MR. CLAY WILLIAM WALKER PA-C
NPI 1437609377
Physician Assistant in Scottsdale, AZ

Active since October 04, 2016PECOS EnrolledAccepts Medicare Assignment
13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: May 31, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 20, 2022, Sep 24, 2019 (2 updates tracked since 2019).

About Mr. Clay William Walker Pa-c NPPES

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

MR. CLAY WILLIAM WALKER PA-C (NPI 1437609377) is an individual physician assistant in Scottsdale, Arizona, licensed in Arizona (8619) and active in the NPI registry since October 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1437609377
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. CLAY WILLIAM WALKERCredential: PA-C
Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5499
Mailing Address13400 E Shea BlvdScottsdale, AZ 85259-5452 · (804) 301-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateOctober 4, 2016
Last NPPES UpdateMay 31, 20222 updates tracked since enumeration
NPPES CertifiedMay 31, 2022
NPI 1437609377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in AZ · 8619
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 085.005958 (IL)
13400 E SHEA BLVD, Scottsdale, AZ 85259

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Clay William Walker Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456639855
PECOS Enrollment IDI20220414002312
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
68 services56 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services27 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 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
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers17 claims53 services$6.12 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Hematology & Oncology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Critical Care Medicine)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Internal Medicine (Pulmonary Disease)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Urology
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Nurse Anesthetist, Certified Registered
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259
Radiology (Diagnostic Radiology)
13400 E SHEA BLVD
SCOTTSDALE, AZ 85259

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 Clay Walker's NPI number?

The NPI number for Clay Walker is 1437609377. It was assigned to this individual provider in the NPPES registry on October 4, 2016.

Where is Clay Walker located?

Clay Walker practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.

What is Clay Walker's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Clay Walker enrolled in Medicare?

Yes. Clay Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Clay Walker was last updated on May 31, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.