What is Greg Klassen's NPI number?

Greg Klassen's National Provider Identifier (NPI) is 1083100093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Greg Klassen's specialty?

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

Where is Greg Klassen located?

Greg Klassen's practice location on file with NPPES is 23792 Rockflield Boulevard, Lake Forest, CA 92630-2819.

What is Greg Klassen's phone number?

The practice phone number listed in the NPPES registry for Greg Klassen is (949) 303-8932.

Is Greg Klassen's NPI active?

Yes — Greg Klassen's NPI (1083100093) is active in the NPPES registry as of the last update on 2018-07-03.

IndividualActive

Greg Klassen, PSY.D.

NPI 1083100093 · Psychologist · Lake Forest, CA

Greg Klassen, PSY.D. is a Psychologist provider in Lake Forest, CA (NPI 1083100093).

Provider details

NPI number: 1083100093
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSY.D.
Sex: Male
Sole proprietor: No
License: PSY18605 (CA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PSY18605 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(68/100 index)

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

Registry tenure38% of score
7 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

23792 Rockflield Boulevard

Suite 290

Lake Forest, CA 92630-2819

Phone: (949) 303-8932

Street-level locationGet directions

More CA providers

Mailing address