Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1255173019 Individual Practitioner Male Practitioner

William Tanner Daniell

Physician Assistant • Phoenix, AZ

Professional Overview & Biography Verified Profile Summary

William Daniell is a certified Physician Assistant practicing in Phoenix, AZ. With approximately 1 years of clinical experience since graduating from At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa in 2025, William Daniell delivers high-quality medical care to the local community at 18444 N 25TH AVE STE 210.

William Daniell does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

18444 N 25th Ave Ste 210

Phoenix, AZ 850231264

Telephone 8669742673
Fax 8669392673
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa

Graduation Year

2025

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Phoenix, AZ

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs -9.1 yrs vs City Avg
City Avg: 10.1 Yrs
State Avg: 12.5 Yrs
Regional Practice Density
938 Specialists

Practicing in Phoenix, AZ (3711 Statewide)

Telehealth Adoption Rate
14.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Daniell (1 Years) 1 Yrs
Phoenix Specialty Average (10.1 Years) 10.1 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-12-11
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License AZ 11442

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Practice Associates & Co-Workers

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

40 Associated Practitioners
Courtney Page , PA-C

Physician Assistant

NPI 1003439373

Physician Assistant (Certified)

Dr. Michelle Rumpel , DPT

Physical Therapist

NPI 1003455114

Doctor of Physical Therapy

Dr. Stephen Redding , MD

Orthopaedic Surgery

NPI 1003610742

Doctor of Medicine (M.D.)

Dr. Thomas Zdeblick , MD

Orthopaedic Surgery

NPI 1003870668

Doctor of Medicine (M.D.)

Dr. Jefferey Michaelson , MD

Orthopaedic Surgery

NPI 1003886342

Doctor of Medicine (M.D.)

Dr. Matthew Weichbrodt , DO

Orthopaedic Surgery - Hand Surgery

NPI 1013123058

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location December 11, 2025

Registered at 18444 N 25TH AVE STE 210, PHOENIX, AZ 850231264 (Tel: 8669742673)

📍
Updated Business Mailing Address December 11, 2025

Registered at 18444 N 25TH AVE STE 210, PHOENIX, AZ 850231264 (Tel: 8669742673)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 11, 2025

Physician Assistant (License #11442 in AZ)

NPI Profile Active June 11, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location June 11, 2024

Registered at 5850 E STILL CIR, MESA, AZ 852063618 (Tel: 4808689369)

📍
Updated Business Mailing Address June 11, 2024

Registered at 5850 E STILL CIR, MESA, AZ 852063618

👤
Provider Name / Credentials Updated June 11, 2024

Recorded as WILLIAM DANIELL

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 11, 2024

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration June 11, 2024

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: 1255173019
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 11, 2024
Last Update: December 11, 2025
Sole Proprietor: No

Mailing Address

18444 N 25th Ave Ste 210

Phoenix, AZ 850231264

Phone: 8669742673

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.