DR. GARETH HARRISON PSYD
NPI 1760253892
Psychologist - Cognitive & Behavioral in Washington, DC
NPI Status: Active since January 09, 2024
Contact Information
1729 21ST ST NW
WASHINGTON, DC
ZIP 20009
Phone: (202) 234-0903
- Individual
- Male
- Psychologist
- Cognitive & Behavioral
- Opted-Out Medicare
About GARETH HARRISON
This page provides the complete NPI Profile along with additional information for Gareth Harrison, a provider established in Washington, District Of Columbia with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1760253892 assigned on January 2024. The practitioner's primary taxonomy code is 103TB0200X. The provider is registered as an individual and his NPI record was last updated 3 years ago.
- NPI
- 1760253892
- Provider Name
- DR. GARETH HARRISON PSYD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1729 21ST ST NW WASHINGTON, DC 20009
- Location Phone
- (202) 234-0903
- Mailing Address
- 7618 CLARENDON RD BETHESDA, MD 20814
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-09-2024
- Last Update Date
- 01-09-2024
- Code Navigator
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Gareth Harrison opted out of Medicare effective on 12-18-2024 until 12-18-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
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 Cognitive & Behavioral
- Taxonomy Code
- 103TB0200X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
Medicare Participation & PECOS Enrollment Status
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 12-18-2024
Opt-Out End Date: 12-18-2026
Eligible to Order and Refer? No
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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 1760253892, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1760253892, enumerated as an "individual" on January 09, 2024.
The provider is located at 1729 21ST ST NW WASHINGTON, DC 20009 and the phone number is (202) 234-0903.
Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.
