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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
|Start with the original NPI number, the last digit is the check digit and is not used in the calculation.|
|Step 1: Double the value of the alternate digits, beginning with the rightmost digit.|
|Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.|
|2 + 0 + 4 + 3 + 4 + 2 + 1 + 0 + 7 + 1 + 8 + 24 = 56|
|Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.|
|60 - 56 = 4||4|
The NPI number 1023225794 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following provider is registered at the same or nearby location.
|NPI||Name / Type||Taxonomy||Address|
|1104884386|| MARK A WREN M.D. |
|Specialist||4613 PARKWAY DR STE 1 |
TEXARKANA, AR 71854
Frequently Asked Questions
What is MARK A. WREN, M.D., P.A. NPI number?
The NPI number assigned to this healthcare provider is 1023225794, enumerated in the NPI registry as an "organization" on May 16, 2007
Where is the provider located?
The provider is located at 4613 Parkway Dr Ste 1 Texarkana, Ar 71854 and the phone number is (870) 330-0496
What is the provider specialty code?
This medical organization specializes in Specialist with taxonomy code 174400000X
What insurance does MARK A. WREN, M.D., P.A. accept?
The provider might be accepting Blue Cross Blue Shield, Medicaid and Medicare. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.
How do I update my NPI information?
This NPI record was last updated on May 16, 2007. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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