Doctor profile · Federal record
Dr. Maureen Lassen, PH.D.
Clinical Psychologist · Mesa, AZ
- NPI 1275687725
- Accepts Medicare
- 52 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1234 S Power RD, Suite 254
Mesa, AZ 852063700
(480) 785-0525
fax (480) 656-4528
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- December 20, 2019
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Arizona #691
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275687725. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
421
Distinct HCPCS
2
Medicare allowed
$60,043
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 405 | 36 | $142 | |
90791 |
Psychiatric diagnostic evaluation | 16 | 15 | $169 |
In context: peer comparison
Among 5 peers in Mesa Clinical Psychologist, average services per provider: 207. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Maureen Lassen's medical specialty?
Dr. Maureen Lassen practices Clinical Psychologist in Mesa, AZ.
Where does Dr. Maureen Lassen practice?
Dr. Maureen Lassen practices at 1234 S Power RD, Mesa, AZ 852063700. Office phone: 4807850525.
What is Dr. Maureen Lassen's NPI?
Dr. Maureen Lassen's National Provider Identifier (NPI) is 1275687725, issued by NPPES.
Does Dr. Maureen Lassen accept Medicare assignment?
Yes. Dr. Maureen Lassen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maureen Lassen commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.