DR. DWIGHT WILLIAM LOUDON D.D.S.
NPI 1740439074
Dentist - General Practice in Sioux Falls, SD

NPI Status: Active since September 10, 2008

Contact Information

3005 S PHILLIPS AVE
SIOUX FALLS, SD
ZIP 57105
Phone: (605) 338-7411
Fax: (605) 338-6368

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  • Individual
  • Male
  • Dentist
  • General Practice

About DWIGHT LOUDON

This page provides the complete NPI Profile along with additional information for Dwight Loudon, a provider established in Sioux Falls, South Dakota with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1740439074 assigned on September 2008. The practitioner's primary taxonomy code is 1223G0001X with license number M691 (SD). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1740439074
Provider Name
DR. DWIGHT WILLIAM LOUDON D.D.S.
Gender
Male
Entity Type
Individual
Location Address
3005 S PHILLIPS AVE SIOUX FALLS, SD 57105
Location Phone
(605) 338-7411
Location Fax
(605) 338-6368
Mailing Address
3005 S PHILLIPS AVE SIOUX FALLS, SD 57105
Mailing Phone
(605) 338-7411
Mailing Fax
(605) 338-6368
Is Sole Proprietor?
No
Enumeration Date
09-10-2008
Last Update Date
09-10-2008
Code Navigator

A dentist like Dwight Loudon is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
M691
License State
SD
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1740439074, 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 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 4 → 8 4 → 8 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 8 + 3 + 1 + 8 + 0 + 1 + 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 1740439074.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Clinic/Center (Dental)
3005 S PHILLIPS AVE
SIOUX FALLS, SD 57105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740439074, enumerated as an "individual" on September 10, 2008.

The provider is located at 3005 S PHILLIPS AVE SIOUX FALLS, SD 57105 and the phone number is (605) 338-7411.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.