NPPES file of Aug 9, 2026

William James Cowden, M.D.

Surgery Physician · Phoenix, AZ

William James Cowden, M.D. is a surgery physician with a practice address in Phoenix, Arizona, and NPI 1033384904, issued on Apr 23, 2008. Check the license (Arizona 63152, 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
1033384904
Name
William James Cowden
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
63152 AZ
036-123225 IL
Self-reported in NPPES; status is on the state search
Practice location
2929 E Thomas RD, Phoenix, AZ 85016
Phone
(602) 470-5000
Enumerated
Apr 23, 2008
Record last updated
Oct 17, 2024
Fax
(815) 964-3134
Medicare enrollment
Enrolled (PECOS I20220610000772); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2004
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.
Download card Updates feed

8 nearest surgery physician records → All 760 in Arizona → Look up another NPI →

Also registered at 2929 E Thomas RD

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

  1. Khushboo Agrawal-Patel, MDRetina Specialist (Ophthalmology) Physician1184853913
  2. Murtaza AkhterEmergency Medicine Physician1093032351
  3. Georgina Amaya, FNPFamily Nurse Practitioner1215400478
  4. Megan Aros-O'Malley, PHDPsychologist1831637297
  5. Dawn Barcellona, MDPediatrics Physician1184739252
  6. Alyssa Bramble, PA-CSurgical Physician Assistant1316401219

Verify William James Cowden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 63152    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. District Medical Group IncPhoenix, AZ

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

William James Cowden among 760 surgery physician records in Arizona

William James Cowden, M.D. is one of 760 surgery physician records with a practice address in Arizona. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 48% of them.

  • NPI issued2008 · 48% of these records are older, 47% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2004 · median 2006 among the 401 with a school on file
  • Record last updated2024 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Arizona

There are 760 surgery physician records in Arizona.

All 760 in Arizona → Every provider in Phoenix → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Donna Carman, MDPhoenix, AZ 850161750474391
  2. Matthew Cusick, M.D.Phoenix, AZ 850161275743270
  3. Rodney Fritchley, M.D.Phoenix, AZ 850161770677106
  4. Maxine Gerken, MDPhoenix, AZ 850161518966035
  5. Tanja Gunsberger, DOPhoenix, AZ 850161124220397
  6. Soo Han, MDPhoenix, AZ 850161457779811
  7. Terrence Jones, M.D., PH.D.Phoenix, AZ 850161639288525
  8. Jennefer Kieran, MDPhoenix, AZ 850161609962562

Common questions

What is William James Cowden, M.D.'s NPI number?

William James Cowden, M.D.'s National Provider Identifier (NPI) is 1033384904, issued on Apr 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William James Cowden, M.D. located?

The NPPES record lists a practice address at 2929 E Thomas RD, Phoenix, AZ, 85016. Phone: (602) 470-5000. Providers update this record themselves, so call before visiting.

How can I verify William James Cowden, M.D.'s license?

NPPES lists Arizona license number 63152, 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.