DR. RHONDA LUCY HACKSHAW PH.D.
NPI 1790950004
Psychologist in La Jolla, CA

NPI Status: Active since April 28, 2008

Contact Information

9500 GILMAN DR
#0304
LA JOLLA, CA
ZIP 92093
Phone: (858) 534-5981
Fax: (858) 534-2628

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  • Individual
  • Female
  • Psychologist

About RHONDA HACKSHAW

This page provides the complete NPI Profile along with additional information for Rhonda Hackshaw, a provider established in La Jolla, California with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1790950004 assigned on April 2008. The practitioner's primary taxonomy code is 103T00000X with license number PSY21101 (CA). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1790950004
Provider Name
DR. RHONDA LUCY HACKSHAW PH.D.
Gender
Female
Entity Type
Individual
Location Address
9500 GILMAN DR #0304 LA JOLLA, CA 92093
Location Phone
(858) 534-5981
Location Fax
(858) 534-2628
Mailing Address
9500 GILMAN DR #0304 LA JOLLA, CA 92093
Mailing Phone
(858) 534-5981
Mailing Fax
(858) 534-2628
Is Sole Proprietor?
No
Enumeration Date
04-28-2008
Last Update Date
04-28-2008
Code Navigator

A psychologist like Rhonda Hackshaw 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.
PSY21101
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.

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)
1103TC1900XBehavioral Health & Social Service Providers

Psychologist
Counseling

PSY21101 (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 1790950004, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 8 + 5 + 0 + 0 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1790950004.

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

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Internal Medicine (Rheumatology)
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Psychiatry & Neurology (Neurology)
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Obstetrics & Gynecology
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Specialist
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Student in an Organized Health Care Education/Training Program
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Pharmacist (Pharmacotherapy)
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Pharmacist
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Nurse Practitioner (Women's Health)
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Nurse Practitioner (Adult Health)
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790950004, enumerated as an "individual" on April 28, 2008.

The provider is located at 9500 GILMAN DR #0304 LA JOLLA, CA 92093 and the phone number is (858) 534-5981.

Psychologist with taxonomy code 103T00000X.