DR. SCOTT LOUCKS JOHNSTON PHD
NPI 1235128570
Psychologist - Clinical in San Diego, CA

NPI Status: Active since October 19, 2005

Contact Information

2000 TRIDENT WAY
SAN DIEGO, CA
ZIP 92155
Phone: (619) 537-5117

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  • Individual
  • Male
  • Psychologist
  • Clinical

About SCOTT JOHNSTON

This page provides the complete NPI Profile along with additional information for Scott Johnston, a provider established in San Diego, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1235128570 assigned on October 2005. The practitioner's primary taxonomy code is 103TC0700X with license number 795 (AL). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1235128570
Provider Name
DR. SCOTT LOUCKS JOHNSTON PHD
Gender
Male
Entity Type
Individual
Location Address
2000 TRIDENT WAY SAN DIEGO, CA 92155
Location Phone
(619) 537-5117
Mailing Address
2139 FORT STOCKTON DR SAN DIEGO, CA 92103
Mailing Phone
(619) 537-5188
Is Sole Proprietor?
No
Enumeration Date
10-19-2005
Last Update Date
03-16-2021
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A clinical psychologist like Scott Johnston 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.

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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
795
License State
AL
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 1235128570, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 3 → 6 1 → 2 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 2 + 2 + 1 + 6 + 5 + 1 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1235128570.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Physician Assistant
2000 TRIDENT WAY, MEDICAL DEPARTMENT CODE 04
SAN DIEGO, CA 92155
Emergency Medicine (Undersea and Hyperbaric Medicine)
2000 TRIDENT WAY
SAN DIEGO, CA 92155
Registered Nurse (Case Management)
2000 TRIDENT WAY, BLDG 600 LOGSU
SAN DIEGO, CA 92155
Physical Therapist
2000 TRIDENT WAY, BLDG #636
SAN DIEGO, CA 92155
Specialist/Technologist (Athletic Trainer)
2000 TRIDENT WAY, BLDG 624
SAN DIEGO, CA 92155
Contractor
2000 TRIDENT WAY, 211
SAN DIEGO, CA 92155
Psychologist (Clinical)
2000 TRIDENT WAY
SAN DIEGO, CA 92155
Specialist/Technologist (Athletic Trainer)
2000 TRIDENT WAY
SAN DIEGO, CA 92155
General Practice
2000 TRIDENT WAY
SAN DIEGO, CA 92155
Military Health Care Provider
2000 TRIDENT WAY
SAN DIEGO, CA 92155
Physical Therapist (Sports)
2000 TRIDENT WAY
SAN DIEGO, CA 92155

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235128570, enumerated as an "individual" on October 19, 2005.

The provider is located at 2000 TRIDENT WAY SAN DIEGO, CA 92155 and the phone number is (619) 537-5117.

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