What is Lorelei Sontag's NPI number?

Lorelei Sontag's National Provider Identifier (NPI) is 1225997539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lorelei Sontag's specialty?

Lorelei Sontag is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Lorelei Sontag located?

Lorelei Sontag's practice location on file with NPPES is 1 Balboa Avenue, Inverness, CA 94937-0174.

What is Lorelei Sontag's phone number?

The practice phone number listed in the NPPES registry for Lorelei Sontag is (510) 917-3675.

Is Lorelei Sontag's NPI active?

Yes — Lorelei Sontag's NPI (1225997539) is active in the NPPES registry as of the last update on 2026-01-21.

IndividualActive

Lorelei Sontag

NPI 1225997539 · Psychologist · Inverness, CA

Lorelei Sontag is a Psychologist provider in Inverness, CA (NPI 1225997539).

Provider details

NPI number: 1225997539
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: 14638 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 14638 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

1 Balboa Avenue

Inverness, CA 94937-0174

Phone: (510) 917-3675

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address

Po Box 174