DR. HEE J. YOON M.D.
NPI 1417930363
Radiology - Radiation Oncology in Worthington, MN

NPI Status: Active since November 23, 2005

Contact Information

1018 6TH AVE
WORTHINGTON, MN
ZIP 56187
Phone: (507) 343-6100
Fax: (507) 372-3620

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

Individual
Male
Radiology
Radiation Oncology

About HEE YOON

This page provides the complete NPI Profile along with additional information for Hee Yoon, a provider established in Worthington, Minnesota with a medical specialization in Radiology, focusing in radiation oncology . The healthcare provider is registered in the NPI registry with number 1417930363 assigned on November 2005. The practitioner's primary taxonomy code is 2085R0001X with license number 53243 (MN). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI: 1417930363
Provider Name: DR. HEE J. YOON M.D.
Gender: Male
Entity Type: Individual
Location Address: 1018 6TH AVE WORTHINGTON, MN 56187
Location Phone: (507) 343-6100
Location Fax: (507) 372-3620
Mailing Address: PO BOX 5074 SIOUX FALLS, SD 57117
Mailing Phone: (605) 328-6585
Mailing Fax: (507) 372-3620
Is Sole Proprietor?: No
Enumeration Date: 11-23-2005
Last Update Date: 02-22-2018
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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: Radiology Radiation Oncology
Taxonomy Code: 2085R0001X
Type: Allopathic & Osteopathic Physicians
License No.: 53243
License State: MN
Taxonomy Description: A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

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 1417930363, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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 → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

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 9 → 18 → 9 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 2 + 7 + 1 + 8 + 3 + 0 + 3 + 1 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1417930363.