Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1235115908 Individual Practitioner Male Practitioner

Dr. William Andrew Haug , MD

Pediatrics • Phoenix, AZ

Professional Overview & Biography Verified Profile Summary

Dr. William Haug, MD is a registered healthcare professional specializing in Pediatrics in Phoenix, AZ. Practice services are available at 4212 N 16TH ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4212 N 16th St

Phoenix, AZ 850165319

Telephone 6022631200
Fax 6022631619
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Phoenix, AZ

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 14.4 Yrs
State Avg: 23.5 Yrs
Regional Practice Density
440 Specialists

Practicing in Phoenix, AZ (1353 Statewide)

Telehealth Adoption Rate
0.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-05-21
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License AZ 34744

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.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License CA A80164

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
162542 (AZ)
Commercial Insurance / Payer ID Bluecross Blue Shield
AZ0913020 (AZ)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Wendy Razo

Registered Nurse - Obstetric, High-Risk

NPI 1003045329
Thomas Hall , RN

Registered Nurse

NPI 1003138942

Registered Nurse

Dr. Umar Iqbal , MD

Family Medicine

NPI 1003170077

Doctor of Medicine (M.D.)

Sharla Wyatt , RN

Registered Nurse

NPI 1003208299

Registered Nurse

NPI 1003240318

Doctor of Pharmacy (Pharm.D.)

Laura Molander

Pharmacist

NPI 1003283623

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
📍
Updated Practice Location May 21, 2026

Registered at 4212 N 16TH ST, PHOENIX, AZ 850165319 (Tel: 6022631200)

📍
Updated Business Mailing Address May 21, 2026

Registered at PO BOX 95460, CLEVELAND, OH 441010033 (Tel: 6025816080)

📍
Updated Practice Location April 22, 2019

Registered at PIMC-4212 N 16TH STREET, PHOENIX, AZ 850165319 (Tel: 6022631200)

📍
Updated Business Mailing Address April 22, 2019

Registered at PO BOX 31001-0698, PASADENA, CA 911100698 (Tel: 6022631200)

NPI Profile Active September 11, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location September 11, 2013

Registered at 7700 MORRO RD, ATASCADERO, CA 934224435 (Tel: 8054666622)

📍
Updated Business Mailing Address September 11, 2013

Registered at PO BOX 1257, TEMPLETON, CA 934651257 (Tel: 8056102656)

👤
Provider Name / Credentials Updated September 11, 2013

Recorded as WILLIAM HAUG, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2013

Pediatrics (License #34744 in AZ)

🟢
Initial NPI Registration & Enumeration December 15, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1235115908
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 15, 2005
Last Update: May 21, 2026
Sole Proprietor: Yes

Mailing Address

Po Box 95460

Cleveland, OH 441010033

Phone: 6025816080

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.