David Lorentzen, PSY.D.
NPI 1881739175 · Clinical Psychologist · Pasadena, CA
David Lorentzen, PSY.D. is a Clinical Psychologist provider in Pasadena, CA (NPI 1881739175).
Provider details
- NPI number
- 1881739175
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 23226 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2024-01-25
- Certified
- 2024-01-25
Frequently asked questions
- What is David Lorentzen's NPI number?
- David Lorentzen's National Provider Identifier (NPI) is 1881739175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lorentzen's specialty?
- David Lorentzen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is David Lorentzen located?
- David Lorentzen's practice location on file with NPPES is 299 N Euclid Ave Ste 500, Pasadena, CA 91101-1468.
- What is David Lorentzen's phone number?
- The practice phone number listed in the NPPES registry for David Lorentzen is (626) 209-9747.
- Is David Lorentzen's NPI active?
- Yes — David Lorentzen's NPI (1881739175) is active in the NPPES registry as of the last update on 2024-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.