NPPES file of Aug 9, 2026

William J. Austin, MD

Pediatrics Physician · Flagstaff, AZ

William J. Austin, MD is a pediatrics physician with a practice address in Flagstaff, Arizona, and NPI 1992892624, issued on Oct 6, 2006. Check the license (Arizona 4673, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1992892624
Name
William J. Austin
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
4673 AZ
Self-reported in NPPES; status is on the state search
Practice location
1200 N Beaver St, Flagstaff, AZ 86001
Phone
(928) 773-3956
Enumerated
Oct 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(928) 773-2286
Medicaid ID
201997 AZ
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 1200 N Beaver St

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

  1. Melissa Acquaviva, CRNACertified Registered Nurse Anesthetist1639238348
  2. Michelle Aerni, D.O.Critical Care Medicine (Anesthesiology) Physician1225014822
  3. Amit Agrawal, M.D.Neonatal-Perinatal Medicine Physician1306032701
  4. Muhammad Ali, MDCritical Care Medicine (Internal Medicine) Physician1801264353
  5. Kim AllenSpeech-Language Pathologist1356580484
  6. Bianca Anderson, MS, RDRegistered Dietitian1548609431

Verify William J. Austin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 4673
    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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Pediatrics Physician providers in Arizona

There are 1,309 pediatrics physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in Arizona

  1. Neil Aaron, MDTempe, AZ1477551083
  2. Alexa Aaronson, MDTucson, AZ1427793652
  3. Maria Abad, MDCasa Grande, AZ1295713741
  4. Sally Abdelmalek, MDMarana, AZ1952896839
  5. Yasmeen Abdulrahman, MDTucson, AZ1487322590
  6. Nicole Abdy, M.D.Tucson, AZ1669670634
  7. Joselita Abeleda, MDSierra Vista, AZ1346276482
  8. Yara Abu SalahTucson, AZ1952235061
  9. Stuart Adair, M.DSacaton, AZ1568497287
  10. Mary Adam, M.D., PHDNogales, AZ1508191016

Common questions

What is William J. Austin, MD's NPI number?

William J. Austin, MD's National Provider Identifier (NPI) is 1992892624, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William J. Austin, MD located?

The NPPES record lists a practice address at 1200 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 773-3956. Providers update this record themselves, so call before visiting.

How can I verify William J. Austin, MD's license?

NPPES lists Arizona license number 4673, 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. 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.