LUTHER KNUDSEN
NPI 1649810847
Social Worker in Rochester, MN

NPI Status: Active since January 15, 2020

Contact Information

1216 2ND ST SW
ROCHESTER, MN
ZIP 55902
Phone: (507) 255-3811

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  • Individual
  • Male
  • Social Worker

About LUTHER KNUDSEN

This page provides the complete NPI Profile along with additional information for Luther Knudsen, a provider established in Rochester, Minnesota with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1649810847 assigned on January 2020. The practitioner's primary taxonomy code is 104100000X with license number 33415 (MN). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1649810847
Provider Name
LUTHER KNUDSEN
Gender
Male
Entity Type
Individual
Location Address
1216 2ND ST SW ROCHESTER, MN 55902
Location Phone
(507) 255-3811
Mailing Address
200 1ST ST SW ROCHESTER, MN 55905
Mailing Phone
(507) 284-2511
Is Sole Proprietor?
No
Enumeration Date
01-15-2020
Last Update Date
04-23-2025
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A social worker like Luther Knudsen helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
33415
License State
MN
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1649810847, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 8 → 16 → 7 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 1 + 6 + 1 + 0 + 8 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1649810847.

Other Providers at the Same Location


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

Pharmacist
1216 2ND ST SW
ROCHESTER, MN 55902
Recreation Therapist
1216 2ND ST SW, GENEROSE BLDG. 3 410
ROCHESTER, MN 55902
Pharmacist
1216 2ND ST SW
ROCHESTER, MN 55902
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1216 2ND ST SW
ROCHESTER, MN 55902
Pharmacist
1216 2ND ST SW, ST. MARY'S HOSPITAL, PHARMACY SERVICES, MB G-722
ROCHESTER, MN 55902
Physician Assistant (Surgical)
1216 2ND ST SW, MARY BRIGH BUILDING 02
ROCHESTER, MN 55902
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1216 2ND ST SW
ROCHESTER, MN 55902
Pharmacist
1216 2ND ST SW
ROCHESTER, MN 55902
Pharmacist
1216 2ND ST SW
ROCHESTER, MN 55902
Registered Nurse
1216 2ND ST SW, ALFRED 3-416
ROCHESTER, MN 55902
Pharmacist (Pharmacotherapy)
1216 2ND ST SW
ROCHESTER, MN 55902
Clinical Nurse Specialist (Adult Health)
1216 2ND ST SW
ROCHESTER, MN 55902
Registered Nurse (Critical Care Medicine)
1216 2ND ST SW
ROCHESTER, MN 55902
Music Therapist
1216 2ND ST SW, GENEROSE 3-410
ROCHESTER, MN 55902
Registered Nurse
1216 2ND ST SW
ROCHESTER, MN 55902
Dietitian, Registered
1216 2ND ST SW
ROCHESTER, MN 55902
Respiratory Therapist, Registered (Critical Care)
1216 2ND ST SW
ROCHESTER, MN 55902
Respiratory Therapist, Certified (Critical Care)
1216 2ND ST SW
ROCHESTER, MN 55902
Pharmacist
1216 2ND ST SW
ROCHESTER, MN 55902
Nurse Anesthetist, Certified Registered
1216 2ND ST SW
ROCHESTER, MN 55902

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649810847, enumerated as an "individual" on January 15, 2020.

The provider is located at 1216 2ND ST SW ROCHESTER, MN 55902 and the phone number is (507) 255-3811.

Social Worker with taxonomy code 104100000X.