THOMAS H DOWNS DDS LLC
NPI 1295907186
Clinic/Center - Dental in Centreville, MD

NPI Status: Active since March 31, 2008

Contact Information

100 PENNSYLVANIA AVE
CENTREVILLE, MD
ZIP 21617
Phone: (410) 758-0999
Fax: (410) 758-4318

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  • Organization
  • Clinic/Center
  • Dental

About THOMAS H DOWNS DDS LLC

This page provides the complete NPI Profile along with additional information for Thomas H Downs Dds Llc, a provider established in Centreville, Maryland operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1295907186 assigned on March 2008. The practitioner's primary taxonomy code is 261QD0000X with license number 7835 (MD). 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 Hicks Downs Dds (Owner)

NPI
1295907186
Provider Name
THOMAS H DOWNS DDS LLC
Entity Type
Organization
Location Address
100 PENNSYLVANIA AVE CENTREVILLE, MD 21617
Location Phone
(410) 758-0999
Location Fax
(410) 758-4318
Mailing Address
PO BOX 110 CENTREVILLE, MD 21617
Mailing Phone
(410) 758-0999
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-31-2008
Last Update Date
03-31-2008
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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.
7835
License State
MD

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 HICKS DOWNS DDS

Authorized Official Title
OWNER
Authorized Official Phone
(410) 758-0999

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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 1295907186, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 9 → 18 → 9 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 8 + 0 + 1 + 4 + 1 + 1 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295907186.

Other Providers at the Same Location


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

Dentist (General Practice)
100 PENNSYLVANIA AVE
CENTREVILLE, MD 21617
Dental Hygienist
100 PENNSYLVANIA AVE
CENTREVILLE, MD 21617

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295907186, enumerated as an "organization" on March 31, 2008.

The provider is located at 100 PENNSYLVANIA AVE CENTREVILLE, MD 21617 and the phone number is (410) 758-0999.

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