NPPES file of Aug 9, 2026

William Andrew Haug, M.D.

Pediatrics Physician · Phoenix, AZ

William Andrew Haug, M.D. is a pediatrics physician with a practice address in Phoenix, Arizona, and NPI 1235115908, issued on Dec 15, 2005. Check the license (Arizona 34744, 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
1235115908
Name
William Andrew Haug
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
34744 AZ
A80164 CA
Self-reported in NPPES; status is on the state search
Practice location
4212 N 16TH St, Phoenix, AZ 85016
Phone
(602) 263-1200
Enumerated
Dec 15, 2005
Record last updated
May 21, 2026
Fax
(602) 263-1619
Medicaid ID
162542 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 4212 N 16TH St

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

  1. Andrea Aarseth, RNCritical Care Medicine Registered Nurse1235297292
  2. Deirdre Abellada, RN, PHNRegistered Nurse1710259395
  3. Joby Abraham, RNRegistered Nurse1376814046
  4. Frederick Abramek, MS, PHARMACISTPharmacist1528278736
  5. Karen AcostaRegistered Nurse1659748671
  6. Danton AdairRegistered Nurse1114387917

Verify William Andrew Haug in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 34744
    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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William Andrew Haug among 1,309 pediatrics physician records in Arizona

William Andrew Haug, M.D. is one of 1,309 pediatrics physician records with a practice address in Arizona. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileNo · 41% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

422 pediatrics physician records list a practice address in Phoenix

They are 422 of the 31,399 NPPES records with a practice address in Phoenix, and 1,309 pediatrics physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Paul Allen, M.D.Phoenix, AZ 850161437134681
  2. Grace Caputo, M.D.Phoenix, AZ 850161518920958
  3. Anastasia GentlesPhoenix, AZ 850161356343875
  4. Donna Holland, M.D.Phoenix, AZ 850161447210307
  5. Michelle Huddleston, MDPhoenix, AZ 850161164484200
  6. Hung Le, MDPhoenix, AZ 850161154313823
  7. Barbara Lednicky, MDPhoenix, AZ 850161356321962
  8. Tara-Lee Lefkowitz, MDPhoenix, AZ 850161104896034

Common questions

What is William Andrew Haug, M.D.'s NPI number?

William Andrew Haug, M.D.'s National Provider Identifier (NPI) is 1235115908, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Andrew Haug, M.D. located?

The NPPES record lists a practice address at 4212 N 16TH St, Phoenix, AZ, 85016. Phone: (602) 263-1200. Providers update this record themselves, so call before visiting.

How can I verify William Andrew Haug, M.D.'s license?

NPPES lists Arizona license number 34744, 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.