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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FARREN NIXON CASTELEIN ATC
NPI 1770558124
Specialist/Technologist - Athletic Trainer in Tempe, AZ

Active since February 21, 2006
500 E. VETERANS WAY, ASU SPORTS MEDICINE, TEMPE, AZ 85287(480) 965-6389 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Farren Nixon Castelein Atc NPPES

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

FARREN NIXON CASTELEIN ATC (NPI 1770558124) is an individual athletic trainer provider in Tempe, Arizona, licensed in Arizona (0527) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1770558124
Entity TypeIndividualFemale
Primary Taxonomy2255A2300X
Provider Legal NameFARREN NIXON CASTELEINCredential: ATC
Location Address500 E. VETERANS WAY, ASU SPORTS MEDICINETempe, AZ 85287-2505
Mailing AddressAsu Sports Medicine, Po Box 872505Tempe, AZ 85287-2505 · (480) 965-6389
Phone(480) 965-6389
Sole ProprietorNo
Enumeration DateFebruary 21, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1770558124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist · Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code2255A2300X
License✔ Licensed in AZ · 0527
Definition
Athletic trainers are allied health care professionals who work in consultation with or under the direction of physicians, and specialize in the prevention, assessment, treatment and rehabilitation of injuries and illnesses. Currently, the entry-level employment requirements are a bachelor's degree with a major in athletic training from an accredited university or college. A majority of athletic trainers hold advanced degrees. National board certification is generally required as a condition of state licensure and employment. Most states regulate athletic trainers, and they practice within the scope of that license or regulation. Clinical practice includes emergency care, rehabilitation, reconditioning, therapeutic exercise, wellness programs, exercise physiology, kinesiology, biomechanics, nutrition, psychology and health care administration.
500 E. VETERANS WAY, Tempe, AZ 85287
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Farren Castelein's NPI number?

The NPI number for Farren Castelein is 1770558124. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Farren Castelein located?

Farren Castelein practices at 500 E. Veterans Way Asu Sports Medicine, Tempe, AZ 85287. The listed phone number is (480) 965-6389.

What is Farren Castelein's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Athletic Trainer, with taxonomy code 2255A2300X.

When was this NPI record last updated?

The NPPES record for Farren Castelein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.