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Mental Health Counselor

Jennifer L. Kollar

Sees patients in Hamden, CT · Connecticut

Summary

Jennifer L. Kollar is a mental health counselor at 3190 Whitney Ave, Bldg 6, Hamden, CT 06518. Phone: (203) 245-0412. Accepts Medicare assignment. NPI 1912226424. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Mental health counselor
  • Address: 3190 Whitney Ave, Bldg 6, Hamden, CT 06518 · Directions
  • Phone: (203) 245‑0412
  • Medicare: Accepts Medicare assignment
  • Group practice: Waterstone Counseling Center LLC
  • School: graduated 2005
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer L. Kollar, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer L. Kollar accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer L. Kollar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Jennifer L. Kollar's NPI number?
1912226424. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jennifer L. Kollar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer L. Kollar as a member of this group (CMS data updated October 2, 2026).

  • Waterstone Counseling Center LLC10 clinicians in the group

Specialties

Find other clinicians: Mental Health Counselor, Connecticut →

Other mental health counselors in Hamden

Clinicians with the same Medicare primary specialty in Hamden, CT — not a recommendation.

All mental health counselors in Hamden →

Other clinicians in Waterstone Counseling Center LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912226424
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians