DIEM-TRAN ISABELLE NGUYEN MD
NPI 1215498761
Allergy & Immunology in Orange, CA

NPI Status: Active since March 27, 2019

Contact Information

725 W LA VETA AVE STE 100
ORANGE, CA
ZIP 92868
Phone: (714) 633-6363
Fax: (714) 633-0178

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  • Individual
  • Female
  • Allergy & Immunology

About DIEM-TRAN NGUYEN

This page provides the complete NPI Profile along with additional information for Diem-tran Nguyen, a provider established in Orange, California with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1215498761 assigned on March 2019. The practitioner's primary taxonomy code is 207K00000X with license number A194587 (CA). The provider is registered as an individual and her NPI record was last updated 2 years ago. Diem-tran Nguyen operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1215498761
Provider Name
DIEM-TRAN ISABELLE NGUYEN MD
Gender
Female
Entity Type
Individual
Location Address
725 W LA VETA AVE STE 100 ORANGE, CA 92868
Location Phone
(714) 633-6363
Location Fax
(714) 633-0178
Mailing Address
725 W LA VETA AVE STE 100 ORANGE, CA 92868
Mailing Phone
(714) 633-6363
Mailing Fax
(714) 633-0178
Is Sole Proprietor?
Yes
Enumeration Date
03-27-2019
Last Update Date
06-24-2024
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Location Map

Secondary Locations

  • One Baylor Plaza, BCM 320
    Houston, TX 77030
    (832) 824-1170

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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
A194587
License State
CA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1215498761, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
2
Unchanged
Pos 3
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 1 → 2 4 → 8 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 8 + 9 + 1 + 6 + 7 + 1 + 2 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1215498761.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Allergy & Immunology
725 W LA VETA AVE STE 100
ORANGE, CA 92868

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215498761, enumerated as an "individual" on March 27, 2019.

The provider is located at 725 W LA VETA AVE STE 100 ORANGE, CA 92868 and the phone number is (714) 633-6363.

Allergy & Immunology with taxonomy code 207K00000X.