Ruth Lijtmaer, PHD

Psychologist

Ruth Lijtmaer is a Psychologist based in Ridgewood, NJ with over 48 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(201) 445-5552Ridgewood, NJ
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 48 years in psychology, Ruth Lijtmaer, PHD is a long-established psychologist in Ridgewood. She graduated from New York University School of Medicine in 1978 and has 48+ years of clinical experience. Among her Medicare patients, common conditions include high cholesterol, depression, and anxiety (per CMS data).

1 of 172 Psychologist providers in NJSee all Psychologist in Ridgewood48+ years experienceNPI since 2007

Recent · 42dNPPES updated 2026-04-12 · verify NPI on CMS · Verify license at New Jersey State Board of Medical Examiners

Contact & Location

Practice Location

88 W Ridgewood Ave, Ridgewood, NJ 07450-3199

Fax: (201) 444-2598
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

26

Unique beneficiaries

Boutique practice

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Depression, and Anxiety Disorders.

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Depression
75%

A mood disorder causing persistent sadness and loss of interest in activities

Anxiety Disorders
75%

Excessive worry or fear that interferes with daily life

Mood Disorders
75%

Conditions affecting emotional state, including depression and bipolar disorder

Personality Disorders
75%

Patterns of thinking and behavior that differ significantly from social expectations

Arthritis
73%

Joint inflammation causing pain, swelling, and stiffness

Hypertension
62%

High blood pressure — a leading risk factor for heart disease and stroke

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1978

    Nyu Grossman School of Medicine

  2. 48 years in practice

    Senior practitioner

PsychologistBehavioral Health & Social Service Providers

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Taxonomy: 103T00000X

Education & Training

New York University School of Medicine (Class of 1978)

Virtual Psychology Care With Ruth Lijtmaer

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Ruth Lijtmaer for cholesterol management, depression management, anxiety counseling — no travel to Ridgewood required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Ruth Lijtmaer

Dr. Lijtmaer is listed as active in the NPI registry with telehealth listed in Ridgewood, NJ. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (201) 445-5552.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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