DR. JOEL DAVID MALAK RN, APNP
NPI 1881998904
Nurse Practitioner - Occupational Health in Oregon, WI

NPI Status: Active since January 04, 2011

Contact Information

290 LYNNE TRL
OREGON, WI
ZIP 53575
Phone: (920) 948-2810

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  • Individual
  • Male
  • Nurse Practitioner
  • Occupational Health

About JOEL MALAK

This page provides the complete NPI Profile along with additional information for Joel Malak, a provider established in Oregon, Wisconsin with a medical specialization in Nurse Practitioner, focusing in occupational health . The healthcare provider is registered in the NPI registry with number 1881998904 assigned on January 2011. The practitioner's primary taxonomy code is 363LX0106X with license number 16646-33 (WI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1881998904
Provider Name
DR. JOEL DAVID MALAK RN, APNP
Gender
Male
Entity Type
Individual
Location Address
290 LYNNE TRL OREGON, WI 53575
Location Phone
(920) 948-2810
Mailing Address
333 E CAMPUS MALL SUITE NUMBER 6121 MADISON, WI 53715
Mailing Phone
(608) 262-0955
Is Sole Proprietor?
No
Enumeration Date
01-04-2011
Last Update Date
06-28-2025
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A nurse practitioner (NP) like Joel Malak 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 Occupational Health

Taxonomy Code
363LX0106X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
16646-33
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)
1163WX0106XNursing Service Providers

Registered Nurse
Occupational Health

169301-30 (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 1881998904, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
Check
4
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 8 → 16 → 7 9 → 18 → 9 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 8 + 9 + 1 + 6 + 9 + 0 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881998904.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881998904, enumerated as an "individual" on January 04, 2011.

The provider is located at 290 LYNNE TRL OREGON, WI 53575 and the phone number is (920) 948-2810.

Nurse Practitioner with taxonomy code 363LX0106X and a focus in Occupational Health.