GILES THOMAS KNOWLES
NPI 1104453968
Pediatrics in Phoenix, AZ

Active since March 23, 2020PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-1000 Get Directions Write a Review

NPPES record last updated: December 16, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 16, 2024, Mar 23, 2020 (2 updates tracked since 2020).

About Giles Thomas Knowles NPPES

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

GILES THOMAS KNOWLES (NPI 1104453968) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (010984) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104453968
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameGILES THOMAS KNOWLES
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address2108 E Thomas Rd Ste 130Phoenix, AZ 85016-0008 · (602) 933-3124
Sole ProprietorYes
Enumeration DateMarch 23, 2020
Last NPPES UpdateDecember 16, 20242 updates tracked since enumeration
NPPES CertifiedDecember 16, 2024
NPI 1104453968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in AZ · 010984
Definition
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.
1919 E THOMAS RD, Phoenix, AZ 85016

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Giles Thomas Knowles is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Nurse Practitioner (Pediatrics)
1919 E THOMAS RD
PHOENIX, AZ 85016

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 Giles Knowles's NPI number?

The NPI number for Giles Knowles is 1104453968. It was assigned to this individual provider in the NPPES registry on March 23, 2020.

Where is Giles Knowles located?

Giles Knowles practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-1000.

What is Giles Knowles's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Giles Knowles enrolled in Medicare?

Yes. Giles Knowles is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Giles Knowles was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.