DR. RUTH ALONSO PSYD
NPI 1639931520
Psychologist in Los Angeles, CA

Active since January 25, 2024PECOS Enrolled
1625 E 4TH ST, LOS ANGELES, CA 90033(213) 893-1960 Get Directions Write a Review

NPPES record last updated: January 25, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ruth Alonso Psyd NPPES

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

DR. RUTH ALONSO PSYD (NPI 1639931520) is an individual psychologist in Los Angeles, California, licensed in California (34808) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639931520
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. RUTH ALONSOCredential: PSYD
Location Address1625 E 4TH STLos Angeles, CA 90033-4201
Mailing Address3536 Monterey RdLos Angeles, CA 90032-1907 · (626) 272-4419
Sole ProprietorNo
Enumeration DateJanuary 25, 2024
NPPES CertifiedJanuary 25, 2024
NPI 1639931520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · 34808
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.
1625 E 4TH ST, Los Angeles, CA 90033

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Ruth Alonso Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 12

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

Dentist (General Practice)
1625 E 4TH ST
LOS ANGELES, CA 90033
General Practice
1625 E 4TH ST
LOS ANGELES, CA 90033
Pharmacist
1625 E 4TH ST
LOS ANGELES, CA 90033
Family Medicine
1625 E 4TH ST
LOS ANGELES, CA 90033
Pediatrics
1625 E 4TH ST
LOS ANGELES, CA 90033
Family Medicine
1625 E 4TH ST
LOS ANGELES, CA 90033
Dental Hygienist
1625 E 4TH ST
LOS ANGELES, CA 90033
Dentist
1625 E 4TH ST
LOS ANGELES, CA 90033

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 Ruth Alonso's NPI number?

The NPI number for Ruth Alonso is 1639931520. It was assigned to this individual provider in the NPPES registry on January 25, 2024.

Where is Ruth Alonso located?

Ruth Alonso practices at 1625 E 4th St, Los Angeles, CA 90033. The listed phone number is (213) 893-1960.

What is Ruth Alonso's specialty?

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

Is Ruth Alonso enrolled in Medicare?

Yes. Ruth Alonso is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ruth Alonso was last updated on January 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.