NPPES file of Aug 9, 2026

Steve Won-Tze Chang, MD

Neurological Surgery Physician · Chandler, AZ

Steve Won-Tze Chang, MD is a neurological surgery physician with a practice address in Chandler, Arizona, and NPI 1154501294, issued on Nov 6, 2007. Check the license (Arizona 42069, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154501294
Name
Steve Won-Tze Chang
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
42069 AZ
Self-reported in NPPES; status is on the state search
Practice location
1875 W Frye RD Ste 300, Chandler, AZ 85224
Phone
(602) 406-3112
Enumerated
Nov 6, 2007
Record last updated
May 8, 2025
Fax
(602) 406-4187
Medicaid ID
434630 AZ
Medicare enrollment
Enrolled (PECOS I20090713000190); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2002
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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Also registered at 1875 W Frye RD Ste 300

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

  1. Robin Adamson, PA-CMedical Physician Assistant1649220401
  2. Kaith Almefty, MDNeurological Surgery Physician1750518627
  3. Krista Autuori, PA-CSurgical Physician Assistant1952772444
  4. Tsinsue Chen, M.D.Neurological Surgery Physician1396031217
  5. Leah Emami, ACNPNurse Practitioner1760894489
  6. David Fusco, MDNeurological Surgery Physician1659551687

Verify Steve Won-Tze Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 42069
    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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Industry payments in 2024: $69,738.63

16 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steve Chang$69,739
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Neurosurgical Associates LtdPhoenix, AZ

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

Steve Won-Tze Chang among 198 neurological surgery physician records in Arizona

Steve Won-Tze Chang, MD is one of 198 neurological surgery physician records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.

  • NPI issued2007 · 36% of these records are older, 53% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 124 with a school on file
  • Record last updated2025 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Arizona

There are 198 neurological surgery physician records in Arizona.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Kaith Almefty, MDChandler, AZ 852241750518627
  2. Tsinsue Chen, M.D.Chandler, AZ 852241396031217
  3. David Fusco, MDChandler, AZ 852241659551687
  4. Mark Garrett, M.D.Chandler, AZ 852241669652699
  5. Taro Kaibara, MDChandler, AZ 852241467417444
  6. Farrukh Qureshi, M.DChandler, AZ 852241679511158
  7. Richard Williamson, MDChandler, AZ 852241609040609
  8. Robert Koffie, MDGilbert, AZ 852331760744460

Common questions

What is Steve Won-Tze Chang, MD's NPI number?

Steve Won-Tze Chang, MD's National Provider Identifier (NPI) is 1154501294, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Steve Won-Tze Chang, MD located?

The NPPES record lists a practice address at 1875 W Frye RD Ste 300, Chandler, AZ, 85224. Phone: (602) 406-3112. Providers update this record themselves, so call before visiting.

How can I verify Steve Won-Tze Chang, MD's license?

NPPES lists Arizona license number 42069, 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.

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.