John R. Walker III, PsyD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 3550 N Central Ave Suite 1407 Suite 1407, Phoenix, AZ 85012-2112
- Practice phone
- Call (602) 216-6900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Desert Vista Neuropsychological Specialists
Behavioral health practice · Phoenix, Arizona
Find John 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.
John R. Walker III is a psychologist in Phoenix, Arizona
John Walker practices at Desert Vista Neuropsychological Specialists in Phoenix, Arizona.
John Walker's NPI, 1871634485, was assigned on February 8, 2007. John Walker holds Arizona license 3593.
- NPI
- 1871634485NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557432978
- NPI enumeration date
- February 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 216-6900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John R. Walker III practices at Desert Vista Neuropsychological Specialists in Phoenix, Arizona
John Walker's primary practice is Desert Vista Neuropsychological Specialists, at 3550 N Central Ave Suite 1407 Suite 1407, Phoenix, AZ 85012-2112. The practice phone is (602) 216-6900.
- Desert Vista Neuropsychological Specialists3550 N Central Ave Suite 1407 Suite 1407, Phoenix, AZ 85012-2112Phone(602) 216-6900
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John R. Walker III is affiliated with 1 site of care and 1 medical group
John Walker's primary practice is Desert Vista Neuropsychological Specialists in Phoenix, Arizona. The medical group on file is Desert Vista Neuropsychological Specialists.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John R. Walker III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Desert Vista Neuropsychological Specialists | Available with a free account |
Source: Dmand AI Technology Install Data
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John R. Walker III is one of 166 psychologists in Arizona
Psychologist is John Walker's primary specialty in the NPI Registry, under taxonomy code 103T00000X. John Walker is licensed in Arizona.
Specialties and state licenses
- Psychologist, ArizonaPrimary
Psychologists near John Walker
Counts of psychologists 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
John R. Walker III's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts John Walker's median patient age at 63, with 75% women.
John 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 63
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
How John R. Walker III takes part in Medicare
John Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for John R. Walker III'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 John R. Walker III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John R. Walker III's NPI number?
John R. Walker III's NPI number is 1871634485. It was assigned on February 8, 2007, and it is active in the NPI Registry.
What does John R. Walker III specialize in?
John R. Walker III is a psychologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does John R. Walker III practice?
John Walker practices at 3550 N Central Ave Suite 1407 Suite 1407, Phoenix, AZ 85012-2112. John Walker's primary practice is Desert Vista Neuropsychological Specialists in Phoenix, Arizona.
What is John R. Walker III's office phone number?
The practice phone on file for John Walker is (602) 216-6900.
What is John R. Walker III's medical license number?
John Walker holds Arizona license 3593.
What medical group is John R. Walker III part of?
John Walker is linked to Desert Vista Neuropsychological Specialists.
Does John R. Walker III accept Medicare?
Yes. CMS lists John Walker as accepting Medicare assignment.
How long has John R. Walker III been practicing?
John Walker graduated from medical school in 2002, 24 years ago.
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