Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

KELSEY LARSEN
NPI 1427984798
Nurse Practitioner - Family in Fergus Falls, MN

Active since June 23, 2026
712 S CASCADE ST, FERGUS FALLS, MN 56537(218) 736-8000 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Nurse Practitioner
  • Family

About KELSEY LARSEN

This page provides the complete NPI Profile along with additional information for Kelsey Larsen, a provider established in Fergus Falls, Minnesota with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1427984798 assigned on June 2026. The practitioner's primary taxonomy code is 363LF0000X with license number 14434 (MN). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1427984798
Provider Name
KELSEY LARSEN
Gender
Female
Entity Type
Individual
Location Address
712 S CASCADE ST FERGUS FALLS, MN 56537
Location Phone
(218) 736-8000
Mailing Address
22927 OAK KNOLL CIR FERGUS FALLS, MN 56537
Is Sole Proprietor?
No
Enumeration Date
06-23-2026
Last Update Date
07-07-2026
Code Navigator

A nurse practitioner (NP) like Kelsey Larsen is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
14434
License State
MN

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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 1427984798, we treat the final digit (8) 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 82. The final step is to find the difference between that total and the next multiple of ten (90 - 82 = 8).

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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 9 → 18 → 9 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 8 + 8 + 7 + 1 + 8 + 24 = 82

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

The next multiple of ten after 82 is 90. The difference is the calculated check digit.

90 - 82 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1427984798.

Other Providers at the Same Location


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

Specialist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Specialist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Specialist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Family Medicine
712 S CASCADE ST
FERGUS FALLS, MN 56537
Pharmacist (Geriatric)
712 S CASCADE ST, LAKE REGION HEALTHCARE CORP
FERGUS FALLS, MN 56537
Pharmacist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Pharmacist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Dietitian, Registered
712 S CASCADE ST
FERGUS FALLS, MN 56537
Dietitian, Registered
712 S CASCADE ST
FERGUS FALLS, MN 56537
Pharmacist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Pharmacist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Physical Therapist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Dietitian, Registered
712 S CASCADE ST
FERGUS FALLS, MN 56537
Pharmacist
712 S CASCADE ST
FERGUS FALLS, MN 56537
Otolaryngology
712 S CASCADE ST, STE 608
FERGUS FALLS, MN 56537
Family Medicine
712 S CASCADE ST
FERGUS FALLS, MN 56537
Internal Medicine
712 S CASCADE ST
FERGUS FALLS, MN 56537
Radiology (Radiation Oncology)
712 S CASCADE ST
FERGUS FALLS, MN 56537
Orthopaedic Surgery
712 S CASCADE ST
FERGUS FALLS, MN 56537
Nurse Practitioner
712 S CASCADE ST
FERGUS FALLS, MN 56537

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427984798, enumerated as an "individual" on June 23, 2026.

The provider is located at 712 S CASCADE ST FERGUS FALLS, MN 56537 and the phone number is (218) 736-8000.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.