Registry data as of Aug 27, 2026

John Williams

Urology Physician · Mesa, AZ

John Williams is a urology physician with a practice address in Mesa, Arizona, and NPI 1942797477, issued on Apr 19, 2018. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942797477
Name
John Williams
Primary taxonomy
Urology Physician 208800000X
Practice location
6116 E Arbor Ave, Mesa, AZ 85206
Phone
(480) 219-1010
Enumerated
Apr 19, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6116 E Arbor Ave

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

  1. Rosemary Bloom, PASurgical Physician Assistant1083025423
  2. Carolyn Chu-Setterstrom, PA-CMedical Physician Assistant1821287038
  3. Victor Sein, DOInternal Medicine Physician1508882572
  4. Zellman Skloven, M.D.Cardiovascular Disease Physician1386615680
  5. Mary Jo Stucky-Heil, APRNAdult Health Nurse Practitioner1447271564
  6. Timothy Walker, M.D.Specialist1114999562

Verify John Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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.

50% fewer Medicare Part D claims than the average urology physician in 2024

676 Medicare Part D claims for 259 beneficiaries, against an average of 1,354 among the 9,936 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. John Williams676
  2. Specialty average1,354

Most prescribed

  1. Tamsulosin Hcl164 claims
  2. Finasteride77 claims
  3. Pentoxifylline56 claims
  4. Myrbetriq54 claims
  5. Silodosin27 claims
  6. Testosterone Cypionate26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $4,108.82

60 payments, mostly food and beverage; the largest payer was Coloplast Corp. The 8,628 providers of this specialty with any payment received $3,864.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Williams$4,108.82
  2. Specialty average$3,864.61

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

One hospital or facility affiliation

  1. East Valley Urology Center PLCMesa, AZ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Urology Physician providers in Arizona

There are 264 urology physician records in Arizona.

Other urology physician records in Arizona

  1. Haidar Abdul-Muhsin, M.B.CH.B.Scottsdale, AZ1356755250
  2. Jonathan Agins, MDGoodyear, AZ1316997687
  3. Kian Ahmadieh, MDGilbert, AZ1932697190
  4. Bernice Alcanzo, MDTucson, AZ1629822424
  5. Erik Alexander, MDScottsdale, AZ1073590014
  6. Kashif Alvi, MDMesa, AZ1407982887
  7. Andrew Amenyogbe, MDPhoenix, AZ1891674198
  8. Jack Andrews, M.D.Phoenix, AZ1396190336
  9. Paul Andrews, M.D.Phoenix, AZ1710962345
  10. Luis Argueso, M.D.Phoenix, AZ1750361879

Common questions

What is John Williams's NPI number?

John Williams's National Provider Identifier (NPI) is 1942797477, issued on Apr 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is John Williams located?

The NPPES record lists a practice address at 6116 E Arbor Ave, Mesa, AZ, 85206. Phone: (480) 219-1010. Providers update this record themselves, so call before visiting.

How can I verify John Williams's license?

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.

How much does John Williams prescribe under Medicare Part D?

In 2024, John Williams had 676 Medicare Part D claims for 259 beneficiaries; the average among urology physician prescribers was 1,354. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.