DR. MASAAKI TSURUIKE PHD, ATC
NPI 1306313085
Preventive Medicine - Sports Medicine in San Jose, CA

NPI Status: Active since October 31, 2018

Contact Information

ONE WASHINGTON SQUARE
SAN JOSE, CA
ZIP 95192
Phone: (408) 924-3040

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  • Individual
  • Male
  • Preventive Medicine
  • Sports Medicine

About MASAAKI TSURUIKE

This page provides the complete NPI Profile along with additional information for Masaaki Tsuruike, a provider established in San Jose, California with a medical specialization in Preventive Medicine, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1306313085 assigned on October 2018. The practitioner's primary taxonomy code is 2083S0010X with license number 029502557 (TX). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1306313085
Provider Name
DR. MASAAKI TSURUIKE PHD, ATC
Gender
Male
Entity Type
Individual
Location Address
ONE WASHINGTON SQUARE SAN JOSE, CA 95192
Location Phone
(408) 924-3040
Mailing Address
431 NORTHLAKE DR APT 58 SAN JOSE, CA 95117
Mailing Phone
(408) 614-8046
Is Sole Proprietor?
Yes
Enumeration Date
10-31-2018
Last Update Date
04-30-2024
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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

Preventive Medicine Sports Medicine

Taxonomy Code
2083S0010X
Type
Allopathic & Osteopathic Physicians
License No.
029502557
License State
TX
Taxonomy Description
A preventive medicine physician who specializes in the diagnosis and treatment of sports related conditions and injuries.

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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 1306313085, 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
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 0 → 0 3 → 6 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 6 + 1 + 6 + 0 + 1 + 6 + 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 1306313085.

Other Providers at the Same Location


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

Specialist/Technologist (Athletic Trainer)
ONE WASHINGTON SQUARE
SAN JOSE, CA 95192
Psychiatry & Neurology (Psychiatry)
ONE WASHINGTON SQUARE
SAN JOSE, CA 95192

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306313085, enumerated as an "individual" on October 31, 2018.

The provider is located at ONE WASHINGTON SQUARE SAN JOSE, CA 95192 and the phone number is (408) 924-3040.

Preventive Medicine with taxonomy code 2083S0010X and a focus in Sports Medicine.