MARK T SKELTON DMD PC
NPI 1093665135
Clinic/Center - Dental in Fort Payne, AL

NPI Status: Active since January 29, 2026

Contact Information

2101 GRAND AVE NW
FORT PAYNE, AL
ZIP 35967
Phone: (256) 845-9899
Fax: (256) 845-9919

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  • Organization
  • Clinic/Center
  • Dental

About MARK T SKELTON DMD PC

This page provides the complete NPI Profile along with additional information for Mark T Skelton Dmd Pc, a provider established in Fort Payne, Alabama operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1093665135 assigned on January 2026. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated January 2026. The authorized official of this NPI record is Mark Skelton Dmd (Dentist)

NPI
1093665135
Provider Name
MARK T SKELTON DMD PC
Entity Type
Organization
Location Address
2101 GRAND AVE NW FORT PAYNE, AL 35967
Location Phone
(256) 845-9899
Location Fax
(256) 845-9919
Mailing Address
2101 GRAND AVE NW FORT PAYNE, AL 35967
Mailing Phone
(256) 845-9899
Mailing Fax
(256) 845-9919
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-29-2026
Last Update Date
01-29-2026
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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

Clinic/Center Dental

Taxonomy Code
261QD0000X
Type
Ambulatory Health Care Facilities

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MARK SKELTON DMD

Authorized Official Title
DENTIST
Authorized Official Phone
(256) 845-9899

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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 1093665135, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
5
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 9 → 18 → 9 6 → 12 → 3 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 1 + 2 + 6 + 1 + 0 + 1 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1093665135.

Other Providers at the Same Location


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

Dentist (General Practice)
2101 GRAND AVE NW
FORT PAYNE, AL 35967

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093665135, enumerated as an "organization" on January 29, 2026.

The provider is located at 2101 GRAND AVE NW FORT PAYNE, AL 35967 and the phone number is (256) 845-9899.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.