DR. HANNAH CATHERINE ROOP M.D.
NPI 1902484843
Anesthesiology - Pain Medicine in Seattle, WA

NPI Status: Active since March 31, 2021

Contact Information

4225 ROOSEVELT WAY NE FL 4
SEATTLE, WA
ZIP 98105
Phone: (206) 598-4282

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

Individual
Female
Anesthesiology
Pain Medicine

About HANNAH ROOP

This page provides the complete NPI Profile along with additional information for Hannah Roop, a provider established in Seattle, Washington with a medical specialization in Anesthesiology, focusing in pain medicine . The healthcare provider is registered in the NPI registry with number 1902484843 assigned on March 2021. The practitioner's primary taxonomy code is 207LP2900X with license number 35.155254 (OH). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI: 1902484843
Provider Name: DR. HANNAH CATHERINE ROOP M.D.
Gender: Female
Entity Type: Individual
Location Address: 4225 ROOSEVELT WAY NE FL 4 SEATTLE, WA 98105
Location Phone: (206) 598-4282
Mailing Address: 4225 ROOSEVELT WAY NE FL 4 SEATTLE, WA 98105
Is Sole Proprietor?: No
Enumeration Date: 03-31-2021
Last Update Date: 02-13-2026
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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: Anesthesiology Pain Medicine
Taxonomy Code: 207LP2900X
Type: Allopathic & Osteopathic Physicians
License No.: 35.155254
License State: OH
Taxonomy Description: An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

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 1902484843, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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 → 0

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 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 0 → 0 4 → 8 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 8 + 8 + 8 + 8 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1902484843.