HELEN HALLEY RD, LD, CSO, CNSC
NPI 1922638550
Dietitian, Registered - Nutrition, Oncology in Chesterfield, MO

NPI Status: Active since January 23, 2020

Contact Information

1851 SCHOETTLER RD
CHESTERFIELD, MO
ZIP 63017
Phone: (636) 230-1858

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

Individual
Female
Dietitian, Registered
Nutrition, Oncology

About HELEN HALLEY

This page provides the complete NPI Profile along with additional information for Helen Halley, a provider established in Chesterfield, Missouri with a medical specialization in Dietitian, Registered, focusing in nutrition, oncology . The healthcare provider is registered in the NPI registry with number 1922638550 assigned on January 2020. The practitioner's primary taxonomy code is 133VN1301X with license number 1013449 (). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI: 1922638550
Provider Name: HELEN HALLEY RD, LD, CSO, CNSC
Gender: Female
Entity Type: Individual
Location Address: 1851 SCHOETTLER RD CHESTERFIELD, MO 63017
Location Phone: (636) 230-1858
Mailing Address: 9 RICARDO LN SAINT LOUIS, MO 63124
Mailing Phone: (314) 578-8234
Is Sole Proprietor?: Yes
Enumeration Date: 01-23-2020
Last Update Date: 01-23-2020
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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, Oncology
Taxonomy Code: 133VN1301X
Type: Dietary & Nutritional Service Providers
License No.: 1013449
Taxonomy Description: An individual who is a Board Certified Specialist in Oncology Nutrition and provides direct nutrition care for individuals at risk for or diagnosed with cancer. RDNs working directly with individuals at risk for, or diagnosed with, any type of malignancy or pre-malignant condition, in a variety of settings (e.g. hospitals, clinics, cancer centers, hospices, public health), OR indirectly through roles in management, education, industry, and research practice linked specifically to oncology nutrition. RDN who works indirectly with oncology nutrition through roles in management, education, industry, and research.

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 1922638550, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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 → 4

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

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 2 → 4 6 → 12 → 3 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 1 + 2 + 3 + 1 + 6 + 5 + 1 + 0 + 24 = 60

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

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

60 - 60 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1922638550.