CHARM SMILE DENTAL PLLC
NPI 1306672217
Clinic/Center - Dental in Concord, NH

NPI Status: Active since September 09, 2024

Contact Information

54 SOUTH ST
CONCORD, NH
ZIP 03301
Phone: (603) 228-0123
Fax: (603) 228-0124

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  • Organization
  • Clinic/Center
  • Dental

About CHARM SMILE DENTAL PLLC

This page provides the complete NPI Profile along with additional information for Charm Smile Dental Pllc, a provider established in Concord, New Hampshire operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1306672217 assigned on September 2024. 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 Mahmoud Homsi Dmd (Owner)

NPI
1306672217
Provider Name
CHARM SMILE DENTAL PLLC
Entity Type
Organization
Location Address
54 SOUTH ST CONCORD, NH 03301
Location Phone
(603) 228-0123
Location Fax
(603) 228-0124
Mailing Address
54 SOUTH ST CONCORD, NH 03301
Mailing Phone
(603) 228-0123
Mailing Fax
(603) 228-0124
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-09-2024
Last Update Date
02-06-2026
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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

MAHMOUD HOMSI DMD

Authorized Official Title
OWNER
Authorized Official Phone
(215) 530-5111

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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 1306672217, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 2 + 7 + 4 + 2 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1306672217.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dentist (General Practice)
54 SOUTH ST
CONCORD, NH 03301
Dentist (General Practice)
54 SOUTH ST
CONCORD, NH 03301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306672217, enumerated as an "organization" on September 09, 2024.

The provider is located at 54 SOUTH ST CONCORD, NH 03301 and the phone number is (603) 228-0123.

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