IndividualActive
Ron Ellis, PH. D.
NPI 1063543247 · Psychologist · Walnut Creek, CA
Ron Ellis, PH. D. is a Psychologist provider in Walnut Creek, CA (NPI 1063543247).
Provider details
- NPI number
- 1063543247
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH. D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY5702 (CA)
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
1756 Lacassie Ave
Suite 200
Walnut Creek, CA 94596-7098
Phone: (925) 943-5700
Street-level locationGet directions
Mailing address
2250 Gladwin Dr
Walnut Creek, CA 94596-6349
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ron Ellis's NPI number?
- Ron Ellis's National Provider Identifier (NPI) is 1063543247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ron Ellis's specialty?
- Ron Ellis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ron Ellis located?
- Ron Ellis's practice location on file with NPPES is 1756 Lacassie Ave, Walnut Creek, CA 94596-7098.
- What is Ron Ellis's phone number?
- The practice phone number listed in the NPPES registry for Ron Ellis is (925) 943-5700.
- Is Ron Ellis's NPI active?
- Yes — Ron Ellis's NPI (1063543247) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.