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Barry Olson, PH.D
NPI 1639261134 · Clinical Psychologist · Modesto, CA
Barry Olson, PH.D is a Clinical Psychologist provider in Modesto, CA (NPI 1639261134).
Provider details
- NPI number
- 1639261134
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 7365 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
3425 Coffee Rd
Suite 2a
Modesto, CA 95355-1582
Phone: (209) 524-9401
Street-level locationGet directions
Mailing address
600 Coffee Rd
Modesto, CA 95355-4201
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2013-09-03
Frequently asked questions
- What is Barry Olson's NPI number?
- Barry Olson's National Provider Identifier (NPI) is 1639261134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barry Olson's specialty?
- Barry Olson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Barry Olson located?
- Barry Olson's practice location on file with NPPES is 3425 Coffee Rd, Modesto, CA 95355-1582.
- What is Barry Olson's phone number?
- The practice phone number listed in the NPPES registry for Barry Olson is (209) 524-9401.
- Is Barry Olson's NPI active?
- Yes — Barry Olson's NPI (1639261134) is active in the NPPES registry as of the last update on 2013-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.