LARSON DIETETICS
NPI 1740129642
Dietitian, Registered in Bristol, ME

NPI Status: Active since March 26, 2026

Contact Information

25 STONEYBROOK LN
BRISTOL, ME
ZIP 04539
Phone: (918) 914-3215

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  • Organization
  • Dietitian, Registered

About LARSON DIETETICS

This page provides the complete NPI Profile along with additional information for Larson Dietetics, a provider established in Bristol, Maine operating as a Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1740129642 assigned on March 2026. The practitioner's primary taxonomy code is 133V00000X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mr. Philip Robert Larson Rdn (Owner)

NPI
1740129642
Provider Name
LARSON DIETETICS
Entity Type
Organization
Location Address
25 STONEYBROOK LN BRISTOL, ME 04539
Location Phone
(918) 914-3215
Mailing Address
25 STONEYBROOK LN BRISTOL, ME 04539
Mailing Phone
(918) 914-3215
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-26-2026
Last Update Date
03-26-2026
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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
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.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. PHILIP ROBERT LARSON RDN

Authorized Official Title
OWNER
Authorized Official Phone
(918) 914-3215

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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 1740129642, 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
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 4 → 8 1 → 2 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 2 + 2 + 1 + 8 + 6 + 8 + 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 1740129642.

Other Providers at the Same Location


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

Dietitian, Registered
25 STONEYBROOK LN
BRISTOL, ME 04539

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740129642, enumerated as an "organization" on March 26, 2026.

The provider is located at 25 STONEYBROOK LN BRISTOL, ME 04539 and the phone number is (918) 914-3215.

Dietitian, Registered with taxonomy code 133V00000X.