DR. DONALD E FINCH JR. DDS
NPI 1689710394
Dentist - General Practice in Barstow, CA

NPI Status: Active since January 29, 2007

Contact Information

705 VIRGINIA WAY SUITE G
BARSTOW, CA
ZIP 92311
Phone: (760) 256-6846
Fax: (760) 256-2898

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  • Individual
  • Male
  • Dentist
  • General Practice

About DONALD FINCH

This page provides the complete NPI Profile along with additional information for Donald Finch, a provider established in Barstow, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1689710394 assigned on January 2007. The practitioner's primary taxonomy code is 1223G0001X with license number 21988 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1689710394
Provider Name
DR. DONALD E FINCH JR. DDS
Gender
Male
Entity Type
Individual
Location Address
705 VIRGINIA WAY SUITE G BARSTOW, CA 92311
Location Phone
(760) 256-6846
Location Fax
(760) 256-2898
Mailing Address
705 VIRGINIA WAY SUITE G BARSTOW, CA 92311
Mailing Phone
(760) 256-6846
Mailing Fax
(760) 256-2898
Is Sole Proprietor?
No
Enumeration Date
01-29-2007
Last Update Date
07-08-2007
Code Navigator

A dentist like Donald Finch 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.

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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.
21988
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 1689710394, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 8 → 16 → 7 7 → 14 → 5 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 4 + 1 + 0 + 3 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1689710394.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689710394, enumerated as an "individual" on January 29, 2007.

The provider is located at 705 VIRGINIA WAY SUITE G BARSTOW, CA 92311 and the phone number is (760) 256-6846.

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