ALEXA WALTHALL PHD
NPI 1316420607
Psychologist in Rancho Santa Margarita, CA

NPI Status: Active since September 12, 2018

Contact Information

29863 SANTA MARGARITA PKWY STE 100
RANCHO SANTA MARGARITA, CA
ZIP 92688
Phone: (949) 713-3188
Fax: (949) 713-3189

Get Directions Write a Review

  • Individual
  • Female
  • Psychologist

About ALEXA WALTHALL

This page provides the complete NPI Profile along with additional information for Alexa Walthall, a provider established in Rancho Santa Margarita, California with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1316420607 assigned on September 2018. The practitioner's primary taxonomy code is 103T00000X with license number PSY21939 (CA). The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI
1316420607
Provider Name
ALEXA WALTHALL PHD
Gender
Female
Entity Type
Individual
Location Address
29863 SANTA MARGARITA PKWY STE 100 RANCHO SANTA MARGARITA, CA 92688
Location Phone
(949) 713-3188
Location Fax
(949) 713-3189
Mailing Address
29863 SANTA MARGARITA PKWY STE 100 RANCHO SANTA MARGARITA, CA 92688
Mailing Phone
(949) 713-3188
Mailing Fax
(949) 713-3189
Is Sole Proprietor?
Yes
Enumeration Date
09-12-2018
Last Update Date
09-12-2018
Code Navigator

A psychologist like Alexa Walthall 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.
PSY21939
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.

Reviews for ALEXA WALTHALL PHD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1316420607, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
Check
7
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 1 → 2 4 → 8 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 + 3 + 2 + 6 + 8 + 2 + 0 + 6 + 0 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1316420607.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Clinic/Center (Developmental Disabilities)
29863 SANTA MARGARITA PKWY STE 100
RANCHO SANTA MARGARITA, CA 92688

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316420607, enumerated as an "individual" on September 12, 2018.

The provider is located at 29863 SANTA MARGARITA PKWY STE 100 RANCHO SANTA MARGARITA, CA 92688 and the phone number is (949) 713-3188.

Psychologist with taxonomy code 103T00000X.