ACT GROUP LLC
NPI 1487593265
Psychologist in Glendale, CA

NPI Status: Active since March 26, 2026

Contact Information

450 N BRAND BLVD STE 600
GLENDALE, CA
ZIP 91203
Phone: (818) 476-4884

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  • Organization
  • Psychologist

About ACT GROUP LLC

This page provides the complete NPI Profile along with additional information for Act Group Llc, a provider established in Glendale, California operating as a Psychologist. The healthcare provider is registered in the NPI registry with number 1487593265 assigned on March 2026. The practitioner's primary taxonomy code is 103T00000X. The provider is registered as an organization and their NPI record was last updated March 2026. Act Group Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Allain Constantino (Ceo)

NPI
1487593265
Provider Name
ACT GROUP LLC
Entity Type
Organization
Location Address
450 N BRAND BLVD STE 600 GLENDALE, CA 91203
Location Phone
(818) 476-4884
Mailing Address
450 N BRAND BLVD STE 600 GLENDALE, CA 91203
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-26-2026
Last Update Date
03-26-2026
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A psychologist like Act Group Llc studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating patients.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist

Taxonomy Code
103T00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

 
2101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

 
3101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

 
4101YP1600XBehavioral Health & Social Service Providers

Counselor
Pastoral

 
5103TA0700XBehavioral Health & Social Service Providers

Psychologist
Adult Development & Aging

 
6103TB0200XBehavioral Health & Social Service Providers

Psychologist
Cognitive & Behavioral

 
7103TH0004XBehavioral Health & Social Service Providers

Psychologist
Health

 
8103TH0100XBehavioral Health & Social Service Providers

Psychologist
Health Service

 
9103TP0016XBehavioral Health & Social Service Providers

Psychologist
Prescribing (Medical)

 
101041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

 
11163WP0809XNursing Service Providers

Registered Nurse
Psychiatric/Mental Health, Adult

 
122084B0040XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Behavioral Neurology & Neuropsychiatry

 
13225XM0800XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Occupational Therapist
Mental Health

 
14364SP0809XPhysician Assistants & Advanced Practice Nursing Providers

Clinical Nurse Specialist
Psychiatric/Mental Health, Adult

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ALLAIN CONSTANTINO

Authorized Official Title
CEO
Authorized Official Phone
(818) 476-4884

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1487593265, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 5 → 10 → 1 3 → 6 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 6 + 7 + 1 + 0 + 9 + 6 + 2 + 1 + 2 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1487593265.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

In Home Supportive Care
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Clinic/Center
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Physical Therapist
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Home Health
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Hospice Care, Community Based
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Hospice Care, Community Based
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Nurse Practitioner (Family)
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Nurse Practitioner (Family)
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Family Medicine
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Family Medicine
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Internal Medicine
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Social Worker (Clinical)
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Nurse Practitioner (Family)
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Independent Medical Examiner
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Marriage & Family Therapist
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Internal Medicine (Endocrinology, Diabetes & Metabolism)
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Nurse Practitioner (Psychiatric/Mental Health)
450 N BRAND BLVD STE 600
GLENDALE, CA 91203
Behavior Analyst
450 N BRAND BLVD STE 600
GLENDALE, CA 91203

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487593265, enumerated as an "organization" on March 26, 2026.

The provider is located at 450 N BRAND BLVD STE 600 GLENDALE, CA 91203 and the phone number is (818) 476-4884.

Psychologist with taxonomy code 103T00000X.