DR. DAVID FREDERICK DAHL PH.D.
NPI 1124141031
Clinical Neuropsychologist in Campbell, CA
NPI Status: Active since April 06, 2007
Contact Information
2542 S BASCOM AVE
STE 265
CAMPBELL, CA
ZIP 95008
Phone: (408) 793-0313
Fax: (408) 796-7592
- Individual
- Male
- Clinical Neuropsychologist
About DAVID DAHL
This page provides the complete NPI Profile along with additional information for David Dahl, a provider established in Campbell, California with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1124141031 assigned on April 2007. The practitioner's primary taxonomy code is 103G00000X with license number PSY 19014 (CA). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1124141031
- Provider Name
- DR. DAVID FREDERICK DAHL PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2542 S BASCOM AVE STE 265 CAMPBELL, CA 95008
- Location Phone
- (408) 793-0313
- Location Fax
- (408) 796-7592
- Mailing Address
- 2542 S BASCOM AVE STE 265 CAMPBELL, CA 95008
- Mailing Phone
- (408) 793-0313
- Mailing Fax
- (408) 796-7592
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-06-2007
- Last Update Date
- 04-12-2016
- Code Navigator
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
Clinical Neuropsychologist
- Taxonomy Code
- 103G00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PSY 19014
- License State
- CA
- Taxonomy Description
- A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 2 | 103TA0400X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 3 | 103TA0700X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 4 | 103TB0200X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 5 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 6 | 103TC2200X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 7 | 103TF0000X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 8 | 103TF0200X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
| 9 | 103TR0400X | Behavioral Health & Social Service Providers | Psychologist | PSY 19014 (CA) |
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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 1124141031, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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 49 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 11 providers are registered at the same or a nearby location.
CAMPBELL, CA 95008
CAMPBELL, CA 95008
CAMPBELL, CA 95008
CAMPBELL, CA 95008
CAMPBELL, CA 95008
CAMPBELL, CA 95008
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124141031, enumerated as an "individual" on April 06, 2007.
The provider is located at 2542 S BASCOM AVE STE 265 CAMPBELL, CA 95008 and the phone number is (408) 793-0313.
Clinical Neuropsychologist with taxonomy code 103G00000X.
