Maureen Lassen, PH.D.

Clinical Psychologist

Maureen Lassen is a Clinical Psychologist based in Mesa, AZ with over 52 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Maureen Lassen, PH.D. runs an independent clinical psychologist practice in Mesa, AZ. She has been in practice for 52+ years. She regularly sees Medicare patients with high cholesterol, mood disorders, and depression (per CMS claims data).

1 of 94 Psychologist providers in AZSee all Psychologist in Mesa52+ years experienceNPI since 2007

Older · 2346dNPPES updated 2019-12-20 · verify NPI on CMS · Verify license at Arizona Medical Board

Contact & Location

Practice Location

1234 S Power Rd Suite 254, Mesa, AZ 85206-3700

Fax: (480) 656-4528
CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

39

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, Mood Disorders, and Depression.

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Mood Disorders
75%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
72%

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

Anxiety Disorders
72%

Excessive worry or fear that interferes with daily life

Hypertension
69%

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

Arthritis
54%

Joint inflammation causing pain, swelling, and stiffness

Osteoporosis
36%

Weakened bones that are more prone to fractures, common in older adults

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. Board certified · Dec 19, 2019

    Self-reported via NPPES

  2. 52 years in practice

    Senior practitioner

PsychologistBehavioral Health & Social Service Providers

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Taxonomy: 103TC0700X

Virtual Psychology Care With Maureen Lassen

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

Schedule a virtual visit with Maureen Lassen for cholesterol management, mood disorder follow-ups, depression management — no travel to Mesa 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 Maureen Lassen

Dr. Lassen is listed as active in the NPI registry with telehealth listed in Mesa, AZ. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (480) 785-0525.

Verified across 3 federal data sources

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

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Claim Profile

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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