KATJA SEITZ
NPI 1518894799
Counselor - Mental Health in Austin, TX

NPI Status: Active since May 04, 2026

Contact Information

2525 WALLINGWOOD DR
AUSTIN, TX
ZIP 78746
Phone: (512) 501-6200

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  • Individual
  • Female
  • Counselor
  • Mental Health

About KATJA SEITZ

This page provides the complete NPI Profile along with additional information for Katja Seitz, a provider established in Austin, Texas with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1518894799 assigned on May 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1518894799
Provider Name
KATJA SEITZ
Gender
Female
Entity Type
Individual
Location Address
2525 WALLINGWOOD DR AUSTIN, TX 78746
Location Phone
(512) 501-6200
Mailing Address
2525 WALLINGWOOD DR AUSTIN, TX 78746
Is Sole Proprietor?
No
Enumeration Date
05-04-2026
Last Update Date
05-04-2026
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A mental health counselor like Katja Seitz provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

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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 1518894799, we treat the final digit (9) 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 81. The final step is to find the difference between that total and the next multiple of ten (90 - 81 = 9).

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
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 1 → 2 8 → 16 → 7 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 2 + 8 + 1 + 6 + 9 + 8 + 7 + 1 + 8 + 24 = 81

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

The next multiple of ten after 81 is 90. The difference is the calculated check digit.

90 - 81 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1518894799.

Other Providers at the Same Location


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

Psychologist (Clinical)
2525 WALLINGWOOD DR, SUITE 13 B
AUSTIN, TX 78746
Chiropractor
2525 WALLINGWOOD DR, STE 1 B
AUSTIN, TX 78746
Counselor (Professional)
2525 WALLINGWOOD DR, BLDG. 13, STE. B
AUSTIN, TX 78746
Psychologist (Clinical)
2525 WALLINGWOOD DR, SUITE 124
AUSTIN, TX 78746
Counselor (Mental Health)
2525 WALLINGWOOD DR, BLDG. 9, STE. 900
AUSTIN, TX 78746
Dentist (General Practice)
2525 WALLINGWOOD DR, BUILDING 11
AUSTIN, TX 78746
Psychologist
2525 WALLINGWOOD DR, SUITE 701
AUSTIN, TX 78746
Speech-Language Pathologist
2525 WALLINGWOOD DR, BLDG 2
AUSTIN, TX 78746
Speech-Language Pathologist
2525 WALLINGWOOD DR, BLDG B
AUSTIN, TX 78746
Psychologist
2525 WALLINGWOOD DR, BLDG. 1 SUITE 124
AUSTIN, TX 78746
Social Worker (Clinical)
2525 WALLINGWOOD DR, SUITE 700
AUSTIN, TX 78746
Counselor (Professional)
2525 WALLINGWOOD DR, BUILDING 3, SUITE 301
AUSTIN, TX 78746
Marriage & Family Therapist
2525 WALLINGWOOD DR, BUILDING 9
AUSTIN, TX 78746
Social Worker (Clinical)
2525 WALLINGWOOD DR
AUSTIN, TX 78746
Psychologist
2525 WALLINGWOOD DR, SUITE 301
AUSTIN, TX 78746
Social Worker (Clinical)
2525 WALLINGWOOD DR, #124
AUSTIN, TX 78746
Counselor (Professional)
2525 WALLINGWOOD DR, BLDG. 3, SUITE 301
AUSTIN, TX 78746
Social Worker (Clinical)
2525 WALLINGWOOD DR, SUITE 900
AUSTIN, TX 78746
Marriage & Family Therapist
2525 WALLINGWOOD DR, SUITE NUMBER 700
AUSTIN, TX 78746
Occupational Therapist
2525 WALLINGWOOD DR, BLDG 9, SUITE 901
AUSTIN, TX 78746

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518894799, enumerated as an "individual" on May 04, 2026.

The provider is located at 2525 WALLINGWOOD DR AUSTIN, TX 78746 and the phone number is (512) 501-6200.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.