TOMMY TRUONG
NPI 1780474809
Dietitian, Registered in Phoenix, AZ

NPI Status: Active since May 12, 2025

Contact Information

650 E INDIAN SCHOOL RD
PHOENIX, AZ
ZIP 85012
Phone: (602) 277-5551

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  • Individual
  • Dietitian, Registered

About TOMMY TRUONG

This page provides the complete NPI Profile along with additional information for Tommy Truong, a provider established in Phoenix, Arizona operating as a Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1780474809 assigned on May 2025. The practitioner's primary taxonomy code is 133V00000X. The provider is registered as an individual and their NPI record was last updated April 2026.

NPI
1780474809
Provider Name
TOMMY TRUONG
Gender
Entity Type
Individual
Location Address
650 E INDIAN SCHOOL RD PHOENIX, AZ 85012
Location Phone
(602) 277-5551
Mailing Address
650 E INDIAN SCHOOL RD PHOENIX, AZ 85012
Is Sole Proprietor?
Yes
Enumeration Date
05-12-2025
Last Update Date
04-10-2026
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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

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License State
AZ
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1136A00000XDietary & Nutritional Service Providers

Dietetic Technician, Registered

86358698 
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1780474809, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
9
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 8 → 16 → 7 4 → 8 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 8 + 7 + 8 + 8 + 0 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1780474809.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Audiologist
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Internal Medicine (Rheumatology)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Internal Medicine
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Physician Assistant
650 E INDIAN SCHOOL RD, CARL T HAYDEN VA MEDICAL CENTER
PHOENIX, AZ 85012
Psychologist (Clinical)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Social Worker (Clinical)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Physician Assistant (Medical)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Nurse Practitioner (Family)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Social Worker (Clinical)
650 E INDIAN SCHOOL RD, BLD 4
PHOENIX, AZ 85012
Physician Assistant
650 E INDIAN SCHOOL RD, VA MEDICAL CENTER
PHOENIX, AZ 85012
Social Worker (Clinical)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Social Worker
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Social Worker (Clinical)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Social Worker
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Internal Medicine
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Psychiatry & Neurology (Psychiatry)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Social Worker (Clinical)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Psychologist (Counseling)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Radiology (Diagnostic Radiology)
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012
Internal Medicine
650 E INDIAN SCHOOL RD
PHOENIX, AZ 85012

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780474809, enumerated as an "individual" on May 12, 2025.

The provider is located at 650 E INDIAN SCHOOL RD PHOENIX, AZ 85012 and the phone number is (602) 277-5551.

Dietitian, Registered with taxonomy code 133V00000X.