JOHN NELSON PMHNP
NPI 1194682021
Nurse Practitioner - Psychiatric/Mental Health in Milwaukee, WI

NPI Status: Active since January 05, 2026

Contact Information

7330 W LAYTON AVE
MILWAUKEE, WI
ZIP 53220
Phone: (414) 877-4570
Fax: (414) 281-9884

Get Directions Write a Review

  • Individual
  • Male
  • Nurse Practitioner
  • Psychiatric/Mental Health

About JOHN NELSON

This page provides the complete NPI Profile along with additional information for John Nelson, a provider established in Milwaukee, Wisconsin with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1194682021 assigned on January 2026. The practitioner's primary taxonomy code is 363LP0808X with license number 17849-33 (WI). The provider is registered as an individual and his NPI record was last updated January 2026.

NPI
1194682021
Provider Name
JOHN NELSON PMHNP
Gender
Male
Entity Type
Individual
Location Address
7330 W LAYTON AVE MILWAUKEE, WI 53220
Location Phone
(414) 877-4570
Location Fax
(414) 281-9884
Mailing Address
3244 S ELMWOOD AVE GREENFIELD, WI 53219
Mailing Phone
(414) 745-2764
Is Sole Proprietor?
No
Enumeration Date
01-05-2026
Last Update Date
01-05-2026
Code Navigator

A nurse practitioner (NP) like John Nelson 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 Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
17849-33
License State
WI

Reviews for JOHN NELSON PMHNP

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1194682021, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 9 → 18 → 9 6 → 12 → 3 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 2 + 8 + 4 + 0 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1194682021.

Other Providers at the Same Location


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

Psychologist
7330 W LAYTON AVE
GREENFIELD, WI 53220
Social Worker (Clinical)
7330 W LAYTON AVE, AMERICAN BEHAVIORAL CLINICS SC
MILWAUKEE, WI 53220
Psychiatry & Neurology (Psychiatry)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Psychiatry & Neurology (Psychiatry)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Nurse Practitioner
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Addiction (Substance Use Disorder))
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Professional)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Professional)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Psychologist
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Social Worker
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Social Worker
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220
Counselor (Mental Health)
7330 W LAYTON AVE
MILWAUKEE, WI 53220

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194682021, enumerated as an "individual" on January 05, 2026.

The provider is located at 7330 W LAYTON AVE MILWAUKEE, WI 53220 and the phone number is (414) 877-4570.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.