MR. CHRISTOPHER EVERETTE MUMFREY, MSNHP MS-NHP
NPI 1891398095
Nutritionist - Nutrition, Education in Greenwood Village, CO

NPI Status: Active since November 19, 2020

Contact Information

5191 S YOSEMITE ST STE A
GREENWOOD VILLAGE, CO
ZIP 80111
Phone: (303) 771-3102

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

Individual
Male
Nutritionist
Nutrition, Education

About CHRISTOPHER MUMFREY, MSNHP

This page provides the complete NPI Profile along with additional information for Christopher Mumfrey, Msnhp, a provider established in Greenwood Village, Colorado with a medical specialization in Nutritionist, focusing in nutrition, education . The healthcare provider is registered in the NPI registry with number 1891398095 assigned on November 2020. The practitioner's primary taxonomy code is 133NN1002X. The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI: 1891398095
Provider Name: MR. CHRISTOPHER EVERETTE MUMFREY, MSNHP MS-NHP
Gender: Male
Entity Type: Individual
Location Address: 5191 S YOSEMITE ST STE A GREENWOOD VILLAGE, CO 80111
Location Phone: (303) 771-3102
Mailing Address: 5191 S YOSEMITE ST STE A GREENWOOD VILLAGE, CO 80111
Mailing Phone: (303) 771-3102
Is Sole Proprietor?: Yes
Enumeration Date: 11-19-2020
Last Update Date: 11-19-2020
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Location Map

Secondary Locations

8074 S Syracuse St
Centennial, CO 80112
(720) 201-8001

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: Nutritionist Nutrition, Education
Taxonomy Code: 133NN1002X
Type: Dietary & Nutritional Service Providers

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 1891398095, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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 → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

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 9 → 18 → 9 3 → 6 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 6 + 9 + 1 + 6 + 0 + 1 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1891398095.