LIBBY LOOFT LAWSON RDN
NPI 1669329702
Dietitian, Registered in Denver, CO

NPI Status: Active since March 16, 2026

Contact Information

2346 CENTRAL PARK BLVD
DENVER, CO
ZIP 80238
Phone: (970) 218-8725

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  • Individual
  • Female
  • Dietitian, Registered

About LIBBY LAWSON

This page provides the complete NPI Profile along with additional information for Libby Lawson, a provider established in Denver, Colorado with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1669329702 assigned on March 2026. The practitioner's primary taxonomy code is 133V00000X with license number 86417552 (CO). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1669329702
Provider Name
LIBBY LOOFT LAWSON RDN
Gender
Female
Entity Type
Individual
Location Address
2346 CENTRAL PARK BLVD DENVER, CO 80238
Location Phone
(970) 218-8725
Mailing Address
2346 CENTRAL PARK BLVD DENVER, CO 80238
Is Sole Proprietor?
No
Enumeration Date
03-16-2026
Last Update Date
03-16-2026
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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 No.
86417552
License State
CO
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.

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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 1669329702, 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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
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 6 → 12 → 3 3 → 6 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 6 + 2 + 1 + 8 + 7 + 0 + 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 1669329702.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669329702, enumerated as an "individual" on March 16, 2026.

The provider is located at 2346 CENTRAL PARK BLVD DENVER, CO 80238 and the phone number is (970) 218-8725.

Dietitian, Registered with taxonomy code 133V00000X.