IndividualActive
James Bierman, PH.D.
NPI 1053491944 · Clinical Psychologist · Rialto, CA
James Bierman, PH.D. is a Clinical Psychologist provider in Rialto, CA (NPI 1053491944).
Provider details
- NPI number
- 1053491944
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY16424 (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
850 E Foothill Blvd
Rialto, CA 92376-5230
Phone: (760) 285-3892
Fax: (760) 285-5995
Street-level locationGet directions
Mailing address
850 E Foothill Blvd
Rialto, CA 92376-5230
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2013-07-02
Frequently asked questions
- What is James Bierman's NPI number?
- James Bierman's National Provider Identifier (NPI) is 1053491944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Bierman's specialty?
- James Bierman is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is James Bierman located?
- James Bierman's practice location on file with NPPES is 850 E Foothill Blvd, Rialto, CA 92376-5230.
- What is James Bierman's phone number?
- The practice phone number listed in the NPPES registry for James Bierman is (760) 285-3892.
- Is James Bierman's NPI active?
- Yes — James Bierman's NPI (1053491944) is active in the NPPES registry as of the last update on 2013-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.