DR. LOUIS M ABBEY DMD
NPI 1851651368
Dentist - Oral and Maxillofacial Pathology in Cambridge, MA

NPI Status: Active since May 18, 2012

Contact Information

25 1ST ST
4TH FLOOR
CAMBRIDGE, MA
ZIP 02141
Phone: (800) 325-7284
Fax: (617) 252-6563

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  • Individual
  • Male
  • Dentist
  • Oral and Maxillofacial Pathology

About LOUIS ABBEY

This page provides the complete NPI Profile along with additional information for Louis Abbey, a provider established in Cambridge, Massachusetts with a medical specialization in Dentist, focusing in oral and maxillofacial pathology . The healthcare provider is registered in the NPI registry with number 1851651368 assigned on May 2012. The practitioner's primary taxonomy code is 1223P0106X with license number DN10556 (MA). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1851651368
Provider Name
DR. LOUIS M ABBEY DMD
Gender
Male
Entity Type
Individual
Location Address
25 1ST ST 4TH FLOOR CAMBRIDGE, MA 02141
Location Phone
(800) 325-7284
Location Fax
(617) 252-6563
Mailing Address
1 CRANBERRY HL SUITE 303 LEXINGTON, MA 02421
Is Sole Proprietor?
Yes
Enumeration Date
05-18-2012
Last Update Date
05-18-2012
Code Navigator

A dentist like Louis Abbey is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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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

Dentist Oral and Maxillofacial Pathology

Taxonomy Code
1223P0106X
Type
Dental Providers
License No.
DN10556
License State
MA
Taxonomy Description
The specialty of dentistry and discipline of pathology that deals with the nature, identification, and management of diseases affecting the oral and maxillofacial regions. It is a science that investigates the causes, processes, and effects of these diseases. The practice of oral and maxillofacial pathology includes research and diagnosis of diseases using clinical, radiographic, microscopic, biochemical, or other examinations.

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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 1851651368, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 6 → 12 → 3 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 2 + 5 + 2 + 3 + 1 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1851651368.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851651368, enumerated as an "individual" on May 18, 2012.

The provider is located at 25 1ST ST 4TH FLOOR CAMBRIDGE, MA 02141 and the phone number is (800) 325-7284.

Dentist with taxonomy code 1223P0106X and a focus in Oral and Maxillofacial Pathology.