DR. WILLIAM ANDREW HAUG M.D.
NPI 1235115908
Pediatrics in Phoenix, AZ

Q: What is William Haug's NPI number?

The NPI number for William Haug is 1235115908. It was assigned to this individual provider in the NPPES registry on December 15, 2005.

Q: What is William Haug's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for William Haug was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 15, 2005PECOS Enrolled

4212 N 16TH ST, PHOENIX, AZ 85016(602) 263-1200(602) 263-1619 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 21, 2026, Apr 22, 2019 (2 updates tracked since 2019).

On this page

About Dr. William Andrew Haug M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM ANDREW HAUG M.D. (NPI 1235115908) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (34744) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235115908

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. WILLIAM ANDREW HAUGCredential: M.D.

Location Address4212 N 16TH STPhoenix, AZ 85016-5319

Mailing AddressPo Box 95460Cleveland, OH 44101-0033 · (602) 581-6080 · Fax (602) 263-1619

Phone(602) 263-1200

Fax(602) 263-1619

Sole ProprietorYes

Enumeration DateDecember 15, 2005

Last NPPES UpdateMay 21, 20262 updates tracked since enumeration

NPPES CertifiedMay 21, 2026

✔ NPI 1235115908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

Licenses✔ Licensed in AZ · 34744✔ Licensed in CA · A80164

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

4212 N 16TH ST, Phoenix, AZ 85016

Open in Google Maps ↗

Other Identifiers 2

OtherAZ0913020AZ · Bluecross Blue Shield

Medicaid162542AZ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Andrew Haug M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WENDY RAZO

Registered Nurse (Obstetric, High-Risk)