ALEC MATHEWS DDS PC
NPI 1831981752
Clinic/Center - Dental in De Witt, IA

NPI Status: Active since May 19, 2025

Contact Information

907 11TH ST
DE WITT, IA
ZIP 52742
Phone: (319) 931-4387
Fax: (563) 659-2831

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  • Organization
  • Clinic/Center
  • Dental

About ALEC MATHEWS DDS PC

This page provides the complete NPI Profile along with additional information for Alec Mathews Dds Pc, a provider established in De Witt, Iowa operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1831981752 assigned on May 2025. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Dr. Alec Steven Mathews Dds (President)

NPI
1831981752
Provider Name
ALEC MATHEWS DDS PC
Entity Type
Organization
Location Address
907 11TH ST DE WITT, IA 52742
Location Phone
(319) 931-4387
Location Fax
(563) 659-2831
Mailing Address
907 11TH ST DE WITT, IA 52742
Mailing Phone
(319) 931-4387
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-19-2025
Last Update Date
05-19-2025
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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

DR. ALEC STEVEN MATHEWS DDS

Authorized Official Title
PRESIDENT
Authorized Official Phone
(319) 931-4387

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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 1831981752, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 8 + 8 + 2 + 7 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1831981752.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Dentist (General Practice)
907 11TH ST
DE WITT, IA 52742
Dentist
907 11TH ST
DE WITT, IA 52742
Dentist (General Practice)
907 11TH ST
DE WITT, IA 52742
Dentist
907 11TH ST
DE WITT, IA 52742

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831981752, enumerated as an "organization" on May 19, 2025.

The provider is located at 907 11TH ST DE WITT, IA 52742 and the phone number is (319) 931-4387.

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