ALTA-GRACE L TAN, PSY D PSYCHOLOGICAL SERVICES, INC
NPI 1104920230
Psychologist in Northridge, CA

NPI Status: Active since September 11, 2006

Contact Information

18546 ROSCOE BLVD
STE 210
NORTHRIDGE, CA
ZIP 91324
Phone: (818) 886-5628

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  • Organization
  • Psychologist

About ALTA-GRACE L TAN, PSY D PSYCHOLOGICAL SERVICES, INC

This page provides the complete NPI Profile along with additional information for Alta-grace L Tan, Psy D Psychological Services, Inc, a provider established in Northridge, California operating as a Psychologist. The healthcare provider is registered in the NPI registry with number 1104920230 assigned on September 2006. The practitioner's primary taxonomy code is 103T00000X with license number PSY18653 (CA). The provider is registered as an organization and their NPI record was last updated 16 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Alta-grace L Tan Psy D (Owner)

NPI
1104920230
Provider Name
ALTA-GRACE L TAN, PSY D PSYCHOLOGICAL SERVICES, INC
Entity Type
Organization
Location Address
18546 ROSCOE BLVD STE 210 NORTHRIDGE, CA 91324
Location Phone
(818) 886-5628
Mailing Address
18546 ROSCOE BLVD STE 210 NORTHRIDGE, CA 91324
Mailing Phone
(818) 886-5628
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-11-2006
Last Update Date
05-28-2010
Code Navigator

A psychologist like Alta-grace L Tan, Psy D Psychological Services, Inc 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.

Location Map

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
License No.
PSY18653
License State
CA
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

ALTA-GRACE L TAN PSY D

Authorized Official Title
OWNER
Authorized Official Phone
(818) 523-1809

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
W18678MEDICARE PIN (08)CA 

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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 1104920230, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 0 → 0 9 → 18 → 9 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 8 + 2 + 0 + 2 + 6 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1104920230.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker (Clinical)
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324
Obstetrics & Gynecology (Gynecology)
18546 ROSCOE BLVD, SUITE 220
NORTHRIDGE, CA 91324
Family Medicine
18546 ROSCOE BLVD, SUITE 230
NORTHRIDGE, CA 91324
Pediatrics
18546 ROSCOE BLVD, 211
NORTHRIDGE, CA 91324
Internal Medicine (Pulmonary Disease)
18546 ROSCOE BLVD, #308
NORTHRIDGE, CA 91324
Marriage & Family Therapist
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324
Marriage & Family Therapist
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324
Psychiatry & Neurology (Psychiatry)
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324
Nurse Practitioner (Acute Care)
18546 ROSCOE BLVD, SUITE 306
NORTHRIDGE, CA 91324
Surgery (Vascular Surgery)
18546 ROSCOE BLVD, SUITE 120
NORTHRIDGE, CA 91324
Non-Pharmacy Dispensing Site
18546 ROSCOE BLVD, 312
NORTHRIDGE, CA 91324
Nurse Practitioner (Pediatrics)
18546 ROSCOE BLVD, SUITE 211
NORTHRIDGE, CA 91324
Family Medicine
18546 ROSCOE BLVD, SUITE 230
NORTHRIDGE, CA 91324
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
18546 ROSCOE BLVD, SUITE # 108
NORTHRIDGE, CA 91324
Family Medicine
18546 ROSCOE BLVD, SUITE 304
NORTHRIDGE, CA 91324
Family Medicine
18546 ROSCOE BLVD, SUITE 302
NORTHRIDGE, CA 91324
Dermatology
18546 ROSCOE BLVD, STE 306
NORTHRIDGE, CA 91324
Nurse Practitioner (Pediatrics)
18546 ROSCOE BLVD
NORTHRIDGE, CA 91324
Psychiatry & Neurology (Psychiatry)
18546 ROSCOE BLVD, SUITE 210
NORTHRIDGE, CA 91324
Clinic/Center
18546 ROSCOE BLVD, SUITE 220
NORTHRIDGE, CA 91324

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104920230, enumerated as an "organization" on September 11, 2006.

The provider is located at 18546 ROSCOE BLVD STE 210 NORTHRIDGE, CA 91324 and the phone number is (818) 886-5628.

Psychologist with taxonomy code 103T00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.