NPPES file of Aug 9, 2026

Maureen Lassen, PH.D.

Clinical Psychologist · Mesa, AZ

Maureen Lassen, PH.D. is a clinical psychologist with a practice address in Mesa, Arizona, and NPI 1275687725, issued on Jan 22, 2007. Check the license (Arizona 691, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275687725
Name
Maureen Lassen
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
691 AZ
Self-reported in NPPES; status is on the state search
Practice location
1234 S Power RD, Mesa, AZ 85206
Phone
(480) 785-0525
Enumerated
Jan 22, 2007
Record last updated
Dec 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(480) 656-4528
Medicare enrollment
Enrolled (PECOS I20050324001297); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 841 in Arizona → Look up another NPI →

Also registered at 1234 S Power RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melissa Blanchard, M.ED.Addiction (Substance Use Disorder) Counselor1326032467
  2. Marco Cuyar, MS, LPC, LISAC, NCCProfessional Counselor1306832704
  3. Sohrab Gandomi, PH.D.Mental Health Counselor1477566933
  4. Jeffrey Korn, D.C.Chiropractor1619073350
  5. Quentin Smith, D.C.Pain Medicine Physician1104282516

Verify Maureen Lassen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 691    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Maureen Lassen among 841 clinical psychologist records in Arizona

Maureen Lassen, PH.D. is one of 841 clinical psychologist records with a practice address in Arizona. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 26% of them.

  • NPI issued2007 · 26% of these records are older, 58% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated1974 · median 2007 among the 200 with a school on file
  • Record last updated2019 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Arizona

There are 841 clinical psychologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 841 in Arizona → Every provider in Mesa → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Kristine Brazzel, PSY.D., LPCMesa, AZ 852061063551166
  2. Ginger Carlson, PHDMesa, AZ 852061881722692
  3. Glenn Clouse, PSY.D.Mesa, AZ 852061760697908
  4. Robyn Hall, PSY.D.Mesa, AZ 852061376024737
  5. Rachel Jensen, PHDMesa, AZ 852061073292462
  6. Jamie Kenney, PH.D.Mesa, AZ 852061881754869
  7. Michael Volrich, PSY.D.Mesa, AZ 852061386305159
  8. Julio Angulo, PH.D.Mesa, AZ 852041144439852

Common questions

What is Maureen Lassen, PH.D.'s NPI number?

Maureen Lassen, PH.D.'s National Provider Identifier (NPI) is 1275687725, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Maureen Lassen, PH.D. located?

The NPPES record lists a practice address at 1234 S Power RD, Mesa, AZ, 85206. Phone: (480) 785-0525. Providers update this record themselves, so call before visiting.

How can I verify Maureen Lassen, PH.D.'s license?

NPPES lists Arizona license number 691, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.