TIFFANY CHAG MS, RD
NPI 1124839972
Dietitian, Registered - Nutrition, Sports Dietetics in Arlington, MA

NPI Status: Active since January 20, 2025

Contact Information

86 WARREN ST
ARLINGTON, MA
ZIP 02474
Phone: (617) 943-0025

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  • Individual
  • Female
  • Dietitian, Registered
  • Nutrition, Sports Dietetics

About TIFFANY CHAG

This page provides the complete NPI Profile along with additional information for Tiffany Chag, a provider established in Arlington, Massachusetts with a medical specialization in Dietitian, Registered, focusing in nutrition, sports dietetics . The healthcare provider is registered in the NPI registry with number 1124839972 assigned on January 2025. The practitioner's primary taxonomy code is 133VN1501X with license number 86043708 (MA). The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1124839972
Provider Name
TIFFANY CHAG MS, RD
Gender
Female
Entity Type
Individual
Location Address
86 WARREN ST ARLINGTON, MA 02474
Location Phone
(617) 943-0025
Mailing Address
86 WARREN ST ARLINGTON, MA 02474
Is Sole Proprietor?
Yes
Enumeration Date
01-20-2025
Last Update Date
01-20-2025
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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

Dietitian, Registered Nutrition, Sports Dietetics

Taxonomy Code
133VN1501X
Type
Dietary & Nutritional Service Providers
License No.
86043708
License State
MA
Taxonomy Description
An individual who is a Board Certified Specialist in Sports Dietetics and applies evidence-based nutrition knowledge in exercise and sports. RDNs specializing in sports dietetics assess, educate, and counsel athletes and active individuals. They design, implement, and manage safe and effective nutrition strategies that enhance lifelong health, fitness, and optimal performance.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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 1124839972, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 2 → 4 8 → 16 → 7 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 6 + 3 + 1 + 8 + 9 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1124839972.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124839972, enumerated as an "individual" on January 20, 2025.

The provider is located at 86 WARREN ST ARLINGTON, MA 02474 and the phone number is (617) 943-0025.

Dietitian, Registered with taxonomy code 133VN1501X and a focus in Nutrition, Sports Dietetics.