LIONVILLE DENTAL ASSOCIATES, LLC
NPI 1649438839
Clinic/Center - Dental in Exton, PA

NPI Status: Active since May 26, 2008

Contact Information

67 DOWLIN FORGE RD STE C
EXTON, PA
ZIP 19341
Phone: (610) 594-2001

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  • Organization
  • Clinic/Center
  • Dental
  • CLIA Number: 39D2290719
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 09-28-2027

About LIONVILLE DENTAL ASSOCIATES, LLC

This page provides the complete NPI Profile along with additional information for Lionville Dental Associates, Llc, a provider established in Exton, Pennsylvania operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1649438839 assigned on May 2008. The practitioner's primary taxonomy code is 261QD0000X with license number DS017468L (PA). The provider is registered as an organization and their NPI record was last updated 18 years ago. The authorized official of this NPI record is Dr. Thomas M Zaccaria Ddr (Member)

NPI
1649438839
Provider Name
LIONVILLE DENTAL ASSOCIATES, LLC
Entity Type
Organization
Location Address
67 DOWLIN FORGE RD STE C EXTON, PA 19341
Location Phone
(610) 594-2001
Mailing Address
67 DOWLIN FORGE RD STE C EXTON, PA 19341
Mailing Phone
(610) 594-2001
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-26-2008
Last Update Date
05-26-2008
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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
License No.
DS017468L
License State
PA

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. THOMAS M ZACCARIA DDR

Authorized Official Title
MEMBER
Authorized Official Phone
(610) 594-2001

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
39D2290719
Facility Type
Physician Office
Certificate Effective Date
September 29, 2025
Certificate Expiration Date
September 28, 2027
Laboratory Director
DR. LINDA N. TRAN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Lionville Dental Associates, 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 1649438839, we treat the final digit (9) 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 81. The final step is to find the difference between that total and the next multiple of ten (90 - 81 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 8 + 3 + 1 + 6 + 8 + 6 + 24 = 81

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

The next multiple of ten after 81 is 90. The difference is the calculated check digit.

90 - 81 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1649438839.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649438839, enumerated as an "organization" on May 26, 2008.

The provider is located at 67 DOWLIN FORGE RD STE C EXTON, PA 19341 and the phone number is (610) 594-2001.

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