DR. JOHN ROBERT LUDINGTON JR. D.D.S.
NPI 1508980269
Dentist - Endodontics in Houston, TX

NPI Status: Active since March 19, 2007

Contact Information

6516 JOHN FREEMAN ST
SUITE 202
HOUSTON, TX
ZIP 77030
Phone: (713) 500-4227
Fax: (713) 500-0402

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  • Individual
  • Male
  • Dentist
  • Endodontics

About JOHN LUDINGTON

This page provides the complete NPI Profile along with additional information for John Ludington, a provider established in Houston, Texas with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1508980269 assigned on March 2007. The practitioner's primary taxonomy code is 1223E0200X with license number 13480 (TX). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1508980269
Provider Name
DR. JOHN ROBERT LUDINGTON JR. D.D.S.
Gender
Male
Entity Type
Individual
Location Address
6516 JOHN FREEMAN ST SUITE 202 HOUSTON, TX 77030
Location Phone
(713) 500-4227
Location Fax
(713) 500-0402
Mailing Address
1423 BEACHCOMBER LN HOUSTON, TX 77062
Mailing Phone
(281) 480-2553
Mailing Fax
(713) 500-0402
Is Sole Proprietor?
No
Enumeration Date
03-19-2007
Last Update Date
03-07-2023
Code Navigator

A dentist like John Ludington 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.
13480
License State
TX
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
47557OTHER (01)TXTEXAS DPS
D8P045180MEDICAID (05)TX 

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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 1508980269, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 0 → 0 9 → 18 → 9 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 8 + 8 + 0 + 2 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1508980269.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Dentist
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Dentist (General Practice)
6516 JOHN FREEMAN ST, RM 493
HOUSTON, TX 77030
Dentist (General Practice)
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Dentist (Prosthodontics)
6516 JOHN FREEMAN ST, ROOM 422
HOUSTON, TX 77030
Dentist (Endodontics)
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Dentist (General Practice)
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Dentist (General Practice)
6516 JOHN FREEMAN ST, SUITE 493
HOUSTON, TX 77030
Dentist (General Practice)
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Dental Hygienist
6516 JOHN FREEMAN ST, SCHOOL OF DENTAL HYGIENE, #1.085
HOUSTON, TX 77030
Dentist (Oral and Maxillofacial Surgery)
6516 JOHN FREEMAN ST, DEPT OMFS 2.059
HOUSTON, TX 77030
Dentist (General Practice)
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Dentist
6516 JOHN FREEMAN ST
HOUSTON, TX 77030
Counselor (Professional)
6516 JOHN FREEMAN ST
HOUSTON, TX 77030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508980269, enumerated as an "individual" on March 19, 2007.

The provider is located at 6516 JOHN FREEMAN ST SUITE 202 HOUSTON, TX 77030 and the phone number is (713) 500-4227.

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

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.