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James Friesen
NPI 1548494354 · Clinical Psychologist · Porter Ranch, CA
James Friesen is a Clinical Psychologist provider in Porter Ranch, CA (NPI 1548494354).
Provider details
- NPI number
- 1548494354
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY7018 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
11145 Tampa Ave
Suite 23a
Porter Ranch, CA 91326
Phone: (818) 893-4463
Street-level locationGet directions
Mailing address
9018 Balboa Bl.
Northridge, CA 91325
Registry dates
- Enumerated
- 2009-05-07
- Last updated
- 2009-05-07
Frequently asked questions
- What is James Friesen's NPI number?
- James Friesen's National Provider Identifier (NPI) is 1548494354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Friesen's specialty?
- James Friesen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is James Friesen located?
- James Friesen's practice location on file with NPPES is 11145 Tampa Ave, Porter Ranch, CA 91326.
- What is James Friesen's phone number?
- The practice phone number listed in the NPPES registry for James Friesen is (818) 893-4463.
- Is James Friesen's NPI active?
- Yes — James Friesen's NPI (1548494354) is active in the NPPES registry as of the last update on 2009-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.