SILOAM SPRINGS DENTAL CARE PLLC
NPI 1255285094
Clinic/Center - Dental in Siloam Springs, AR

NPI Status: Active since February 26, 2026

Contact Information

740 S HOLLY ST
SILOAM SPRINGS, AR
ZIP 72761
Phone: (479) 549-4746
Fax: (479) 549-4747

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  • Organization
  • Clinic/Center
  • Dental
  • CLIA Number: 04D2300486
  • CLIA Cert. Type: Federally Qualified Health Center
  • CLIA Exp. Date: 02-11-2027

About SILOAM SPRINGS DENTAL CARE PLLC

This page provides the complete NPI Profile along with additional information for Siloam Springs Dental Care Pllc, a provider established in Siloam Springs, Arkansas operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1255285094 assigned on February 2026. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Michael Mcdonald Dds (Owner)

NPI
1255285094
Provider Name
SILOAM SPRINGS DENTAL CARE PLLC
Entity Type
Organization
Location Address
740 S HOLLY ST SILOAM SPRINGS, AR 72761
Location Phone
(479) 549-4746
Location Fax
(479) 549-4747
Mailing Address
740 S HOLLY ST SILOAM SPRINGS, AR 72761
Mailing Phone
(479) 549-4746
Mailing Fax
(479) 549-4747
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-26-2026
Last Update Date
02-26-2026
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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

MICHAEL MCDONALD DDS

Authorized Official Title
OWNER
Authorized Official Phone
(210) 956-0517

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
04D2300486
Facility Type
Federally Qualified Health Center
Certificate Effective Date
February 12, 2025
Certificate Expiration Date
February 11, 2027
Laboratory Director
DR. ROGER W. YOUMANS
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Siloam Springs Dental Care Pllc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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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 1255285094, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 5 → 10 → 1 2 → 4 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 4 + 8 + 1 + 0 + 0 + 1 + 8 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1255285094.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Dentist
740 S HOLLY ST
SILOAM SPRINGS, AR 72761
Clinic/Center (Dental)
740 S HOLLY ST
SILOAM SPRINGS, AR 72761
Clinic/Center (Dental)
740 S HOLLY ST
SILOAM SPRINGS, AR 72761

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255285094, enumerated as an "organization" on February 26, 2026.

The provider is located at 740 S HOLLY ST SILOAM SPRINGS, AR 72761 and the phone number is (479) 549-4746.

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