LAURA COLLOTON CHREST
NPI 1841148228
Registered Nurse - Addiction (Substance Use Disorder) in Onalaska, WI

NPI Status: Active since March 20, 2026

Contact Information

9532 E 16 FRONTAGE RD
ONALASKA, WI
ZIP 54650
Phone: (608) 783-0506

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  • Individual
  • Female
  • Registered Nurse
  • Addiction (Substance Use Disorder)

About LAURA COLLOTON CHREST

This page provides the complete NPI Profile along with additional information for Laura Colloton Chrest, a provider established in Onalaska, Wisconsin with a medical specialization in Registered Nurse, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1841148228 assigned on March 2026. The practitioner's primary taxonomy code is 163WA0400X with license number 17680030 (WI). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1841148228
Provider Name
LAURA COLLOTON CHREST
Gender
Female
Entity Type
Individual
Location Address
9532 E 16 FRONTAGE RD ONALASKA, WI 54650
Location Phone
(608) 783-0506
Mailing Address
9532 E 16 FRONTAGE RD ONALASKA, WI 54650
Mailing Phone
(608) 783-0506
Is Sole Proprietor?
No
Enumeration Date
03-20-2026
Last Update Date
03-20-2026
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A registered nurse (RN) like Laura Colloton Chrest coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

Addiction nurses - this registered nurse specializes in addiction medicine assisting patients in overcoming dependencies on alcohol, drugs, and other substances.

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

Registered Nurse Addiction (Substance Use Disorder)

Taxonomy Code
163WA0400X
Type
Nursing Service Providers
License No.
17680030
License State
WI

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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 1841148228, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
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 4 → 8 1 → 2 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 2 + 4 + 1 + 6 + 2 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1841148228.

Other Providers at the Same Location


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

Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, SUITE 100
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, SUITE 100
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, SUITE 100
ONALASKA, WI 54650
Clinic/Center (Mental Health (Including Community Mental Health Center))
9532 E 16 FRONTAGE RD, SUITE 100
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Administrator)
9532 E 16 FRONTAGE RD, 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Licensed Practical Nurse
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Counselor (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD, STE. 100
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD
ONALASKA, WI 54650
Registered Nurse (Addiction (Substance Use Disorder))
9532 E 16 FRONTAGE RD
ONALASKA, WI 54650

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841148228, enumerated as an "individual" on March 20, 2026.

The provider is located at 9532 E 16 FRONTAGE RD ONALASKA, WI 54650 and the phone number is (608) 783-0506.

Registered Nurse with taxonomy code 163WA0400X and a focus in Addiction (Substance Use Disorder).