DR. GLENN M FUJINAKA D.D.S.
NPI 1407953151
Dentist - Periodontics in Oakland, CA

NPI Status: Active since September 17, 2006

Contact Information

170 SANTA CLARA AVE
SUITE 201
OAKLAND, CA
ZIP 94610
Phone: (510) 547-6611
Fax: (510) 547-6641

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  • Individual
  • Male
  • Dentist
  • Periodontics

About GLENN FUJINAKA

This page provides the complete NPI Profile along with additional information for Glenn Fujinaka, a provider established in Oakland, California with a medical specialization in Dentist, focusing in periodontics . The healthcare provider is registered in the NPI registry with number 1407953151 assigned on September 2006. The practitioner's primary taxonomy code is 1223P0300X with license number 25141 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1407953151
Provider Name
DR. GLENN M FUJINAKA D.D.S.
Gender
Male
Entity Type
Individual
Location Address
170 SANTA CLARA AVE SUITE 201 OAKLAND, CA 94610
Location Phone
(510) 547-6611
Location Fax
(510) 547-6641
Mailing Address
170 SANTA CLARA AVE SUITE 201 OAKLAND, CA 94610
Mailing Phone
(510) 547-6611
Mailing Fax
(510) 547-6641
Is Sole Proprietor?
Yes
Enumeration Date
09-17-2006
Last Update Date
10-15-2021
Code Navigator

A dentist like Glenn Fujinaka 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 Periodontics

Taxonomy Code
1223P0300X
Type
Dental Providers
License No.
25141
License State
CA
Taxonomy Description
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

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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 1407953151, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
4
Unchanged
Pos 3
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 0 → 0 9 → 18 → 9 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 8 + 5 + 6 + 1 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1407953151.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407953151, enumerated as an "individual" on September 17, 2006.

The provider is located at 170 SANTA CLARA AVE SUITE 201 OAKLAND, CA 94610 and the phone number is (510) 547-6611.

Dentist with taxonomy code 1223P0300X and a focus in Periodontics.