Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Brett Petersen, LMSW

Individual provider Clinical Social Worker · NPI 1063891638

Brett Petersen, LMSW is a Clinical Social Worker in Mesa, Arizona. Qualified in 2011, 15 years ago. Practices with Yuma Regional Medical Center, a 372-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
15
Licensed in
AZ
In the registry since
2015
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

4250 E Florian Ave Bldg #1
Mesa, AZ 85206-2797
Phone: (480) 844-1653
Fax: (480) 539-4979
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LMSW15582 (AZ)

Record details

NPI number1063891638
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedMay 28, 2015
Last updated in NPPESMay 28, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Yuma Regional Medical Center — 372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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