar is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jennifer Kollar located?
- Jennifer Kollar's practice location on file with NPPES is 433 Valley St, Willimantic, CT 06226-1901.
- What is Jennifer Kollar's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Kollar is (860) 456-7200.
- Does Jennifer Kollar accept Medicare?
- Jennifer Kollar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Kollar's NPI active?
- Yes — Jennifer Kollar's NPI (1912226424) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.