SEAN M. LANGTON, DMD, PLLC
NPI 1154844892
Clinic/Center - Dental in Brookline, MA

NPI Status: Active since July 25, 2017

Contact Information

1540 BEACON ST
BROOKLINE, MA
ZIP 02446
Phone: (617) 738-1950

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  • Organization
  • Clinic/Center
  • Dental

About SEAN M. LANGTON, DMD, PLLC

This page provides the complete NPI Profile along with additional information for Sean M. Langton, Dmd, Pllc, a provider established in Brookline, Massachusetts operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1154844892 assigned on July 2017. The practitioner's primary taxonomy code is 261QD0000X with license number DN1856983 (MA). The provider is registered as an organization and their NPI record was last updated 9 years ago. The authorized official of this NPI record is Dr. Sean Michael Langton Dmd (Dentist)

NPI
1154844892
Provider Name
SEAN M. LANGTON, DMD, PLLC
Entity Type
Organization
Location Address
1540 BEACON ST BROOKLINE, MA 02446
Location Phone
(617) 738-1950
Mailing Address
13 BROWNING RD SOMERVILLE, MA 02145
Mailing Phone
(617) 293-0780
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-25-2017
Last Update Date
07-25-2017
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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.
DN1856983
License State
MA

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. SEAN MICHAEL LANGTON DMD

Authorized Official Title
DENTIST
Authorized Official Phone
(617) 293-0780

Reviews for SEAN M. LANGTON, DMD, PLLC

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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 1154844892, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
2
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 8 → 16 → 7 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 6 + 4 + 8 + 8 + 1 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1154844892.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446
Podiatrist (Foot Surgery)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (Prosthodontics)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446
Clinic/Center (Dental)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (Periodontics)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (Periodontics)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (Periodontics)
1540 BEACON ST
BROOKLINE, MA 02446
Clinic/Center (Dental)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (Prosthodontics)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (Endodontics)
1540 BEACON ST
BROOKLINE, MA 02446
Dentist
1540 BEACON ST
BROOKLINE, MA 02446
Dentist
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446
Dental Assistant
1540 BEACON ST
BROOKLINE, MA 02446
Dentist (General Practice)
1540 BEACON ST
BROOKLINE, MA 02446

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154844892, enumerated as an "organization" on July 25, 2017.

The provider is located at 1540 BEACON ST BROOKLINE, MA 02446 and the phone number is (617) 738-1950.

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