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William Tanner Daniell

Physician Assistant β€’ Phoenix, AZ

Active NPI 1255173019 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

18444 N 25th Ave Ste 210
Phoenix, AZ 850231264

Call 8669742673 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

18444 N 25th Ave Ste 210

Phoenix, AZ 850231264

Telephone 8669742673
Fax 8669392673
Organization at the Same NPPES Address or Phone
The Porretta Center For Orthopaedic Surgery, Pllc Facility NPI 1053758391

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Center For Orthopedic Research And Education Llc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Medical School

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

Graduation Year

2025

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2021–2025.

Guide: How to read an Open Payments record

Years since graduation

1 years (graduated 2025)

CMS Doctors and Clinicians data list 2025 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

NPI first issued

2024

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

William Daniell has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists William Daniell as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Phoenix and Arizona

938 active clinicians are listed under Physician Assistant with a practice address in Phoenix, AZ (3,743 in Arizona).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Phoenix

13.2% of these 938 clinicians have the CMS telehealth indicator.

56.3% of these 938 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-12-11
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES 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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Arizona Medical Board.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20251231000870

Enrollment State Jurisdiction

AZ

PECOS Control ID

6507352358

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Center For Orthopedic Research And Education Llc

18444 N 25th Ave, Phoenix, AZ 850231264

Phone: 8669742673

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

40 listed
Mychal Aloise , PA-C

Physician Assistant

NPI 1053078212

Physician Assistant (Certified)

Melissa Barrett , PA-C

Physician Assistant

NPI 1114257342

Physician Assistant (Certified)

Dr. Anuj Daftari , MD

Physical Medicine & Rehabilitation

NPI 1043452196

Doctor of Medicine (M.D.)

Dr. Amalia De Comas , MD

Orthopaedic Surgery

NPI 1063603843

Doctor of Medicine (M.D.)

Claire Evans , FNP

Nurse Practitioner - Family

NPI 1043971823

Family Nurse Practitioner

Jessica Gelfand , PA-C

Physician Assistant - Surgical

NPI 1053893263

Physician Assistant (Certified)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
πŸ“
Updated Practice Location December 11, 2025

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

πŸ“
Updated Business Mailing Address December 11, 2025

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

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

Physician Assistant (license number reported to NPPES: AZ 11442)

βœ…
NPI Profile Active June 11, 2024

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) June 11, 2024

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

πŸ“
Business Mailing Address (Initial Record) June 11, 2024

Registered at 5850 E STILL CIR, MESA, AZ 852063618

πŸ‘€
Provider Name / Credentials (Initial Record) June 11, 2024

Recorded as WILLIAM DANIELL

πŸŽ“
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.

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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

Other Physician Assistants in Phoenix

All Physician Assistants in Phoenix

Mailing Address

18444 N 25th Ave Ste 210

Phoenix, AZ 850231264

Phone: 8669742673

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.