ADRIAN KAI YIN WU MD
NPI 1194388280
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Alhambra, CA

NPI Status: Active since April 15, 2019

Contact Information

707 S GARFIELD AVE FL 2
ALHAMBRA, CA
ZIP 91801
Phone: (626) 282-1600

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Orthopaedic Surgery
Orthopaedic Surgery of the Spine

About ADRIAN WU

This page provides the complete NPI Profile along with additional information for Adrian Wu, a provider established in Alhambra, California with a medical specialization in Orthopaedic Surgery, focusing in orthopaedic surgery of the spine . The healthcare provider is registered in the NPI registry with number 1194388280 assigned on April 2019. The practitioner's primary taxonomy code is 207XS0117X with license number 204657 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1194388280
Provider Name: ADRIAN KAI YIN WU MD
Gender: Male
Entity Type: Individual
Location Address: 707 S GARFIELD AVE FL 2 ALHAMBRA, CA 91801
Location Phone: (626) 282-1600
Mailing Address: 707 S GARFIELD AVE FL 2 ALHAMBRA, CA 91801
Mailing Phone: (626) 282-1600
Is Sole Proprietor?: No
Enumeration Date: 04-15-2019
Last Update Date: 09-18-2025
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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: Orthopaedic Surgery Orthopaedic Surgery of the Spine
Taxonomy Code: 207XS0117X
Type: Allopathic & Osteopathic Physicians
License No.: 204657
License State: CA
Taxonomy Description: Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

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 1194388280, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

Check

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 3 → 6 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 6 + 8 + 1 + 6 + 2 + 1 + 6 + 24 = 70

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

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

70 - 70 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1194388280.