Clay William Walker, PA-C
- Medicare patients, 2024
- 93
- Part D claims, 2024
- 331
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Industry payments
- $75
- Practice address
- 13400 East Shea Boulevard, Scottsdale, AZ 85259
- Practice phone
- Call (480) 342-4201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Ambulatory Surgery Center - Scottsdale
Surgery Center - Medicare-Certified · Scottsdale, Arizona
Find Clay Walker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Clay William Walker is a physician assistant in Scottsdale, Arizona
Clay Walker practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.
Clay Walker's NPI, 1437609377, was assigned on October 4, 2016. Clay Walker holds Arizona license 8619.
- NPI
- 1437609377NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456639855
- NPI enumeration date
- October 4, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 342-4201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Clay William Walker practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona
Clay Walker's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale, at 13400 East Shea Boulevard, Scottsdale, AZ 85259. The practice phone is (480) 342-4201.
- Mayo Clinic Ambulatory Surgery Center - Scottsdale13400 East Shea Boulevard, Scottsdale, AZ 85259Phone(480) 342-4201
Source: Dmand AI Affiliation Data
Clay William Walker is affiliated with 2 sites of care and 4 medical groups
Clay Walker's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Clay Walker is also affiliated with Mayo Clinic Hospital - Phoenix. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Clay Walker to 3 more medical groups, each named with a free account. Clay Walker's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Clay William Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Clay Walker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Ambulatory Surgery Center - Scottsdale | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Clay William Walker is one of 2,965 physician assistants in Arizona
Physician assistant is Clay Walker's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Clay Walker's licenses on file in 2 states: Arizona and Illinois.
Specialties and state licenses
- Physician assistant, ArizonaPrimary
- Medical physician assistant, Illinois
Physician assistants near Clay Walker
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Clay William Walker treated 93 Medicare patients in 2024, average age 70
CMS counts 93 Medicare patients who saw Clay Walker in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Clay Walker's median patient age at 69, with 47% women.
Clay Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Clay Walker's Medicare patients by sex, 2024
- Women4649%
- Men4751%
Chronic conditions among Clay Walker's Medicare patients, 2024
- High cholesterol75%
- High blood pressure57%
- Arthritis40%
- Ischemic heart disease23%
- Anxiety18%
- Diabetes17%
- Mood disorders17%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Clay Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Clay William Walker wrote 331 Medicare Part D claims in 2024
In 2024, Clay Walker wrote 331 Medicare Part D claims for 98 patients. 85% of them were for generic drugs.
Clay Walker's Part D claims by kind of drug, 2024
- Generic282 claims85%
- Brand-name and other49 claims15%
Drug classes CMS tracks in Clay Walker's Part D claims, 2024
- Antibiotics4%12 of 331 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Clay William Walker scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Clay Walker for performance year 2024, reported as part of a group. Clay Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Clay Walker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Clay Walker's MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Clay William Walker received $75 in industry payments in 2025
CMS Open Payments shows 2 general payments to Clay Walker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $54.
Companies that paid Clay Walker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Clay William Walker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Clay William Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Clay William Walker's NPI number?
Clay William Walker's NPI number is 1437609377. It was assigned on October 4, 2016, and it is active in the NPI Registry.
What does Clay William Walker specialize in?
Clay William Walker is a physician assistant in Scottsdale, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Clay William Walker practice?
Clay Walker practices at 13400 East Shea Boulevard, Scottsdale, AZ 85259. Clay Walker's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dmand AI also links Clay Walker to 3 medical groups.
What is Clay William Walker's office phone number?
The practice phone on file for Clay Walker is (480) 342-4201.
What is Clay William Walker's medical license number?
Clay Walker holds Arizona license 8619, one of the licenses on file in 2 states.
Which states has Clay William Walker been licensed in?
Dmand AI has state licenses on file for Clay Walker in Arizona and Illinois.
Which hospitals is Clay William Walker affiliated with?
Clay Walker is affiliated with Mayo Clinic Hospital - Phoenix.
What medical group is Clay William Walker part of?
Clay Walker is linked to Mayo Clinic Arizona. Dmand AI links Clay Walker to 3 more medical groups.
Does Clay William Walker accept Medicare?
Yes. CMS lists Clay Walker as accepting Medicare assignment.
Does Clay William Walker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Clay Walker as offering telehealth services.
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What is Clay William Walker's MIPS score?
Clay Walker's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Clay William Walker see?
CMS counts 93 Medicare patients who saw Clay Walker in 2024, with an average age of 70.
Has Clay William Walker received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Clay Walker from 2 companies from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Clay William Walker been practicing?
Clay Walker graduated from medical school in 2016, 10 years ago.
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