MAUREEN LASSEN PH.D.
NPI 1275687725
Psychologist - Clinical in Mesa, AZ

Active since January 22, 2007PECOS EnrolledAccepts Medicare Assignment
1234 S POWER RD, SUITE 254, MESA, AZ 85206(480) 785-0525(480) 656-4528 Get Directions Write a Review

NPPES record last updated: December 20, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 20, 2019, Sep 25, 2019, Jan 26, 2016 (3 updates tracked since 2016).

About Maureen Lassen Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAUREEN LASSEN PH.D. (NPI 1275687725) is an individual clinical provider in Mesa, Arizona, licensed in Arizona (691) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1974).

NPPES Registry Identity

NPI1275687725
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMAUREEN LASSENCredential: PH.D.
Location Address1234 S POWER RD, SUITE 254Mesa, AZ 85206-3700
Mailing Address1234 S Power Rd, Suite 254Mesa, AZ 85206-3700 · (480) 785-0525 · Fax (480) 656-4528
Fax(480) 656-4528
Sole ProprietorYes
Medical School CMSOtherGraduated 1974
Enumeration DateJanuary 22, 2007
Last NPPES UpdateDecember 20, 20193 updates tracked since enumeration
NPI 1275687725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in AZ · 691
Definition

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.

1234 S POWER RD, Mesa, AZ 85206

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Maureen Lassen Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850347527
PECOS Enrollment IDI20050324001297
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
286 services28 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pain Medicine (Pain Medicine)
1234 S POWER RD
MESA, AZ 85206
Counselor (Professional)
1234 S POWER RD, SUITE 201
MESA, AZ 85206
Counselor (Addiction (Substance Use Disorder))
1234 S POWER RD, #251
MESA, AZ 85206
Counselor (Mental Health)
1234 S POWER RD, SUITE # 207
MESA, AZ 85206
Psychologist (Clinical)
1234 S POWER RD, SUITE 254
MESA, AZ 85206
Chiropractor
1234 S POWER RD, 151
MESA, AZ 85206

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maureen Lassen's NPI number?

The NPI number for Maureen Lassen is 1275687725. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Maureen Lassen located?

Maureen Lassen practices at 1234 S Power Rd Suite 254, Mesa, AZ 85206. The listed phone number is (480) 785-0525.

What is Maureen Lassen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Maureen Lassen enrolled in Medicare?

Yes. Maureen Lassen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Maureen Lassen accept?

Health plans from UnitedHealthcare list Maureen Lassen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maureen Lassen was last updated on December 20, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.