TESFAYE GEBREYOHANNES I
NPI 1598648099
Registered Nurse - Psychiatric/Mental Health in Seattle, WA

NPI Status: Active since July 30, 2025

Contact Information

325 9TH AVE
SEATTLE, WA
ZIP 98104
Phone: (206) 744-5856

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  • Individual
  • Male
  • Registered Nurse
  • Psychiatric/Mental Health

About TESFAYE GEBREYOHANNES

This page provides the complete NPI Profile along with additional information for Tesfaye Gebreyohannes, a provider established in Seattle, Washington with a medical specialization in Registered Nurse, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1598648099 assigned on July 2025. The practitioner's primary taxonomy code is 163WP0808X with license number RN60618180 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1598648099
Provider Name
TESFAYE GEBREYOHANNES I
Gender
Male
Entity Type
Individual
Location Address
325 9TH AVE SEATTLE, WA 98104
Location Phone
(206) 744-5856
Mailing Address
2009 N 154TH PL SHORELINE, WA 98133
Mailing Phone
(206) 407-8226
Is Sole Proprietor?
No
Enumeration Date
07-30-2025
Last Update Date
07-30-2025
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A registered nurse (RN) like Tesfaye Gebreyohannes coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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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

Registered Nurse Psychiatric/Mental Health

Taxonomy Code
163WP0808X
Type
Nursing Service Providers
License No.
RN60618180
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 1598648099, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
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 9 → 18 → 9 6 → 12 → 3 8 → 16 → 7 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 + 1 + 8 + 8 + 1 + 2 + 4 + 1 + 6 + 0 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1598648099.

Other Providers at the Same Location


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

Pharmacist
325 9TH AVE, BOX 359885
SEATTLE, WA 98104
Emergency Medicine
325 9TH AVE
SEATTLE, WA 98104
Pediatrics (Adolescent Medicine)
325 9TH AVE, BOX 359774
SEATTLE, WA 98104
Internal Medicine (Nephrology)
325 9TH AVE
SEATTLE, WA 98104
Pharmacist (Pharmacotherapy)
325 9TH AVE, HMC PHARMACY MAILSTOP 359912
SEATTLE, WA 98104
Obstetrics & Gynecology
325 9TH AVE
SEATTLE, WA 98104
Surgery (Vascular Surgery)
325 9TH AVE, DIVISION OF VASCULAR SURGERY
SEATTLE, WA 98104
Anesthesiology (Pain Medicine)
325 9TH AVE
SEATTLE, WA 98104
Nurse Practitioner
325 9TH AVE
SEATTLE, WA 98104
Pharmacist
325 9TH AVE
SEATTLE, WA 98104
Radiology (Diagnostic Radiology)
325 9TH AVE
SEATTLE, WA 98104
Pharmacist
325 9TH AVE
SEATTLE, WA 98104
Emergency Medicine
325 9TH AVE
SEATTLE, WA 98104
Pharmacist
325 9TH AVE
SEATTLE, WA 98104
Pharmacist
325 9TH AVE, BOX #359930
SEATTLE, WA 98104
Pharmacist (Pharmacotherapy)
325 9TH AVE
SEATTLE, WA 98104
Pharmacist
325 9TH AVE
SEATTLE, WA 98104
Nurse Practitioner (Family)
325 9TH AVE
SEATTLE, WA 98104
Nurse Practitioner (Family)
325 9TH AVE
SEATTLE, WA 98104
Pharmacist (Pharmacotherapy)
325 9TH AVE, BOX 359912
SEATTLE, WA 98104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598648099, enumerated as an "individual" on July 30, 2025.

The provider is located at 325 9TH AVE SEATTLE, WA 98104 and the phone number is (206) 744-5856.

Registered Nurse with taxonomy code 163WP0808X and a focus in Psychiatric/Mental Health.