DR. DAVID O BLACK PHD
NPI 1801044896
Clinical Neuropsychologist in Chevy Chase, MD
NPI Status: Active since September 03, 2008
Contact Information
8401 CONNECTICUT AVE STE 1000
CHEVY CHASE, MD
ZIP 20815
Phone: (240) 424-0184
Fax: (240) 580-2360
- Individual
- Male
- Clinical Neuropsychologist
About DAVID BLACK
This page provides the complete NPI Profile along with additional information for David Black, a provider established in Chevy Chase, Maryland with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1801044896 assigned on September 2008. The practitioner's primary taxonomy code is 103G00000X with license number 04542 (MD). The provider is registered as an individual and his NPI record was last updated 2 years ago.
- NPI
- 1801044896
- Provider Name
- DR. DAVID O BLACK PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 8401 CONNECTICUT AVE STE 1000 CHEVY CHASE, MD 20815
- Location Phone
- (240) 424-0184
- Location Fax
- (240) 580-2360
- Mailing Address
- 8401 CONNECTICUT AVE STE 700 CHEVY CHASE, MD 20815
- Mailing Phone
- (402) 424-0184
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-03-2008
- Last Update Date
- 10-02-2024
- 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.
- 04542
- License State
- MD
- 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 | 103TB0200X | Behavioral Health & Social Service Providers | Psychologist | 04542 (MD) |
| 2 | 103TC2200X | Behavioral Health & Social Service Providers | Psychologist | 04542 (MD) |
| 3 | 103TM1800X | Behavioral Health & Social Service Providers | Psychologist | 04542 (MD) |
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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 1801044896, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
CHEVY CHASE, MD 20815
CHEVY CHASE, MD 20815
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1801044896, enumerated as an "individual" on September 03, 2008.
The provider is located at 8401 CONNECTICUT AVE STE 1000 CHEVY CHASE, MD 20815 and the phone number is (240) 424-0184.
Clinical Neuropsychologist with taxonomy code 103G00000X.
