LY MAI NGUYEN MS
NPI 1346038270
Occupational Therapist - Hand in Los Alamitos, CA

NPI Status: Active since April 29, 2025

Contact Information

4772 KATELLA AVE STE 100
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 430-8700

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

Individual
Female
Occupational Therapist
Hand

About LY NGUYEN

This page provides the complete NPI Profile along with additional information for Ly Nguyen, a provider established in Los Alamitos, California with a medical specialization in Occupational Therapist, focusing in hand . The healthcare provider is registered in the NPI registry with number 1346038270 assigned on April 2025. The practitioner's primary taxonomy code is 225XH1200X with license number 27686 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1346038270
Provider Name: LY MAI NGUYEN MS
Gender: Female
Entity Type: Individual
Location Address: 4772 KATELLA AVE STE 100 LOS ALAMITOS, CA 90720
Location Phone: (562) 430-8700
Mailing Address: 98 SAINT JAMES IRVINE, CA 92606
Mailing Phone: (949) 973-1233
Is Sole Proprietor?: No
Enumeration Date: 04-29-2025
Last Update Date: 04-29-2025
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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: Occupational Therapist Hand
Taxonomy Code: 225XH1200X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: 27686
License State: CA

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 1346038270, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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 → 8

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

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 4 → 8 0 → 0 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 + 3 + 8 + 6 + 0 + 3 + 1 + 6 + 2 + 1 + 4 + 24 = 60

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

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

60 - 60 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1346038270.