TEWKSBURY FAMILY DENTAL, LLC
NPI 1972792083
Clinic/Center - Dental in Tewksbury, MA

NPI Status: Active since October 15, 2007

Contact Information

1120 MAIN ST
TEWKSBURY, MA
ZIP 01876
Phone: (978) 851-8888

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  • Organization
  • Clinic/Center
  • Dental
  • CLIA Number: 22D1076818
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-25-2027

About TEWKSBURY FAMILY DENTAL, LLC

This page provides the complete NPI Profile along with additional information for Tewksbury Family Dental, Llc, a provider established in Tewksbury, Massachusetts operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1972792083 assigned on October 2007. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated 19 years ago. The authorized official of this NPI record is Arghavan Shahidi Dmd (Owner)

NPI
1972792083
Provider Name
TEWKSBURY FAMILY DENTAL, LLC
Entity Type
Organization
Location Address
1120 MAIN ST TEWKSBURY, MA 01876
Location Phone
(978) 851-8888
Mailing Address
1120 MAIN ST TEWKSBURY, MA 01876
Mailing Phone
(978) 851-8888
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-15-2007
Last Update Date
10-15-2007
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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

ARGHAVAN SHAHIDI DMD

Authorized Official Title
OWNER
Authorized Official Phone
(978) 851-8888

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
22D1076818
Facility Type
Physician Office
Certificate Effective Date
November 26, 2025
Certificate Expiration Date
November 25, 2027
Laboratory Director
JOHN A. RAGUCCI
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tewksbury Family Dental, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1972792083, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 7 → 14 → 5 7 → 14 → 5 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 4 + 9 + 4 + 0 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1972792083.

Other Providers at the Same Location


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

Day Training, Developmentally Disabled Services
1120 MAIN ST
TEWKSBURY, MA 01876
Dentist
1120 MAIN ST
TEWKSBURY, MA 01876

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972792083, enumerated as an "organization" on October 15, 2007.

The provider is located at 1120 MAIN ST TEWKSBURY, MA 01876 and the phone number is (978) 851-8888.

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