DR. DOUGLAS WAYNE LARSON PH.D.
NPI 1801011580
Psychologist - Clinical in Colton, CA

NPI Status: Active since April 16, 2007

Contact Information

1430 E COOLEY DR
SUITE 209
COLTON, CA
ZIP 92324
Phone: (909) 798-8999

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  • Individual
  • Male
  • Psychologist
  • Clinical

About DOUGLAS LARSON

This page provides the complete NPI Profile along with additional information for Douglas Larson, a provider established in Colton, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1801011580 assigned on April 2007. The practitioner's primary taxonomy code is 103TC0700X with license number PSY9281 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1801011580
Provider Name
DR. DOUGLAS WAYNE LARSON PH.D.
Gender
Male
Entity Type
Individual
Location Address
1430 E COOLEY DR SUITE 209 COLTON, CA 92324
Location Phone
(909) 798-8999
Mailing Address
11454 GOLDEN GATE DR YUCAIPA, CA 92399
Mailing Phone
(909) 798-8999
Is Sole Proprietor?
Yes
Enumeration Date
04-16-2007
Last Update Date
07-08-2007
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A clinical psychologist like Douglas Larson assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help 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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PSY9281
License State
CA
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1801011580, 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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 0 → 0 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 0 + 1 + 2 + 5 + 1 + 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 1801011580.

Other Providers at the Same Location


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

Marriage & Family Therapist
1430 E COOLEY DR, SUITE 111
COLTON, CA 92324
Durable Medical Equipment & Medical Supplies
1430 E COOLEY DR, SUITE 200
COLTON, CA 92324
Marriage & Family Therapist
1430 E COOLEY DR, SUITE 111
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR, SUITE 240
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR, #240
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR
COLTON, CA 92324
Marriage & Family Therapist
1430 E COOLEY DR, SUITE 111
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR, SUITE 240
COLTON, CA 92324
Counselor
1430 E COOLEY DR
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR
COLTON, CA 92324
Hospice Care, Community Based
1430 E COOLEY DR, SUITE 124
COLTON, CA 92324
Counselor (Mental Health)
1430 E COOLEY DR, SUITE 240
COLTON, CA 92324
Durable Medical Equipment & Medical Supplies
1430 E COOLEY DR, SUITE 200
COLTON, CA 92324
Community Health Worker
1430 E COOLEY DR, SUITE 111
COLTON, CA 92324
Marriage & Family Therapist
1430 E COOLEY DR, 111
COLTON, CA 92324
Case Manager/Care Coordinator
1430 E COOLEY DR
COLTON, CA 92324
Social Worker (Clinical)
1430 E COOLEY DR, STE. 111
COLTON, CA 92324

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801011580, enumerated as an "individual" on April 16, 2007.

The provider is located at 1430 E COOLEY DR SUITE 209 COLTON, CA 92324 and the phone number is (909) 798-8999.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.