MARILYN RAE CROWTHER
NPI 1427375997
Contractor in Aitkin, MN

NPI Status: Active since April 23, 2010

Contact Information

34852 363RD PL
ROCKY RIDGE AFC
AITKIN, MN
ZIP 56431
Phone: (218) 927-2755

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  • Individual
  • Female
  • Contractor

About MARILYN CROWTHER

This page provides the complete NPI Profile along with additional information for Marilyn Crowther, a provider established in Aitkin, Minnesota with a medical specialization in Contractor. The healthcare provider is registered in the NPI registry with number 1427375997 assigned on April 2010. The practitioner's primary taxonomy code is 171W00000X with license number 1052834-1-AFC (MN). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1427375997
Provider Name
MARILYN RAE CROWTHER
Gender
Female
Entity Type
Individual
Location Address
34852 363RD PL ROCKY RIDGE AFC AITKIN, MN 56431
Location Phone
(218) 927-2755
Mailing Address
34852 363RD PL AITKIN, MN 56431
Mailing Phone
(218) 927-2755
Is Sole Proprietor?
Yes
Enumeration Date
04-23-2010
Last Update Date
04-23-2010
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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

Contractor

Taxonomy Code
171W00000X
Type
Other Service Providers
License No.
1052834-1-AFC
License State
MN
Taxonomy Description
For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.

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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 1427375997, 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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 2 → 4 3 → 6 5 → 10 → 1 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 + 6 + 7 + 1 + 0 + 9 + 1 + 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 1427375997.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427375997, enumerated as an "individual" on April 23, 2010.

The provider is located at 34852 363RD PL ROCKY RIDGE AFC AITKIN, MN 56431 and the phone number is (218) 927-2755.

Contractor with taxonomy code 171W00000X.