CLARK L CARROL M.D.
NPI 1629267224
Radiology - Diagnostic Radiology in Sioux Falls, SD

NPI Status: Active since October 18, 2007

Contact Information

BOX 1020665
SIOUX FALLS, SD
ZIP 57186
Phone: (415) 632-3166

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About CLARK CARROL

This page provides the complete NPI Profile along with additional information for Clark Carrol, a provider established in Sioux Falls, South Dakota with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1629267224 assigned on October 2007. The practitioner's primary taxonomy code is 2085R0202X with license number C40567 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1629267224
Provider Name
CLARK L CARROL M.D.
Gender
Male
Entity Type
Individual
Location Address
BOX 1020665 SIOUX FALLS, SD 57186
Location Phone
(415) 632-3166
Mailing Address
BOX 1020665 SIOUX FALLS, SD 57186
Is Sole Proprietor?
Yes
Enumeration Date
10-18-2007
Last Update Date
06-30-2009
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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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
C40567
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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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 1629267224, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
4
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 2 → 4 2 → 4 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 4 + 9 + 4 + 6 + 1 + 4 + 2 + 4 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1629267224.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629267224, enumerated as an "individual" on October 18, 2007.

The provider is located at BOX 1020665 SIOUX FALLS, SD 57186 and the phone number is (415) 632-3166.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.