DR. DAVID OWEN CLAYTON M.D.
NPI 1992866883
Psychiatry & Neurology - Psychiatry in Fairfax, VA
NPI Status: Active since December 13, 2006
Contact Information
3959 PENDER DR
SUITE 320
FAIRFAX, VA
ZIP 22030
Phone: (703) 352-3822
Fax: (703) 385-8353
- Individual
- Male
- Psychiatry & Neurology
- Psychiatry
About DAVID CLAYTON
This page provides the complete NPI Profile along with additional information for David Clayton, a provider established in Fairfax, Virginia with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1992866883 assigned on December 2006. The practitioner's primary taxonomy code is 2084P0800X with license number 0101233247 (VA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1992866883
- Provider Name
- DR. DAVID OWEN CLAYTON M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3959 PENDER DR SUITE 320 FAIRFAX, VA 22030
- Location Phone
- (703) 352-3822
- Location Fax
- (703) 385-8353
- Mailing Address
- 3959 PENDER DR SUITE 320 FAIRFAX, VA 22030
- Mailing Phone
- (703) 352-3822
- Mailing Fax
- (703) 385-8353
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-13-2006
- Last Update Date
- 09-11-2025
- Code Navigator
A psychiatrist like David Clayton are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.
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
Psychiatry & Neurology Psychiatry
- Taxonomy Code
- 2084P0800X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 0101233247
- License State
- VA
- Taxonomy Description
- A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other 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 | 2084P0804X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | 0101233247 (VA) |
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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 1992866883, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).
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 77 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
FAIRFAX, VA 22030
FAIRFAX, VA 22030
FAIRFAX, VA 22030
FAIRFAX, VA 22030
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992866883, enumerated as an "individual" on December 13, 2006.
The provider is located at 3959 PENDER DR SUITE 320 FAIRFAX, VA 22030 and the phone number is (703) 352-3822.
Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.
