DR. DONGJIN SAH DDS, MSD
NPI 1548525785
Dentist - Endodontics in Santa Rosa, CA

NPI Status: Active since July 12, 2012

Contact Information

1400 N DUTTON AVE STE 11
SANTA ROSA, CA
ZIP 95401
Phone: (707) 545-4104
Fax: (707) 545-9668

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  • Individual
  • Male
  • Dentist
  • Endodontics

About DONGJIN SAH

This page provides the complete NPI Profile along with additional information for Dongjin Sah, a provider established in Santa Rosa, California with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1548525785 assigned on July 2012. The practitioner's primary taxonomy code is 1223E0200X with license number 61419 (CA). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1548525785
Provider Name
DR. DONGJIN SAH DDS, MSD
Gender
Male
Entity Type
Individual
Location Address
1400 N DUTTON AVE STE 11 SANTA ROSA, CA 95401
Location Phone
(707) 545-4104
Location Fax
(707) 545-9668
Mailing Address
1400 N DUTTON AVE STE 11 SANTA ROSA, CA 95401
Mailing Phone
(707) 545-4104
Mailing Fax
(707) 545-9668
Is Sole Proprietor?
No
Enumeration Date
07-12-2012
Last Update Date
08-19-2019
Code Navigator

A dentist like Dongjin Sah 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 Endodontics

Taxonomy Code
1223E0200X
Type
Dental Providers
License No.
61419
License State
CA
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223G0001XDental Providers

Dentist
General Practice

61419 (CA)

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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 1548525785, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 4 → 8 5 → 10 → 1 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 0 + 2 + 1 + 0 + 7 + 1 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1548525785.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist (Endodontics)
1400 N DUTTON AVE STE 11
SANTA ROSA, CA 95401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548525785, enumerated as an "individual" on July 12, 2012.

The provider is located at 1400 N DUTTON AVE STE 11 SANTA ROSA, CA 95401 and the phone number is (707) 545-4104.

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