ALLISON WILLETT RDN
NPI 1043021801
Dietitian, Registered in Grand Rapids, MI

NPI Status: Active since January 20, 2025

Contact Information

300 LAFAYETTE AVE SE
GRAND RAPIDS, MI
ZIP 49503
Phone: (616) 685-5003

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  • Individual
  • Female
  • Dietitian, Registered

About ALLISON WILLETT

This page provides the complete NPI Profile along with additional information for Allison Willett, a provider established in Grand Rapids, Michigan with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1043021801 assigned on January 2025. The practitioner's primary taxonomy code is 133V00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1043021801
Provider Name
ALLISON WILLETT RDN
Other Name
ALLISON REAM RDN
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
300 LAFAYETTE AVE SE GRAND RAPIDS, MI 49503
Location Phone
(616) 685-5003
Mailing Address
6910 QUINCY AVE SW GRAND RAPIDS, MI 49548
Mailing Phone
(616) 685-5003
Is Sole Proprietor?
No
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

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License State
MI
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 1043021801, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 0 → 0 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 0 + 2 + 2 + 8 + 0 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1043021801.

Other Providers at the Same Location


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

Pharmacist
300 LAFAYETTE AVE SE
GRAND RAPIDS, MI 49503
Internal Medicine
300 LAFAYETTE AVE SE, SUITE 3000
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 4200
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 4000
GRAND RAPIDS, MI 49503
Internal Medicine
300 LAFAYETTE AVE SE, SUITE 3000
GRAND RAPIDS, MI 49503
Nurse Practitioner
300 LAFAYETTE AVE SE, SUITE 4200
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 3000
GRAND RAPIDS, MI 49503
Physician Assistant
300 LAFAYETTE AVE SE
GRAND RAPIDS, MI 49503
Internal Medicine (Endocrinology, Diabetes & Metabolism)
300 LAFAYETTE AVE SE, STE 2045
GRAND RAPIDS, MI 49503
Nurse Practitioner (Adult Health)
300 LAFAYETTE AVE SE
GRAND RAPIDS, MI 49503
Pharmacist
300 LAFAYETTE AVE SE
GRAND RAPIDS, MI 49503
Dietitian, Registered
300 LAFAYETTE AVE SE, SUITE 2045
GRAND RAPIDS, MI 49503
Dietitian, Registered
300 LAFAYETTE AVE SE, SUITE 2045
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 3400
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 3400
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 3400
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 4000
GRAND RAPIDS, MI 49503
Nurse Practitioner (Adult Health)
300 LAFAYETTE AVE SE, SUITE 2045
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, SUITE 3400
GRAND RAPIDS, MI 49503
Family Medicine
300 LAFAYETTE AVE SE, 4000
GRAND RAPIDS, MI 49503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043021801, enumerated as an "individual" on January 20, 2025.

The provider is located at 300 LAFAYETTE AVE SE GRAND RAPIDS, MI 49503 and the phone number is (616) 685-5003.

Dietitian, Registered with taxonomy code 133V00000X.