DR. JOHN BANKS LUDWIG D.D.S.
NPI 1972680148
Dentist - General Practice in Cupertino, CA

NPI Status: Active since November 01, 2006

Contact Information

10430 S DE ANZA BLVD
SUITE 210
CUPERTINO, CA
ZIP 95014
Phone: (408) 253-0523
Fax: (408) 257-1165

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  • Individual
  • Male
  • Dentist
  • General Practice

About JOHN LUDWIG

This page provides the complete NPI Profile along with additional information for John Ludwig, a provider established in Cupertino, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1972680148 assigned on November 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 19767 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1972680148
Provider Name
DR. JOHN BANKS LUDWIG D.D.S.
Gender
Male
Entity Type
Individual
Location Address
10430 S DE ANZA BLVD SUITE 210 CUPERTINO, CA 95014
Location Phone
(408) 253-0523
Location Fax
(408) 257-1165
Mailing Address
10430 S DE ANZA BLVD SUITE 210 CUPERTINO, CA 95014
Mailing Phone
(408) 253-0523
Mailing Fax
(408) 257-1165
Is Sole Proprietor?
No
Enumeration Date
11-01-2006
Last Update Date
07-08-2007
Code Navigator

A dentist like John Ludwig 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 General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
19767
License State
CA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1972680148, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 7 → 14 → 5 6 → 12 → 3 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 + 1 + 4 + 2 + 1 + 2 + 8 + 0 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1972680148.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Optometrist
10430 S DE ANZA BLVD, SUITE 100
CUPERTINO, CA 95014
Dentist (General Practice)
10430 S DE ANZA BLVD, SUITE 260
CUPERTINO, CA 95014
Dentist (General Practice)
10430 S DE ANZA BLVD, STE 210
CUPERTINO, CA 95014
Internal Medicine (Pulmonary Disease)
10430 S DE ANZA BLVD, E220
CUPERTINO, CA 95014
Dentist (Oral and Maxillofacial Surgery)
10430 S DE ANZA BLVD, SUITE #140
CUPERTINO, CA 95014
Psychologist (Clinical)
10430 S DE ANZA BLVD, SUITE 110
CUPERTINO, CA 95014
Dentist
10430 S DE ANZA BLVD, #160
CUPERTINO, CA 95014
Obstetrics & Gynecology (Obstetrics)
10430 S DE ANZA BLVD, SUITE 230E
CUPERTINO, CA 95014
Optometrist
10430 S DE ANZA BLVD, SUITE 100
CUPERTINO, CA 95014
Clinic/Center (Ambulatory Family Planning Facility)
10430 S DE ANZA BLVD, SUITE 230
CUPERTINO, CA 95014
Obstetrics & Gynecology
10430 S DE ANZA BLVD, #230
CUPERTINO, CA 95014
Specialist
10430 S DE ANZA BLVD, SUITE 110
CUPERTINO, CA 95014
Dentist (Periodontics)
10430 S DE ANZA BLVD, SUITE 185
CUPERTINO, CA 95014
Dentist
10430 S DE ANZA BLVD, SUITE 175
CUPERTINO, CA 95014

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972680148, enumerated as an "individual" on November 01, 2006.

The provider is located at 10430 S DE ANZA BLVD SUITE 210 CUPERTINO, CA 95014 and the phone number is (408) 253-0523.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.