MADELYN PAIGE GEHRING RN
NPI 1336015023
Registered Nurse - Addiction (Substance Use Disorder) in West Allis, WI

NPI Status: Active since October 11, 2025

Contact Information

11390 W THEODORE TRECKER WAY
WEST ALLIS, WI
ZIP 53214
Phone: (414) 928-1401
Fax: (414) 928-1402

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

About MADELYN GEHRING

This page provides the complete NPI Profile along with additional information for Madelyn Gehring, a provider established in West Allis, 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 1336015023 assigned on October 2025. The practitioner's primary taxonomy code is 163WA0400X with license number 1109068-30 (WI). The provider is registered as an individual and her NPI record was last updated December 2025. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1336015023
Provider Name
MADELYN PAIGE GEHRING RN
Gender
Female
Entity Type
Individual
Location Address
11390 W THEODORE TRECKER WAY WEST ALLIS, WI 53214
Location Phone
(414) 928-1401
Location Fax
(414) 928-1402
Mailing Address
11390 W THEODORE TRECKER WAY WEST ALLIS, WI 53214
Mailing Phone
(414) 928-1401
Mailing Fax
(414) 928-1402
Is Sole Proprietor?
Yes
Enumeration Date
10-11-2025
Last Update Date
12-23-2025
Code Navigator

A registered nurse (RN) like Madelyn Gehring 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.
1109068-30
License State
WI

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1336015023, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
3
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 3 → 6 0 → 0 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 0 + 1 + 1 + 0 + 0 + 4 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1336015023.

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))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST MILWAUKEE, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Clinic/Center (Methadone)
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Counselor (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Licensed Practical Nurse
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Social Worker (Clinical)
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Social Worker (Clinical)
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Counselor (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214
Registered Nurse (Addiction (Substance Use Disorder))
11390 W THEODORE TRECKER WAY
WEST ALLIS, WI 53214

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336015023, enumerated as an "individual" on October 11, 2025.

The provider is located at 11390 W THEODORE TRECKER WAY WEST ALLIS, WI 53214 and the phone number is (414) 928-1401.

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