NPPES file of Aug 9, 2026

Stephen Chang, M.D.

Diagnostic Radiology Physician · Mesa, AZ

Stephen Chang, M.D. is a diagnostic radiology physician with a practice address in Mesa, Arizona, and NPI 1568451284, issued on Oct 14, 2005. Check the license (Arizona 32493, as entered in NPPES) on the Arizona Medical Board; 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
1568451284
Name
Stephen Chang
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
32493 AZ
Self-reported in NPPES; status is on the state search
Practice location
6424 E Broadway RD Ste 101, Mesa, AZ 85206
Phone
(480) 456-9000
Enumerated
Oct 14, 2005
Record last updated
Jan 31, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
858681 AZ
Medicare enrollment
Enrolled (PECOS I20250422003733); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1998
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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Also registered at 6424 E Broadway RD Ste 101

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

  1. Laura Baron, MDDiagnostic Radiology Physician1619016615
  2. Jared Criddle, M.D.Diagnostic Radiology Physician1235364803
  3. Robert Crowder, MDDiagnostic Radiology Physician1649536376
  4. Anh Dao, M.D.Body Imaging Physician1326279738
  5. Christopher Davis, PA-CPhysician Assistant1659457281
  6. Caryn Doudna, M.D.Diagnostic Radiology Physician1669461380

Verify Stephen Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 32493    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
Open 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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Bills Medicare through 9 group practices

  1. Cache Valley VeinScottsdale, AZ
  2. Golden State Imaging Associates IncScottsdale, AZ
  3. Imaging Associates OF New Mexico LLCScottsdale, AZ
  4. Medical Imaging Associates OF Idaho Falls IncScottsdale, AZ
  5. Mountain Radiology IncScottsdale, AZ
  6. Silicon Valley Diagnostic Imaging IncScottsdale, AZ
  7. Singleton Associates PAScottsdale, AZ
  8. Sonoran Radiology LtdSun City, AZ
  9. Yampa Valley Medical CenterSteamboat Spr, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diagnostic Radiology Physician providers in Arizona

There are 869 diagnostic radiology physician records in Arizona.

All 869 in Arizona → Every provider in Mesa →

Other diagnostic radiology physician records in Arizona

  1. Asmaa Aamir, M.D.Phoenix, AZ1912163791
  2. Abdelrahman AbdallaTucson, AZ1457139339
  3. Thomas Abram, MDTucson, AZ1023089158
  4. William Acker, M.D.Phoenix, AZ1730168162
  5. Cameron AdlerScottsdale, AZ1205298411
  6. Shalini Agarwal, M.D.Phoenix, AZ1083671242
  7. Ayad Agha, D.O.Prescott, AZ1730113903
  8. Scott Agran, M.D.Phoenix, AZ1053389957
  9. Imtiaz Ahmed, MDPhoenix, AZ1881776821
  10. Martin Ainbinder, M.D.Scottsdale, AZ1407814825

Common questions

What is Stephen Chang, M.D.'s NPI number?

Stephen Chang, M.D.'s National Provider Identifier (NPI) is 1568451284, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Chang, M.D. located?

The NPPES record lists a practice address at 6424 E Broadway RD Ste 101, Mesa, AZ, 85206. Phone: (480) 456-9000. Providers update this record themselves, so call before visiting.

How can I verify Stephen Chang, M.D.'s license?

NPPES lists Arizona license number 32493, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.