Doctor profile · Federal record

Dr. Karen Lazar, PHD

Clinical Psychologist · Psychoanalyst · Clinical Child & Adolescent Psychologist · Health Psychologist · Montclair, NJ

  • NPI 1568583144
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
108 Orange RD
Montclair, NJ 070422133
(973) 746-9433
Additional location
301 S Livingston Ave, Acap/Suite 205
Livingston, NJ 070393932

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
June 5, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
New Jersey #35S100395500 · New York #000736-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568583144. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
250
Distinct HCPCS
1
Medicare allowed
$26,654
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 250 11 $107

In context: peer comparison

Among 3 peers in Montclair Clinical Psychologist, average services per provider: 258. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Lazar's medical specialty?
Dr. Karen Lazar practices Clinical Psychologist in Montclair, NJ.
Where does Dr. Karen Lazar practice?
Dr. Karen Lazar practices at 108 Orange RD, Montclair, NJ 070422133. Office phone: 9737469433.
What is Dr. Karen Lazar's NPI?
Dr. Karen Lazar's National Provider Identifier (NPI) is 1568583144, issued by NPPES.
Does Dr. Karen Lazar accept Medicare assignment?
Yes. Dr. Karen Lazar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Lazar commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 18, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›