Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DELAPLAINE SIGURD JOHANSEN PH.D. PPS
NPI 1528977998
Psychologist - School in Vacaville, CA

Active since September 02, 2026
400 HEMLOCK ST, VACAVILLE, CA 95688(707) 453-6246 Get Directions Write a Review

NPPES record added: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Delaplaine Sigurd Johansen Ph.d. Pps NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DELAPLAINE SIGURD JOHANSEN PH.D. PPS (NPI 1528977998) is an individual school provider in Vacaville, California, licensed in California (240298562) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1528977998
Entity TypeIndividualMale
Primary Taxonomy103TS0200X
Provider Legal NameDELAPLAINE SIGURD JOHANSENCredential: PH.D. PPS
Location Address400 HEMLOCK STVacaville, CA 95688-2616
Mailing Address1931 Marshall RdVacaville, CA 95687-5197 · (979) 436-2491
Sole ProprietorNo
Enumeration DateSeptember 2, 2026
NPPES CertifiedSeptember 2, 2026
NPI 1528977998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · SchoolBehavioral Health & Social Service Providers
Taxonomy Code103TS0200X
License Licensed in CA · 240298562
Definition
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development
400 HEMLOCK ST, Vacaville, CA 95688

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Delaplaine Johansen's NPI number?

The NPI number for Delaplaine Johansen is 1528977998. It was assigned to this individual provider in the NPPES registry on September 2, 2026.

Where is Delaplaine Johansen located?

Delaplaine Johansen practices at 400 Hemlock St, Vacaville, CA 95688. The listed phone number is (707) 453-6246.

What is Delaplaine Johansen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in School, with taxonomy code 103TS0200X.

When was this NPI record last updated?

The NPPES record for Delaplaine Johansen was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.