MADALYNN SZEJNA
NPI 1821916867
Counselor - Professional in Madison, WI

NPI Status: Active since July 07, 2026

Contact Information

1716 FORDEM AVE
MADISON, WI
ZIP 53704
Phone: (608) 221-3511

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  • Individual
  • Female
  • Counselor
  • Professional

About MADALYNN SZEJNA

This page provides the complete NPI Profile along with additional information for Madalynn Szejna, a provider established in Madison, Wisconsin with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1821916867 assigned on July 2026. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1821916867
Provider Name
MADALYNN SZEJNA
Gender
Female
Entity Type
Individual
Location Address
1716 FORDEM AVE MADISON, WI 53704
Location Phone
(608) 221-3511
Mailing Address
372 LEONA WAY OAKFIELD, WI 53065
Is Sole Proprietor?
No
Enumeration Date
07-07-2026
Last Update Date
07-07-2026
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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 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 1821916867, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 1 + 1 + 2 + 8 + 1 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1821916867.

Other Providers at the Same Location


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

Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Marriage & Family Therapist
1716 FORDEM AVE
MADISON, WI 53704
Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Social Worker
1716 FORDEM AVE
MADISON, WI 53704
Marriage & Family Therapist
1716 FORDEM AVE
MADISON, WI 53704
Counselor (Mental Health)
1716 FORDEM AVE
MADISON, WI 53704
Marriage & Family Therapist
1716 FORDEM AVE
MADISON, WI 53704
Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Marriage & Family Therapist
1716 FORDEM AVE
MADISON, WI 53704
Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Counselor (Mental Health)
1716 FORDEM AVE
MADISON, WI 53704
Counselor (Professional)
1716 FORDEM AVE
MADISON, WI 53704
Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Social Worker (Clinical)
1716 FORDEM AVE
MADISON, WI 53704
Counselor (Professional)
1716 FORDEM AVE
MADISON, WI 53704
Marriage & Family Therapist
1716 FORDEM AVE
MADISON, WI 53704
Counselor (Mental Health)
1716 FORDEM AVE
MADISON, WI 53704
Marriage & Family Therapist
1716 FORDEM AVE
MADISON, WI 53704
Counselor (Mental Health)
1716 FORDEM AVE
MADISON, WI 53704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821916867, enumerated as an "individual" on July 07, 2026.

The provider is located at 1716 FORDEM AVE MADISON, WI 53704 and the phone number is (608) 221-3511.

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