DR. MARK F GRAHAM ED.D., LPC-S
NPI 1881876258
Counselor - Professional in Covington, LA
NPI Status: Active since November 28, 2007
Contact Information
100 SOUTH TYLER ST.
SUITE 7-A
COVINGTON, LA
ZIP 70433
Phone: (985) 893-4411
Fax: (985) 893-4411
- Individual
- Male
- Counselor
- Professional
About MARK GRAHAM
This page provides the complete NPI Profile along with additional information for Mark Graham, a provider established in Covington, Louisiana with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1881876258 assigned on November 2007. The practitioner's primary taxonomy code is 101YP2500X with license number 383 (LA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1881876258
- Provider Name
- DR. MARK F GRAHAM ED.D., LPC-S
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 100 SOUTH TYLER ST. SUITE 7-A COVINGTON, LA 70433
- Location Phone
- (985) 893-4411
- Location Fax
- (985) 893-4411
- Mailing Address
- 25 SPRUCE DR COVINGTON, LA 70433
- Mailing Phone
- (985) 246-9315
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-28-2007
- Last Update Date
- 04-11-2025
- 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
Counselor Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 383
- License State
- LA
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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 1881876258, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
COVINGTON, LA 70433
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1881876258, enumerated as an "individual" on November 28, 2007.
The provider is located at 100 SOUTH TYLER ST. SUITE 7-A COVINGTON, LA 70433 and the phone number is (985) 893-4411.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
