DR. WILLIAM KALOB LESH DDS
NPI 1801316575
Dentist - General Practice in Longview, WA

NPI Status: Active since June 23, 2017

Contact Information

950 14TH AVE
LONGVIEW, WA
ZIP 98632
Phone: (360) 200-4924
Fax: (360) 200-4923

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  • Individual
  • Male
  • Dentist
  • General Practice

About WILLIAM LESH

This page provides the complete NPI Profile along with additional information for William Lesh, a provider established in Longview, Washington with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1801316575 assigned on June 2017. The practitioner's primary taxonomy code is 1223G0001X with license number DE60769596 (WA). The provider is registered as an individual and his NPI record was last updated 4 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.

NPI
1801316575
Provider Name
DR. WILLIAM KALOB LESH DDS
Gender
Male
Entity Type
Individual
Location Address
950 14TH AVE LONGVIEW, WA 98632
Location Phone
(360) 200-4924
Location Fax
(360) 200-4923
Mailing Address
950 14TH AVE LONGVIEW, WA 98632
Mailing Phone
(360) 200-4924
Mailing Fax
(360) 200-4923
Is Sole Proprietor?
Yes
Enumeration Date
06-23-2017
Last Update Date
07-21-2022
Code Navigator

A dentist like William Lesh 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.
DE60769596
License State
WA
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.

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.

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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 1801316575, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 3 → 6 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 6 + 1 + 1 + 2 + 5 + 1 + 4 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1801316575.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dentist (General Practice)
950 14TH AVE
LONGVIEW, WA 98632
Dentist
950 14TH AVE
LONGVIEW, WA 98632

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801316575, enumerated as an "individual" on June 23, 2017.

The provider is located at 950 14TH AVE LONGVIEW, WA 98632 and the phone number is (360) 200-4924.

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