DAVID JOHNSTON PH.D
NPI 1346308491
Psychologist - Clinical in Santa Cruz, CA
NPI Status: Active since December 04, 2006
Contact Information
104 WALNUT AVE STE 208
SANTA CRUZ, CA
ZIP 95060
Phone: (831) 423-9444
- Individual
- Male
- Psychologist
- Clinical
About DAVID JOHNSTON
This page provides the complete NPI Profile along with additional information for David Johnston, a provider established in Santa Cruz, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1346308491 assigned on December 2006. The practitioner's primary taxonomy code is 103TC0700X with license number PSY6698 (CA). The provider is registered as an individual and his NPI record was last updated 8 years ago.
- NPI
- 1346308491
- Provider Name
- DAVID JOHNSTON PH.D
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 104 WALNUT AVE STE 208 SANTA CRUZ, CA 95060
- Location Phone
- (831) 423-9444
- Mailing Address
- 624 ATRI CT WATSONVILLE, CA 95076
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-04-2006
- Last Update Date
- 10-30-2018
- Code Navigator
A clinical psychologist like David 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
Secondary Locations
- 2901 Park Ave Ste A3
Soquel, CA 95073
(831) 423-9444
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.
- PSY6698
- 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.
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Psychotherapy, 1 hour
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
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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 1346308491, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SANTA CRUZ, CA 95060
SANTA CRUZ, CA 95060
SANTA CRUZ, CA 95060
SANTA CRUZ, CA 95060
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1346308491, enumerated as an "individual" on December 04, 2006.
The provider is located at 104 WALNUT AVE STE 208 SANTA CRUZ, CA 95060 and the phone number is (831) 423-9444.
Psychologist with taxonomy code 103TC0700X and a focus in Clinical.
