DR JAMES G HEFFERNAN DDS,PC
NPI 1316013261
Dentist - Endodontics in Geneva, IL

NPI Status: Active since November 24, 2006

Contact Information

403 WILLIAMSBURG AVE
GENEVA, IL
ZIP 60134
Phone: (630) 406-5790
Fax: (630) 208-7677

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  • Organization
  • Dentist
  • Endodontics

About DR JAMES G HEFFERNAN DDS,PC

This page provides the complete NPI Profile along with additional information for Dr James G Heffernan Dds,pc, a provider established in Geneva, Illinois operating as a Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1316013261 assigned on November 2006. The practitioner's primary taxonomy code is 1223E0200X. 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 authorized official of this NPI record is Dr. James Gregory Heffernan D.d.s. (President)

NPI
1316013261
Provider Name
DR JAMES G HEFFERNAN DDS,PC
Entity Type
Organization
Location Address
403 WILLIAMSBURG AVE GENEVA, IL 60134
Location Phone
(630) 406-5790
Location Fax
(630) 208-7677
Mailing Address
403 WILLIAMSBURG AVE GENEVA, IL 60134
Mailing Phone
(630) 406-5790
Mailing Fax
(630) 208-7677
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-24-2006
Last Update Date
08-22-2020
Code Navigator

A dentist like Dr James G Heffernan Dds,pc 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 State
IL
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.

Group Taxonomy 193400000X 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. JAMES GREGORY HEFFERNAN D.D.S.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(630) 208-7668

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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 1316013261, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 3 → 6 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 0 + 1 + 6 + 2 + 1 + 2 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1316013261.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist
403 WILLIAMSBURG AVE
GENEVA, IL 60134

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316013261, enumerated as an "organization" on November 24, 2006.

The provider is located at 403 WILLIAMSBURG AVE GENEVA, IL 60134 and the phone number is (630) 406-5790.

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