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Mental Health Counselor

Gabriela Kotliar

Sees patients in Waltham, MA · Massachusetts

Summary

Gabriela Kotliar is a mental health counselor at 151 Newton St, Waltham, MA 02453. Phone: (617) 924-1285. Accepts Medicare assignment. In 2024, Gabriela Kotliar had 15 Original Medicare patients and 411 services. NPI 1942221809. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Mental health counselor
  • Address: 151 Newton St, Waltham, MA 02453 · Directions
  • Phone: (617) 924‑1285
  • Medicare: Accepts Medicare assignment
  • Group practice: Artrelief LLC
  • School: graduated 2002
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gabriela Kotliar, 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 Gabriela Kotliar accept Medicare assignment?
Yes. Medicare's clinician data says Gabriela Kotliar 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.
How many Medicare patients does Gabriela Kotliar see?
In 2024, CMS data shows 15 Original Medicare patients and 411 services for Gabriela Kotliar. This counts Original Medicare only and measures volume, not quality.
What is Gabriela Kotliar's NPI number?
1942221809. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gabriela Kotliar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients15
Services billed to Medicare411
Different services or procedures6
Participating Medicare providerYes
Average age of these patients58

Most frequent services

  1. Psychiatric diagnostic evaluation (90791)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Anxiety75%

Practice locations

Addresses where Gabriela Kotliar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gabriela Kotliar as a member of this group (CMS data updated October 2, 2026).

  • Artrelief LLC2 clinicians in the group

Specialties

Find other clinicians: Mental Health Counselor, Massachusetts →

Other mental health counselors in Waltham

Clinicians with the same Medicare primary specialty in Waltham, MA — not a recommendation.

All mental health counselors in Waltham →

Other clinicians in Artrelief LLC

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

Clinician information

Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1942221809
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians