Tim Gergen, PHD
NPI 1215054010 · Clinical Psychologist · Irvine, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tim Gergen, PHD is a Clinical Psychologist provider in Irvine, CA (NPI 1215054010).
Provider details
- NPI number
- 1215054010
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY9765 (CA)
Specialties & taxonomies
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
- 2007-03-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Tim Gergen's NPI number?
- Tim Gergen's National Provider Identifier (NPI) is 1215054010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tim Gergen's specialty?
- Tim Gergen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Tim Gergen located?
- Tim Gergen's practice location on file with NPPES is 2192 Martin, Irvine, CA 92612-1428.
- What is Tim Gergen's phone number?
- The practice phone number listed in the NPPES registry for Tim Gergen is (949) 851-8001.
- Does Tim Gergen accept Medicare?
- Tim Gergen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tim Gergen's NPI active?
- Yes — Tim Gergen's NPI (1215054010) 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.