MELANIE E RUETZ
NPI 1477413052
Nurse Practitioner - Pediatrics in Milwaukee, WI

NPI Status: Active since November 14, 2025

Contact Information

9000 W WISCONSIN AVE
MILWAUKEE, WI
ZIP 53226
Phone: (414) 266-2873

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  • Individual
  • Female
  • Nurse Practitioner
  • Pediatrics

About MELANIE RUETZ

This page provides the complete NPI Profile along with additional information for Melanie Ruetz, a provider established in Milwaukee, Wisconsin with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1477413052 assigned on November 2025. The practitioner's primary taxonomy code is 363LP0200X with license number 16910-33 (WI). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1477413052
Provider Name
MELANIE E RUETZ
Gender
Female
Entity Type
Individual
Location Address
9000 W WISCONSIN AVE MILWAUKEE, WI 53226
Location Phone
(414) 266-2873
Mailing Address
9000 W WISCONSIN AVE MILWAUKEE, WI 53226
Mailing Phone
(414) 266-2873
Is Sole Proprietor?
No
Enumeration Date
11-14-2025
Last Update Date
01-09-2026
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A nurse practitioner (NP) like Melanie Ruetz 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 Pediatrics

Taxonomy Code
363LP0200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
16910-33
License State
WI

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1163W00000XNursing Service Providers

Registered Nurse

24952530 (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 1477413052, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 7 → 14 → 5 4 → 8 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 8 + 1 + 6 + 0 + 1 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1477413052.

Other Providers at the Same Location


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

Pediatrics (Pediatric Nephrology)
9000 W WISCONSIN AVE, PEDIATRIC NEPHROLOGY
MILWAUKEE, WI 53226
Genetic Counselor, MS
9000 W WISCONSIN AVE, MS 716
MILWAUKEE, WI 53226
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE, PEDIATRIC HEMATOLOGY/ONCOLOGY
MILWAUKEE, WI 53226
Pediatrics (Pediatric Allergy/Immunology)
9000 W WISCONSIN AVE, PEDIATRIC ALLERGY/IMMUNOLOGY
MILWAUKEE, WI 53226
Surgery (Pediatric Surgery)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE, CHILDREN'S HOSPITAL OF WISCONSIN
MILWAUKEE, WI 53226
Neurological Surgery
9000 W WISCONSIN AVE, CHILDREN'S HEALTH SYS OFFICE BLDG
MILWAUKEE, WI 53226
Hospitalist
9000 W WISCONSIN AVE, CHILDREN'S HOSPITAL OF WISCONSIN
MILWAUKEE, WI 53226
Anesthesiology (Critical Care Medicine)
9000 W WISCONSIN AVE, PEDIATRIC ANESTHESIOLOGY
MILWAUKEE, WI 53226
Surgery (Pediatric Surgery)
9000 W WISCONSIN AVE, CHILDREN'S HEALTH SYS OFFICE BLDG
MILWAUKEE, WI 53226
Allergy & Immunology
9000 W WISCONSIN AVE, CHILDREN'S HEALTH SYS OFFICE BLDG
MILWAUKEE, WI 53226
Anesthesiology
9000 W WISCONSIN AVE, PEDIATRIC ANESTHESIOLOGY
MILWAUKEE, WI 53226
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE, CHILDREN'S HOSPITAL OF WISCONSIN
MILWAUKEE, WI 53226
Registered Nurse
9000 W WISCONSIN AVE, CHILDREN'S HOSPITAL OF WISCONSIN
MILWAUKEE, WI 53226
Anesthesiology
9000 W WISCONSIN AVE, PEDIATRIC ANESTHESIOLOGY
MILWAUKEE, WI 53226
Audiologist
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine (Medical Toxicology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Pediatrics (Pediatric Allergy/Immunology)
9000 W WISCONSIN AVE, PEDIATRIC ALLERY AND IMMUNOLOGY
MILWAUKEE, WI 53226
Audiologist
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Audiologist
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477413052, enumerated as an "individual" on November 14, 2025.

The provider is located at 9000 W WISCONSIN AVE MILWAUKEE, WI 53226 and the phone number is (414) 266-2873.

Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.