MR. CHARLES HOWARD EIGEN L.P.C.
NPI 1992716922
Counselor - Professional in Brookfield, WI

NPI Status: Active since August 11, 2006

Contact Information

16535 W BLUEMOUND RD STE 200
BROOKFIELD, WI
ZIP 53005
Phone: (262) 542-3255
Fax: (262) 821-6180

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Counselor
Professional

About CHARLES EIGEN

This page provides the complete NPI Profile along with additional information for Charles Eigen, a provider established in Brookfield, Wisconsin with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1992716922 assigned on August 2006. The practitioner's primary taxonomy code is 101YP2500X with license number 2950-125 (WI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI: 1992716922
Provider Name: MR. CHARLES HOWARD EIGEN L.P.C.
Gender: Male
Entity Type: Individual
Location Address: 16535 W BLUEMOUND RD STE 200 BROOKFIELD, WI 53005
Location Phone: (262) 542-3255
Location Fax: (262) 821-6180
Mailing Address: 2958 S MABBETT AVE MILWAUKEE, WI 53207
Mailing Phone: (262) 542-3255
Is Sole Proprietor?: No
Enumeration Date: 08-11-2006
Last Update Date: 07-08-2007
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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: Counselor Professional
Taxonomy Code: 101YP2500X
Type: Behavioral Health & Social Service Providers
License No.: 2950-125
License State: WI

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 1992716922, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 7 → 14 → 5 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 4 + 1 + 1 + 2 + 9 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1992716922.