Christine Lillja, PSY.D.
NPI 1629610423 · Clinical Psychologist · Lake Forest, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Lillja, PSY.D. is a Clinical Psychologist provider in Lake Forest, CA (NPI 1629610423).
Provider details
- NPI number
- 1629610423
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 31094 (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
6 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
- 2019-10-13
- Last updated
- 2025-06-27
- Certified
- 2025-06-27
Frequently asked questions
- What is Christine Lillja's NPI number?
- Christine Lillja's National Provider Identifier (NPI) is 1629610423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Lillja's specialty?
- Christine Lillja is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Christine Lillja located?
- Christine Lillja's practice location on file with NPPES is 22996 El Toro Rd Ste 107, Lake Forest, CA 92630-4961.
- What is Christine Lillja's phone number?
- The practice phone number listed in the NPPES registry for Christine Lillja is (949) 235-5104.
- Does Christine Lillja accept Medicare?
- Christine Lillja is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Lillja's NPI active?
- Yes — Christine Lillja's NPI (1629610423) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.