GRETA L KERWIN PSYD
NPI 1871594523
Psychologist in Dallas, TX

NPI Status: Active since August 03, 2005

Contact Information

8117 PRESTON RD
SUITE 300
DALLAS, TX
ZIP 75225
Phone: (214) 907-2433
Fax: (888) 519-5344

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  • Individual
  • Female
  • Psychologist

About GRETA KERWIN

This page provides the complete NPI Profile along with additional information for Greta Kerwin, a provider established in Dallas, Texas with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1871594523 assigned on August 2005. The practitioner's primary taxonomy code is 103T00000X with license number 32241 (TX). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI
1871594523
Provider Name
GRETA L KERWIN PSYD
Gender
Female
Entity Type
Individual
Location Address
8117 PRESTON RD SUITE 300 DALLAS, TX 75225
Location Phone
(214) 907-2433
Location Fax
(888) 519-5344
Mailing Address
8117 PRESTON RD SUITE 300 DALLAS, TX 75225
Mailing Phone
(214) 907-2433
Mailing Fax
(888) 519-5344
Is Sole Proprietor?
No
Enumeration Date
08-03-2005
Last Update Date
04-27-2012
Code Navigator

A psychologist like Greta Kerwin 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.
32241
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.

*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
8D0717MEDICARE ID-TYPE UNSPECIFIED (04)TX 
153806802MEDICAID (05)TX 

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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 1871594523, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
8
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
Check
3
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 7 → 14 → 5 5 → 10 → 1 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 0 + 9 + 8 + 5 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1871594523.

Other Providers at the Same Location


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

Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
8117 PRESTON RD, SUITE 530
DALLAS, TX 75225
Dentist (General Practice)
8117 PRESTON RD, SUITE 150
DALLAS, TX 75225
Counselor (Professional)
8117 PRESTON RD, SUITE 300
DALLAS, TX 75225
Specialist
8117 PRESTON RD, SUITE 470
DALLAS, TX 75225
Clinic/Center (Physical Therapy)
8117 PRESTON RD, SUITE 530
DALLAS, TX 75225
Counselor (Professional)
8117 PRESTON RD, STE 300
DALLAS, TX 75225
Counselor (Professional)
8117 PRESTON RD
DALLAS, TX 75225
Dentist (General Practice)
8117 PRESTON RD, SUITE 170
DALLAS, TX 75225
Dentist (General Practice)
8117 PRESTON RD, SUITE 170
DALLAS, TX 75225
Health Educator
8117 PRESTON RD, SUITE 300
DALLAS, TX 75225
Chiropractor
8117 PRESTON RD, SUITE 680 WEST
DALLAS, TX 75225
Counselor (Mental Health)
8117 PRESTON RD, STE 300
DALLAS, TX 75225
Nurse Practitioner (Family)
8117 PRESTON RD, SUITE: 800
DALLAS, TX 75225
Social Worker (Clinical)
8117 PRESTON RD, SUITE 300
DALLAS, TX 75225
Clinic/Center (Dental)
8117 PRESTON RD
DALLAS, TX 75225
Internal Medicine
8117 PRESTON RD
DALLAS, TX 75225
Psychologist (Clinical)
8117 PRESTON RD, SUITE 300
DALLAS, TX 75225
Dentist (Prosthodontics)
8117 PRESTON RD, STE 170
DALLAS, TX 75225

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871594523, enumerated as an "individual" on August 03, 2005.

The provider is located at 8117 PRESTON RD SUITE 300 DALLAS, TX 75225 and the phone number is (214) 907-2433.

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.