DR. THEODORE JAMES LEFEBER DMD
NPI 1912830241
Dentist - Dental Public Health in La Porte, IN

NPI Status: Active since June 05, 2026

Contact Information

400 TEEGARDEN ST
LA PORTE, IN
ZIP 46350
Phone: (888) 580-1060

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  • Individual
  • Male
  • Dentist
  • Dental Public Health

About THEODORE LEFEBER

This page provides the complete NPI Profile along with additional information for Theodore Lefeber, a provider established in La Porte, Indiana with a medical specialization in Dentist, focusing in dental public health . The healthcare provider is registered in the NPI registry with number 1912830241 assigned on June 2026. The practitioner's primary taxonomy code is 1223D0001X with license number 12015045A (IN). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1912830241
Provider Name
DR. THEODORE JAMES LEFEBER DMD
Gender
Male
Entity Type
Individual
Location Address
400 TEEGARDEN ST LA PORTE, IN 46350
Location Phone
(888) 580-1060
Mailing Address
1285 E 400 S LA PORTE, IN 46350
Is Sole Proprietor?
Yes
Enumeration Date
06-05-2026
Last Update Date
06-05-2026
Code Navigator

A dentist like Theodore Lefeber 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 Dental Public Health

Taxonomy Code
1223D0001X
Type
Dental Providers
License No.
12015045A
License State
IN
Taxonomy Description
The science and art of preventing and controlling dental diseases and promoting dental health through organized community efforts. It is that form of dental practice that serves the community as a patient rather than the individual. It is concerned with the dental health education of the public, with applied dental research, and with the administration of group dental care programs as well as the prevention and control of dental diseases on a community basis.

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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 1912830241, 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
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
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 8 → 16 → 7 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 + 9 + 2 + 2 + 1 + 6 + 3 + 0 + 2 + 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 1912830241.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Clinic/Center (Community Health)
400 TEEGARDEN ST
LA PORTE, IN 46350
Dentist
400 TEEGARDEN ST
LA PORTE, IN 46350
Nurse Practitioner (Family)
400 TEEGARDEN ST, SUITE B
LA PORTE, IN 46350
Social Worker (Clinical)
400 TEEGARDEN ST
LA PORTE, IN 46350
Dentist (General Practice)
400 TEEGARDEN ST
LA PORTE, IN 46350
Nurse Practitioner
400 TEEGARDEN ST
LA PORTE, IN 46350
Clinic/Center (Federally Qualified Health Center (FQHC))
400 TEEGARDEN ST
LA PORTE, IN 46350
Nurse Practitioner
400 TEEGARDEN ST
LA PORTE, IN 46350
Dentist
400 TEEGARDEN ST
LA PORTE, IN 46350

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912830241, enumerated as an "individual" on June 05, 2026.

The provider is located at 400 TEEGARDEN ST LA PORTE, IN 46350 and the phone number is (888) 580-1060.

Dentist with taxonomy code 1223D0001X and a focus in Dental Public Health.