TOOKATA N. STEITZER ARNP
NPI 1124982590
Nurse Practitioner - Family in Seattle, WA

NPI Status: Active since December 10, 2025

Contact Information

500 5TH AVE
SEATTLE, WA
ZIP 98104
Phone: (206) 477-6307

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About TOOKATA STEITZER

This page provides the complete NPI Profile along with additional information for Tookata Steitzer, a provider established in Seattle, Washington with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1124982590 assigned on December 2025. The practitioner's primary taxonomy code is 363LF0000X with license number F12250133 (WA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1124982590
Provider Name
TOOKATA N. STEITZER ARNP
Gender
Female
Entity Type
Individual
Location Address
500 5TH AVE SEATTLE, WA 98104
Location Phone
(206) 477-6307
Mailing Address
500 5TH AVE SEATTLE, WA 98104
Mailing Phone
(206) 477-6307
Is Sole Proprietor?
Yes
Enumeration Date
12-10-2025
Last Update Date
12-10-2025
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A nurse practitioner (NP) like Tookata Steitzer 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
F12250133
License State
WA

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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 1124982590, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 8 + 8 + 4 + 5 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1124982590.

Other Providers at the Same Location


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

Nurse Practitioner (Adult Health)
500 5TH AVE
SEATTLE, WA 98104
Pharmacist
500 5TH AVE
SEATTLE, WA 98104
Nurse Practitioner (Women's Health)
500 5TH AVE
SEATTLE, WA 98104
Psychiatry & Neurology (Forensic Psychiatry)
500 5TH AVE, JAIL HEALTH SERVICES 6W
SEATTLE, WA 98104
Counselor (Mental Health)
500 5TH AVE, MS KCF-PH-0600
SEATTLE, WA 98104
Counselor (Professional)
500 5TH AVE
SEATTLE, WA 98104
Family Medicine
500 5TH AVE
SEATTLE, WA 98104
Dentist
500 5TH AVE, 6W
SEATTLE, WA 98104
Counselor (Mental Health)
500 5TH AVE
SEATTLE, WA 98104
Psychologist (Clinical)
500 5TH AVE, 6W
SEATTLE, WA 98104
Counselor (Mental Health)
500 5TH AVE
SEATTLE, WA 98104
Community/Behavioral Health
500 5TH AVE
SEATTLE, WA 98104
Counselor (Mental Health)
500 5TH AVE
SEATTLE, WA 98104
Registered Nurse (Occupational Health)
500 5TH AVE, MAILSTOP KCJ-PH-0600
SEATTLE, WA 98104
Psychiatry & Neurology (Geriatric Psychiatry)
500 5TH AVE
SEATTLE, WA 98104
Nurse Practitioner (Adult Health)
500 5TH AVE
SEATTLE, WA 98104
Counselor (Addiction (Substance Use Disorder))
500 5TH AVE
SEATTLE, WA 98104
Nurse Practitioner (Family)
500 5TH AVE
SEATTLE, WA 98104
Counselor (Mental Health)
500 5TH AVE
SEATTLE, WA 98104
Counselor (Mental Health)
500 5TH AVE
SEATTLE, WA 98104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124982590, enumerated as an "individual" on December 10, 2025.

The provider is located at 500 5TH AVE SEATTLE, WA 98104 and the phone number is (206) 477-6307.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.