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Ronald Willcoxon, PH.D.
NPI 1003947698 · Psychologist · Phoenix, AZ
Ronald Willcoxon, PH.D. is a Psychologist provider in Phoenix, AZ (NPI 1003947698).
Provider details
- NPI number
- 1003947698
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3018 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
18647 N 20th Street
Phoenix, AZ 85024-3074
Phone: (602) 867-9660
Fax: (602) 867-2762
Street-level locationGet directions
Mailing address
18647 N 20th St
Phoenix, AZ 85024-3074
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2007-07-09
Frequently asked questions
- What is Ronald Willcoxon's NPI number?
- Ronald Willcoxon's National Provider Identifier (NPI) is 1003947698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Willcoxon's specialty?
- Ronald Willcoxon is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ronald Willcoxon located?
- Ronald Willcoxon's practice location on file with NPPES is 18647 N 20th Street, Phoenix, AZ 85024-3074.
- What is Ronald Willcoxon's phone number?
- The practice phone number listed in the NPPES registry for Ronald Willcoxon is (602) 867-9660.
- Is Ronald Willcoxon's NPI active?
- Yes — Ronald Willcoxon's NPI (1003947698) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.