DR. VIVIEN W LEONG PH. D.
NPI 1396821559
Psychologist in Houston, TX

NPI Status: Active since October 31, 2006

Contact Information

7777 SOUTHWEST FWY
SUITE 1036
HOUSTON, TX
ZIP 77074
Phone: (713) 776-2400
Fax: (713) 776-2145

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  • Individual
  • Female
  • Psychologist

About VIVIEN LEONG

This page provides the complete NPI Profile along with additional information for Vivien Leong, a provider established in Houston, Texas with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1396821559 assigned on October 2006. The practitioner's primary taxonomy code is 103T00000X with license number 23554 (TX). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1396821559
Provider Name
DR. VIVIEN W LEONG PH. D.
Gender
Female
Entity Type
Individual
Location Address
7777 SOUTHWEST FWY SUITE 1036 HOUSTON, TX 77074
Location Phone
(713) 776-2400
Location Fax
(713) 776-2145
Mailing Address
7777 SOUTHWEST FWY SUITE 1036 HOUSTON, TX 77074
Mailing Phone
(713) 776-2400
Mailing Fax
(713) 776-2145
Is Sole Proprietor?
Yes
Enumeration Date
10-31-2006
Last Update Date
07-09-2007
Code Navigator

A psychologist like Vivien Leong 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
License No.
23554
License State
TX
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.

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.

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.

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
8C7939MEDICARE ID-TYPE UNSPECIFIED (04)TX 
86902AOTHER (01)TXBLUE CROSS/BLUE SHIELD #

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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 1396821559, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 9 → 18 → 9 8 → 16 → 7 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 6 + 2 + 2 + 5 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1396821559.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
7777 SOUTHWEST FWY, SUITE 762
HOUSTON, TX 77074
Ophthalmology
7777 SOUTHWEST FWY, SUITE 934
HOUSTON, TX 77074
Internal Medicine
7777 SOUTHWEST FWY, SUITE 620
HOUSTON, TX 77074
Internal Medicine
7777 SOUTHWEST FWY, SUITE 620
HOUSTON, TX 77074
Urology
7777 SOUTHWEST FWY, # 1032
HOUSTON, TX 77074
Urology
7777 SOUTHWEST FWY, # 1032
HOUSTON, TX 77074
Urology
7777 SOUTHWEST FWY, # 1032
HOUSTON, TX 77074
Pediatrics (Neonatal-Perinatal Medicine)
7777 SOUTHWEST FWY, SUITE 310
HOUSTON, TX 77074
Physician Assistant (Surgical)
7777 SOUTHWEST FWY, SUITE 432
HOUSTON, TX 77074
Pediatrics (Neonatal-Perinatal Medicine)
7777 SOUTHWEST FWY, SUITE 310
HOUSTON, TX 77074
Internal Medicine (Cardiovascular Disease)
7777 SOUTHWEST FWY, SUITE 420
HOUSTON, TX 77074
Psychiatry & Neurology (Neurology)
7777 SOUTHWEST FWY, SUITE 900
HOUSTON, TX 77074
Psychiatry & Neurology (Neurology)
7777 SOUTHWEST FWY, SUITE 900
HOUSTON, TX 77074
Psychiatry & Neurology (Neurology)
7777 SOUTHWEST FWY, SUITE 900
HOUSTON, TX 77074
Internal Medicine (Gastroenterology)
7777 SOUTHWEST FWY, STE 544
HOUSTON, TX 77074
Internal Medicine (Cardiovascular Disease)
7777 SOUTHWEST FWY, STE 544
HOUSTON, TX 77074
Internal Medicine (Medical Oncology)
7777 SOUTHWEST FWY, SUITE1004
HOUSTON, TX 77074
Internal Medicine (Infectious Disease)
7777 SOUTHWEST FWY, 740
HOUSTON, TX 77074
Internal Medicine (Infectious Disease)
7777 SOUTHWEST FWY, 740
HOUSTON, TX 77074
Specialist
7777 SOUTHWEST FWY, STE 514
HOUSTON, TX 77074

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396821559, enumerated as an "individual" on October 31, 2006.

The provider is located at 7777 SOUTHWEST FWY SUITE 1036 HOUSTON, TX 77074 and the phone number is (713) 776-2400.

Psychologist with taxonomy code 103T00000X.

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