FAIRFIELD ENDODONTIC SPECIALISTS
NPI 1518040641
Dentist - Endodontics in Fairfield, CT

NPI Status: Active since October 23, 2006

Contact Information

1275 POST RD
SUITE 217
FAIRFIELD, CT
ZIP 06824
Phone: (203) 259-3399
Fax: (203) 254-7998

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  • Organization
  • Dentist
  • Endodontics

About FAIRFIELD ENDODONTIC SPECIALISTS

This page provides the complete NPI Profile along with additional information for Fairfield Endodontic Specialists, a provider established in Fairfield, Connecticut operating as a Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1518040641 assigned on October 2006. The practitioner's primary taxonomy code is 1223E0200X with license number 008866 (CT). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's is doing business as Fairfield Endodontic Specialists. The authorized official of this NPI record is Dr. Joseph Anthony Zerella Jr. Dmd, Mds (Owner/partner)

NPI
1518040641
Provider Legal Name
A. BYRNE, DMD, J. ZERELLA, DMD, MDS, LLC
Other Organization Name
FAIRFIELD ENDODONTIC SPECIALISTS
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
1275 POST RD SUITE 217 FAIRFIELD, CT 06824
Location Phone
(203) 259-3399
Location Fax
(203) 254-7998
Mailing Address
1275 POST RD SUITE 217 FAIRFIELD, CT 06824
Mailing Phone
(203) 259-3399
Mailing Fax
(203) 254-7998
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-23-2006
Last Update Date
08-22-2020
Code Navigator

A dentist like Fairfield Endodontic Specialists 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.

Location Map

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 Endodontics

Taxonomy Code
1223E0200X
Type
Dental Providers
License No.
008866
License State
CT
Taxonomy Description
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223E0200XDental Providers

Dentist
Endodontics

008617 (CT)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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. JOSEPH ANTHONY ZERELLA JR. DMD, MDS

Authorized Official Title
OWNER/PARTNER
Authorized Official Phone
(203) 259-3399

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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 1518040641, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 2 + 8 + 0 + 4 + 0 + 6 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1518040641.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Dentist
1275 POST RD, SUITE 201
FAIRFIELD, CT 06824
Dentist (General Practice)
1275 POST RD, SUITE 2
FAIRFIELD, CT 06824
Social Worker (Clinical)
1275 POST RD, SUITE A-18
FAIRFIELD, CT 06824
Dentist (General Practice)
1275 POST RD, SUITE 201
FAIRFIELD, CT 06824
Chiropractor
1275 POST RD, SUITE A19
FAIRFIELD, CT 06824
Dentist
1275 POST RD, SUITE 201
FAIRFIELD, CT 06824
Dentist (Endodontics)
1275 POST RD, SUITE 217
FAIRFIELD, CT 06824
Psychologist
1275 POST RD, SUITE 200C
FAIRFIELD, CT 06824
Psychologist
1275 POST RD, SUITE 200C
FAIRFIELD, CT 06824
Dentist (General Practice)
1275 POST RD, SUITE 201
FAIRFIELD, CT 06824
Durable Medical Equipment & Medical Supplies
1275 POST RD, SUITE 208
FAIRFIELD, CT 06824
Marriage & Family Therapist
1275 POST RD, SUITE 200B
FAIRFIELD, CT 06824
Dentist (Orthodontics and Dentofacial Orthopedics)
1275 POST RD, SUITE 211
FAIRFIELD, CT 06824
Dentist (General Practice)
1275 POST RD
FAIRFIELD, CT 06824
Psychiatry & Neurology (Psychiatry)
1275 POST RD, SUITE 202
FAIRFIELD, CT 06824

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518040641, enumerated as an "organization" on October 23, 2006.

The provider is located at 1275 POST RD SUITE 217 FAIRFIELD, CT 06824 and the phone number is (203) 259-3399.

Dentist with taxonomy code 1223E0200X and a focus in Endodontics.