DR. DOUGLAS JOHNSON
NPI 1144354978
Psychologist - Clinical Child & Adolescent in Lynwood, CA

NPI Status: Active since March 15, 2007

Contact Information

3737 MARTIN LUTHER KING JR BLVD
SUITE 612
LYNWOOD, CA
ZIP 90262
Phone: (310) 603-2795

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  • Individual
  • Male
  • Psychologist
  • Clinical Child & Adolescent

About DOUGLAS JOHNSON

This page provides the complete NPI Profile along with additional information for Douglas Johnson, a provider established in Lynwood, California with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1144354978 assigned on March 2007. The practitioner's primary taxonomy code is 103TC2200X with license number PSY19213 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1144354978
Provider Name
DR. DOUGLAS JOHNSON
Gender
Male
Entity Type
Individual
Location Address
3737 MARTIN LUTHER KING JR BLVD SUITE 612 LYNWOOD, CA 90262
Location Phone
(310) 603-2795
Mailing Address
3737 MARTIN LUTHER KING JR BLVD SUITE 612 LYNWOOD, CA 90262
Mailing Phone
(310) 603-2795
Is Sole Proprietor?
No
Enumeration Date
03-15-2007
Last Update Date
07-08-2007
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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 Child & Adolescent

Taxonomy Code
103TC2200X
Type
Behavioral Health & Social Service Providers
License No.
PSY19213
License State
CA
Taxonomy Description
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

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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 1144354978, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 6 + 5 + 8 + 9 + 1 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1144354978.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
3737 MARTIN LUTHER KING JR BLVD, STE 401
LYNWOOD, CA 90262
Internal Medicine (Cardiovascular Disease)
3737 MARTIN LUTHER KING JR BLVD, SUITE 401
LYNWOOD, CA 90262
Radiology (Diagnostic Radiology)
3737 MARTIN LUTHER KING JR BLVD, SUITE 104
LYNWOOD, CA 90262
Nurse Practitioner
3737 MARTIN LUTHER KING JR BLVD, 605
LYNWOOD, CA 90262
Nurse Practitioner
3737 MARTIN LUTHER KING JR BLVD, 605
LYNWOOD, CA 90262
Specialist
3737 MARTIN LUTHER KING JR BLVD, SUITE #604
LYNWOOD, CA 90262
Psychologist (Clinical)
3737 MARTIN LUTHER KING JR BLVD, #385
LYNWOOD, CA 90262
Pharmacy (Community/Retail Pharmacy)
3737 MARTIN LUTHER KING JR BLVD, SUITE 101
LYNWOOD, CA 90262
Social Worker (Clinical)
3737 MARTIN LUTHER KING JR BLVD, SUITE 550
LYNWOOD, CA 90262
Community/Behavioral Health
3737 MARTIN LUTHER KING JR BLVD, SUITE 500
LYNWOOD, CA 90262
General Practice
3737 MARTIN LUTHER KING JR BLVD, SUITE 106
LYNWOOD, CA 90262
Physician Assistant (Medical)
3737 MARTIN LUTHER KING JR BLVD, SUITE 106
LYNWOOD, CA 90262
Clinic/Center (Urgent Care)
3737 MARTIN LUTHER KING JR BLVD, SUITE 401
LYNWOOD, CA 90262
Rehabilitation Practitioner
3737 MARTIN LUTHER KING JR BLVD, SUITE 500
LYNWOOD, CA 90262
Marriage & Family Therapist
3737 MARTIN LUTHER KING JR BLVD, 550
LYNWOOD, CA 90262
Marriage & Family Therapist
3737 MARTIN LUTHER KING JR BLVD
LYNWOOD, CA 90262
Marriage & Family Therapist
3737 MARTIN LUTHER KING JR BLVD, SUITE 550
LYNWOOD, CA 90262
Case Manager/Care Coordinator
3737 MARTIN LUTHER KING JR BLVD, #421
LYNWOOD, CA 90262
Case Manager/Care Coordinator
3737 MARTIN LUTHER KING JR BLVD
LYNWOOD, CA 90262
Rehabilitation Practitioner
3737 MARTIN LUTHER KING JR BLVD, # 421
LYNWOOD, CA 90262

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144354978, enumerated as an "individual" on March 15, 2007.

The provider is located at 3737 MARTIN LUTHER KING JR BLVD SUITE 612 LYNWOOD, CA 90262 and the phone number is (310) 603-2795.

Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.