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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.

DR. AUBREY JOSHUA WALKER MD
NPI 1689298788
Internal Medicine in Mesa, AZ

Active since June 04, 2020PECOS Enrolled
1400 S DOBSON RD, MESA, AZ 85202(480) 412-3000 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 21, 2026, Apr 11, 2025, Jun 4, 2020 (3 updates tracked since 2020).

About Dr. Aubrey Joshua Walker Md NPPES

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

DR. AUBREY JOSHUA WALKER MD (NPI 1689298788) is an individual internal medicine provider in Mesa, Arizona, licensed in Arizona (1689298788) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689298788
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. AUBREY JOSHUA WALKERCredential: MD
Location Address1400 S DOBSON RDMesa, AZ 85202-4707
Mailing Address1300 S Country Club Dr Ste 3Mesa, AZ 85210-5162 · (480) 827-5500
Phone(480) 412-3000
Sole ProprietorYes
Enumeration DateJune 4, 2020
Last NPPES UpdateAugust 21, 20263 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
✔ NPI 1689298788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 1689298788
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1400 S DOBSON RD, Mesa, AZ 85202
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aubrey Joshua Walker Md 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 85202 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
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.

VIREN PATEL PHARMD
Pharmacist
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 412-4250
DR. EMMANUEL A BAYONGAN M.D.
Internal Medicine (Critical Care Medicine)
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 543-2034
DR. HEATHER ANNE LEINBACH PHARMD
Pharmacist (Pharmacotherapy)
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 512-5616
DRAKE HERRING RRA
Radiology Practitioner Assistant
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 512-3773
SAVANNAH BABCOCK
Registered Nurse
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 412-3000
DR. HOLLY MCDANIEL M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (602) 685-5211
CHARLES H PSHAENICH MD
Emergency Medicine
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 456-9500
MADHURI KASHYAP MD
Emergency Medicine (Pediatric Emergency Medicine)
1400 S DOBSON RD
MESA, AZ 85202
Maricopa County (480) 412-3000

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 Aubrey Walker's NPI number?

The NPI number for Aubrey Walker is 1689298788. It was assigned to this individual provider in the NPPES registry on June 4, 2020.

Where is Aubrey Walker located?

Aubrey Walker practices at 1400 S Dobson Rd, Mesa, AZ 85202. The listed phone number is (480) 412-3000.

What is Aubrey Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Aubrey Walker enrolled in Medicare?

Yes. Aubrey Walker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Aubrey Walker was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.