MARK LEE WESTBROEK MD, PHD
NPI 1174207443
Pediatrics in Phoenix, AZ

Q: What is Mark Westbroek's NPI number?

The NPI number for Mark Westbroek is 1174207443. It was assigned to this individual provider in the NPPES registry on June 14, 2023.

Q: What is Mark Westbroek's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Westbroek was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since June 14, 2023PECOS Enrolled

1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-1000 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 10, 2026, May 14, 2026, Jun 14, 2023 (3 updates tracked since 2023).

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About Mark Lee Westbroek Md, Phd NPPES

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

MARK LEE WESTBROEK MD, PHD (NPI 1174207443) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (79564) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Omaha.

NPPES Registry Identity

NPI1174207443

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameMARK LEE WESTBROEKCredential: MD, PHD

Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710

Mailing Address1919 E Thomas RdPhoenix, AZ 85016-7710 · (602) 933-0920

Phone(602) 933-1000

Sole ProprietorNo

Enumeration DateJune 14, 2023

Last NPPES UpdateJuly 10, 20263 updates tracked since enumeration

NPPES CertifiedJuly 10, 2026

✔ NPI 1174207443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in AZ · 79564

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

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Secondary Practice Location 1

Location 1982185 Nebraska Medical CtrOmaha, NE 68198-2185 · Phone (402) 559-5380

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Lee Westbroek Md, Phd 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.

DR. TIMUR RAGHIB M.D.

Hospitalist