DR DINORA GUZMAN PSYCHOLOGIST INC
NPI 1841972445
Psychologist in Corona, CA

Active since August 02, 2023
1101 CALIFORNIA AVE STE 100, CORONA, CA 92881(818) 667-1335(310) 218-5371 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr Dinora Guzman Psychologist Inc NPPES

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

DR DINORA GUZMAN PSYCHOLOGIST INC (NPI 1841972445), doing business as Dr. Dinora Guzman Psychologist, Inc, is a healthcare organization registered as a psychologist in Corona, California and active in the NPI registry since August 2023. The organization lists Dinora Guzman, Clinical Psychologist, as its authorized official.

NPPES Registry Identity

NPI1841972445
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameDR DINORA GUZMAN PSYCHOLOGIST INC
Location Address1101 CALIFORNIA AVE STE 100Corona, CA 92881-6472
Mailing Address1101 California Ave Ste 100Corona, CA 92881-6472 · (818) 667-1335 · Fax (310) 218-5371
Fax(310) 218-5371
Organization SubpartNo
Authorized OfficialDinora GuzmanClinical Psychologist · (469) 915-4211
Enumeration DateAugust 2, 2023
Last NPPES UpdateJuly 24, 2025
NPPES CertifiedJuly 24, 2025
✔ NPI 1841972445 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.
1101 CALIFORNIA AVE STE 100, Corona, CA 92881

Other Names 1

Doing Business AsDr. Dinora Guzman Psychologist, Inc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr Dinora Guzman Psychologist Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Dr Dinora Guzman Psychologist Inc, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Clinical Social Worker
NPI 1750026753
30842 WINDY RIDGE WAY
Menifee, CA 92584
(323) 574-1224
✔ PECOS25 mi
Clinical Psychologist
NPI 1558523654
9650 ZELZAH AVE.
Northridge, CA 91325
(818) 739-5599
✔ PECOS62 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Dr Dinora Guzman Psychologist Inc's NPI number?

The NPI number for Dr Dinora Guzman Psychologist Inc is 1841972445. It was assigned to this organization in the NPPES registry on August 2, 2023. The provider is doing business as Dr. Dinora Guzman Psychologist, Inc.

Where is Dr Dinora Guzman Psychologist Inc located?

Dr Dinora Guzman Psychologist Inc is located at 1101 California Ave Ste 100, Corona, CA 92881. The listed phone number is (818) 667-1335.

What is Dr Dinora Guzman Psychologist Inc's specialty?

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

Is Dr Dinora Guzman Psychologist Inc enrolled in Medicare?

Yes. Dr Dinora Guzman Psychologist Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr Dinora Guzman Psychologist Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Dr Dinora Guzman Psychologist Inc, in Clinical Psychologist and Clinical Social Worker. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dr Dinora Guzman Psychologist Inc was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.