DREW DAVID DYRSSEN LPC
NPI 1265091664
Counselor - Professional in Mequon, WI

NPI Status: Active since June 10, 2019

Contact Information

14135 N CEDARBURG RD
MEQUON, WI
ZIP 53097
Phone: (262) 377-2006

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  • Individual
  • Male
  • Counselor
  • Professional

About DREW DYRSSEN

This page provides the complete NPI Profile along with additional information for Drew Dyrssen, a provider established in Mequon, Wisconsin with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1265091664 assigned on June 2019. The practitioner's primary taxonomy code is 101YP2500X with license number 7391-125 (WI). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1265091664
Provider Name
DREW DAVID DYRSSEN LPC
Gender
Male
Entity Type
Individual
Location Address
14135 N CEDARBURG RD MEQUON, WI 53097
Location Phone
(262) 377-2006
Mailing Address
14135 N CEDARBURG RD MEQUON, WI 53097
Mailing Phone
(262) 377-2006
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
06-10-2019
Last Update Date
10-20-2021
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Location Map

Secondary Locations

  • 8800 W Bluemound Rd
    Milwaukee, WI 53226
    (800) 438-1772

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.
7391-125
License State
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 1265091664, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 0 → 0 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 0 + 9 + 2 + 6 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1265091664.

Other Providers at the Same Location


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

Psychologist (Clinical)
14135 N CEDARBURG RD, SUITE 100
MEQUON, WI 53097
Psychologist
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist (Clinical)
14135 N CEDARBURG RD, SUITE 3
MEQUON, WI 53097
Counselor (Professional)
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist (Clinical)
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist (Clinical)
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist (Clinical)
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist (Clinical)
14135 N CEDARBURG RD
MEQUON, WI 53097
Clinic/Center (Mental Health (Including Community Mental Health Center))
14135 N CEDARBURG RD
MEQUON, WI 53097
Clinic/Center (Mental Health (Including Community Mental Health Center))
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist
14135 N CEDARBURG RD, # 203
MEQUON, WI 53097
Community/Behavioral Health
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist
14135 N CEDARBURG RD
MEQUON, WI 53097
Psychologist
14135 N CEDARBURG RD
MEQUON, WI 53097
Clinic/Center (Adolescent and Children Mental Health)
14135 N CEDARBURG RD
MEQUON, WI 53097
Clinic/Center (Mental Health (Including Community Mental Health Center))
14135 N CEDARBURG RD
MEQUON, WI 53097
Clinic/Center (Mental Health (Including Community Mental Health Center))
14135 N CEDARBURG RD
MEQUON, WI 53097
Social Worker (Clinical)
14135 N CEDARBURG RD
MEQUON, WI 53097
Social Worker (Clinical)
14135 N CEDARBURG RD
MEQUON, WI 53097

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265091664, enumerated as an "individual" on June 10, 2019.

The provider is located at 14135 N CEDARBURG RD MEQUON, WI 53097 and the phone number is (262) 377-2006.

Counselor with taxonomy code 101YP2500X and a focus in Professional.