DR. MADELINE ISABELLE SPIESS PHD
NPI 1629800479
Psychologist in Los Angeles, CA

Active since August 19, 2024
4650 W SUNSET BLVD # 53, LOS ANGELES, CA 90027(323) 361-3849 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 12, 2025, Aug 19, 2024 (2 updates tracked since 2024).

About Dr. Madeline Isabelle Spiess Phd NPPES

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

DR. MADELINE ISABELLE SPIESS PHD (NPI 1629800479) is an individual psychologist in Los Angeles, California and active in the NPI registry since August 2024. She maintains a secondary practice location in Santa Ana.

NPPES Registry Identity

NPI1629800479
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MADELINE ISABELLE SPIESSCredential: PHD
Location Address4650 W SUNSET BLVD # 53Los Angeles, CA 90027-6062
Mailing Address4650 W Sunset Blvd # 53Los Angeles, CA 90027-6062 · (323) 361-3814
Sole ProprietorNo
Enumeration DateAugust 19, 2024
Last NPPES UpdateAugust 12, 20252 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
NPI 1629800479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
4650 W SUNSET BLVD # 53, Los Angeles, CA 90027

Secondary Practice Location 1

Location 1200 W Santa Ana Blvd Ste 801Santa Ana, CA 92701-4134 · Phone (714) 704-5900

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Marriage & Family Therapist
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Registered Nurse (Case Management)
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Case Manager/Care Coordinator
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Psychiatry & Neurology (Psychiatry)
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Psychologist
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027
Pediatrics (Developmental - Behavioral Pediatrics)
4650 W SUNSET BLVD # 53
LOS ANGELES, CA 90027

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 Madeline Spiess's NPI number?

The NPI number for Madeline Spiess is 1629800479. It was assigned to this individual provider in the NPPES registry on August 19, 2024.

Where is Madeline Spiess located?

Madeline Spiess practices at 4650 W Sunset Blvd # 53, Los Angeles, CA 90027. The listed phone number is (323) 361-3849.

What is Madeline Spiess's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Madeline Spiess was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.