NPPES file of Aug 9, 2026

Brett Petersen, LMSW

Clinical Social Worker · Mesa, AZ

Brett Petersen, LMSW is a clinical social worker with a practice address in Mesa, Arizona, and NPI 1063891638, issued on May 28, 2015. Check the license (Arizona LMSW15582, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1063891638
Name
Brett Petersen
Credential
LMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LMSW15582 AZ
Self-reported in NPPES; status is on the state search
Practice location
4250 E Florian Ave, Mesa, AZ 85206
Phone
(480) 844-1653
Enumerated
May 28, 2015
Record last updated
May 28, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(480) 539-4979
Medicare enrollment
Enrolled (PECOS I20231222001411); accepts Medicare assignment
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 social worker records → All 3,200 in Arizona → Look up another NPI →

Also registered at 4250 E Florian Ave

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

  1. Alice BranganCounselor1861701302
  2. Danielle ChinavareCounselor1407284201
  3. Christa Crohurst, LACCounselor1922544337
  4. Sharla Denton, BHPMental Health Counselor1699059006
  5. Denise Fogelstrom, LPCProfessional Counselor1316009343
  6. Andrea Fowler, B.A,Technician1649421991

Verify Brett Petersen 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 LMSW15582    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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One hospital affiliation

  1. Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Brett Petersen among 3,200 clinical social worker records in Arizona

Brett Petersen, LMSW is one of 3,200 clinical social worker records with a practice address in Arizona. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 45% of them.

  • NPI issued2015 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated2011 · median 2011 among the 648 with a school on file
  • Record last updated2015 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

195 clinical social worker records list a practice address in Mesa

They are 195 of the 9,151 NPPES records with a practice address in Mesa, and 3,200 clinical social worker records in Arizona.

All 3,200 in Arizona → Every provider in Mesa → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Lisa Browning, MSW LCSWMesa, AZ 852061063494318
  2. Tammy Cabrera, LCSWMesa, AZ 852061740501808
  3. Denise JaureguiMesa, AZ 852061114524816
  4. Rose Lichtenfels, LCSWMesa, AZ 852061144483934
  5. Shiloh Lundahl, LCSWMesa, AZ 852061891013777
  6. Cheryl Mathis, LCSW, LSCSWMesa, AZ 852061558560896
  7. Amy Montano, LCSWMesa, AZ 852061821268053
  8. Jennifer Nye, LMSWMesa, AZ 852061265021083

Common questions

What is Brett Petersen, LMSW's NPI number?

Brett Petersen, LMSW's National Provider Identifier (NPI) is 1063891638, issued on May 28, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Brett Petersen, LMSW located?

The NPPES record lists a practice address at 4250 E Florian Ave, Mesa, AZ, 85206. Phone: (480) 844-1653. Providers update this record themselves, so call before visiting.

How can I verify Brett Petersen, LMSW's license?

NPPES lists Arizona license number LMSW15582, 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. Medicare files from data.cms.gov. 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.