MARY TRUONG
NPI 1275810749
Technician, Health Information - Assistant Record Technician in Tustin, CA

NPI Status: Active since November 10, 2011

Contact Information

18302 IRVINE BLVD STE 300
TUSTIN, CA
ZIP 92780
Phone: (714) 957-1004
Fax: (714) 957-1065

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

Individual
Female
Technician, Health Information
Assistant Record Technician
CLIA Number: 05D1058795
CLIA Cert. Type: Physician Office
CLIA Exp. Date: 08-14-2027

About MARY TRUONG

This page provides the complete NPI Profile along with additional information for Mary Truong, a provider established in Tustin, California with a medical specialization in Technician, Health Information, focusing in assistant record technician . The healthcare provider is registered in the NPI registry with number 1275810749 assigned on November 2011. The practitioner's primary taxonomy code is 2470A2800X. The provider is registered as an individual and her NPI record was last updated 15 years ago.

NPI: 1275810749
Provider Name: MARY TRUONG
Gender: Female
Entity Type: Individual
Location Address: 18302 IRVINE BLVD STE 300 TUSTIN, CA 92780
Location Phone: (714) 957-1004
Location Fax: (714) 957-1065
Mailing Address: 2805 W RAYMAR ST SANTA ANA, CA 92704
Is Sole Proprietor?: No
Enumeration Date: 11-10-2011
Last Update Date: 11-10-2011
Code Navigator

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: Technician, Health Information Assistant Record Technician
Taxonomy Code: 2470A2800X
Type: Technologists, Technicians & Other Technical Service Providers

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number: 05D1058795
Facility Type: Physician Office
Certificate Effective Date: August 15, 2025
Certificate Expiration Date: August 14, 2027
Laboratory Director: MARY S. JUNG MD
Certificate Type: Certificate of Compliance
Certificate Type Description: This CLIA certificate is issued to Mary Truong after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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 1275810749, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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 → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 8

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 7 → 14 → 5 8 → 16 → 7 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 6 + 1 + 0 + 7 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1275810749.