Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ian Williamson

Individual provider Physical Therapist · NPI 1396696381

Ian Williamson is a Physical Therapist in Private Practice in Glendale, Arizona. Qualified in 2025, 1 year ago. Practices with Ati Holdings of Arizona LLC, a 231-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
1
Licensed in
AZ
In the registry since
2026
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

9494 W Northern Ave Ste 114&115
Glendale, AZ 85305-1118
Phone: (623) 745-3112
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X (AZ)

Record details

NPI number1396696381
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 5, 2026
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026
Mailing address2001 Butterfield Rd Ste 1600, Downers Grove, IL 60515-1211

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Ati Holdings Of Arizona Llc — 231 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Glendale