RONALD C K JEW DDS INC
NPI 1295808871
Dentist - Endodontics in San Francisco, CA

NPI Status: Active since November 15, 2006

Contact Information

490 POST STREET
SUITE 1516
SAN FRANCISCO, CA
ZIP 94102
Phone: (415) 398-4964
Fax: (415) 398-0147

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  • Organization
  • Dentist
  • Endodontics

About RONALD C K JEW DDS INC

This page provides the complete NPI Profile along with additional information for Ronald C K Jew Dds Inc, a provider established in San Francisco, California operating as a Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1295808871 assigned on November 2006. The practitioner's primary taxonomy code is 1223E0200X with license number 25082 (CA). The provider is registered as an organization and their NPI record was last updated 6 years ago. Ronald C K Jew Dds Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Ronald Chaukoon Jew Dds (President Owner)

NPI
1295808871
Provider Name
RONALD C K JEW DDS INC
Entity Type
Organization
Location Address
490 POST STREET SUITE 1516 SAN FRANCISCO, CA 94102
Location Phone
(415) 398-4964
Location Fax
(415) 398-0147
Mailing Address
490 POST STREET SUITE 1516 SAN FRANCISCO, CA 94102
Mailing Phone
(415) 398-4964
Mailing Fax
(415) 398-0147
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-15-2006
Last Update Date
08-22-2020
Code Navigator

A dentist like Ronald C K Jew Dds Inc 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.
25082
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.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

RONALD CHAUKOON JEW DDS

Authorized Official Title
PRESIDENT OWNER
Authorized Official Phone
(415) 398-4964

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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 1295808871, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 9 → 18 → 9 8 → 16 → 7 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 6 + 0 + 1 + 6 + 8 + 1 + 4 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1295808871.

Other Providers at the Same Location


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

Dentist (Endodontics)
490 POST STREET, SUITE 1516
SAN FRANCISCO, CA 94102
Dentist (Endodontics)
490 POST STREET, SUITE 1516
SAN FRANCISCO, CA 94102
Specialist
490 POST STREET, 700
SAN FRANCISCO, CA 94102
Dentist
490 POST STREET, 649
SAN FRANCISCO, CA 94102
Dentist (General Practice)
490 POST STREET, SUITE 1450
SAN FRANCISCO, CA 94102
Dentist
490 POST STREET, SUITE #808
SAN FRANCISCO, CA 94102
Preferred Provider Organization
490 POST STREET, SUITE 901
SAN FRANCISCO, CA 94102
Legal Medicine
490 POST STREET, SUITE 901
SAN FRANCISCO, CA 94102
Specialist
490 POST STREET, #700
SAN FRANCISCO, CA 94102
Specialist
490 POST STREET, #700
SAN FRANCISCO, CA 94102
Specialist
490 POST STREET, #700
SAN FRANCISCO, CA 94102
Surgery
490 POST STREET, DOROTHY J MCNOBLE , MD
SAN FRANCISCO, CA 94102
Dentist (Endodontics)
490 POST STREET, SUITE 1516
SAN FRANCISCO, CA 94102
Marriage & Family Therapist
490 POST STREET, STE 500, PMB 2098
SAN FRANCISCO, CA 94102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295808871, enumerated as an "organization" on November 15, 2006.

The provider is located at 490 POST STREET SUITE 1516 SAN FRANCISCO, CA 94102 and the phone number is (415) 398-4964.

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