GRANT ADDISON JESSUP RRT-NPS
NPI 1063209096
Respiratory Therapist, Registered - Neonatal/Pediatrics in Seattle, WA

NPI Status: Active since April 23, 2025

Contact Information

1959 NE PACIFIC ST MAIN HOSPITAL
SEATTLE, WA
ZIP 98195
Phone: (206) 598-9105

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Respiratory Therapist, Registered
Neonatal/Pediatrics

About GRANT JESSUP

This page provides the complete NPI Profile along with additional information for Grant Jessup, a provider established in Seattle, Washington with a medical specialization in Respiratory Therapist, Registered, focusing in neonatal/pediatrics . The healthcare provider is registered in the NPI registry with number 1063209096 assigned on April 2025. The practitioner's primary taxonomy code is 2279P3900X with license number LR61310583 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1063209096
Provider Name: GRANT ADDISON JESSUP RRT-NPS
Gender: Male
Entity Type: Individual
Location Address: 1959 NE PACIFIC ST MAIN HOSPITAL SEATTLE, WA 98195
Location Phone: (206) 598-9105
Mailing Address: 1959 NE PACIFIC ST MAIN HOSPITAL SEATTLE, WA 98195
Mailing Phone: (206) 598-9105
Is Sole Proprietor?: No
Enumeration Date: 04-23-2025
Last Update Date: 04-23-2025
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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: Respiratory Therapist, Registered Neonatal/Pediatrics
Taxonomy Code: 2279P3900X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: LR61310583
License State: WA
Taxonomy Description: A registered respiratory therapist that provides care and treatment of premature infants, newborns and children. This includes management of mechanical ventilation, assessment, diagnostics and generalized respiratory treatments.

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 1063209096, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 4

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 2 → 4 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 2 + 3 + 4 + 0 + 1 + 8 + 0 + 1 + 8 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1063209096.