THERESA A CLARK RDN/LDN, CSP
NPI 1013882174
Dietitian, Registered - Nutrition, Pediatric in Orlando, FL

NPI Status: Active since October 08, 2025

Contact Information

615 E PRINCETON ST STE 104
ORLANDO, FL
ZIP 32803
Phone: (407) 303-6920

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

Individual
Female
Dietitian, Registered
Nutrition, Pediatric

About THERESA CLARK

This page provides the complete NPI Profile along with additional information for Theresa Clark, a provider established in Orlando, Florida with a medical specialization in Dietitian, Registered, focusing in nutrition, pediatric . The healthcare provider is registered in the NPI registry with number 1013882174 assigned on October 2025. The practitioner's primary taxonomy code is 133VN1004X with license number 10481 (FL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1013882174
Provider Name: THERESA A CLARK RDN/LDN, CSP
Gender: Female
Entity Type: Individual
Location Address: 615 E PRINCETON ST STE 104 ORLANDO, FL 32803
Location Phone: (407) 303-6920
Mailing Address: 615 E PRINCETON ST STE 104 ORLANDO, FL 32803
Is Sole Proprietor?: No
Enumeration Date: 10-08-2025
Last Update Date: 10-08-2025
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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, Pediatric
Taxonomy Code: 133VN1004X
Type: Dietary & Nutritional Service Providers
License No.: 10481
License State: FL
Taxonomy Description: An individual who is a Board Certified Specialist in Pediatric Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for pediatric patients. Specialists work directly with healthy and/or ill children (newborn up to 21 years of age) as well as children with special health care needs in a variety of settings (hospitals, community-based and/or family-centered programs, education programs, home, etc.), OR indirectly through management, care coordination, education, quality improvement, or research practice linked specifically to pediatric nutrition.

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 1013882174, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 4

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 1 → 2 8 → 16 → 7 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 1 + 6 + 8 + 4 + 1 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1013882174.