SYDNEY MERRIN RN
NPI 1770409419
Registered Nurse in Seattle, WA

NPI Status: Active since June 26, 2026

Contact Information

908 JEFFERSON ST
SEATTLE, WA
ZIP 98104
Phone: (206) 520-5000
Fax: (206) 744-6985

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  • Individual
  • Female
  • Registered Nurse

About SYDNEY MERRIN

This page provides the complete NPI Profile along with additional information for Sydney Merrin, a provider established in Seattle, Washington with a medical specialization in Registered Nurse. The healthcare provider is registered in the NPI registry with number 1770409419 assigned on June 2026. The practitioner's primary taxonomy code is 163W00000X with license number RN.70084126 (WA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1770409419
Provider Name
SYDNEY MERRIN RN
Gender
Female
Entity Type
Individual
Location Address
908 JEFFERSON ST SEATTLE, WA 98104
Location Phone
(206) 520-5000
Location Fax
(206) 744-6985
Mailing Address
908 JEFFERSON ST SEATTLE, WA 98104
Mailing Phone
(206) 520-5000
Mailing Fax
(206) 744-6985
Is Sole Proprietor?
No
Enumeration Date
06-26-2026
Last Update Date
06-26-2026

A registered nurse (RN) like Sydney Merrin 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.

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

Registered Nurse

Taxonomy Code
163W00000X
Type
Nursing Service Providers
License No.
RN.70084126
License State
WA
Taxonomy Description
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

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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 1770409419, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
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 7 → 14 → 5 4 → 8 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 8 + 0 + 1 + 8 + 4 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1770409419.

Other Providers at the Same Location


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

Physical Medicine & Rehabilitation
908 JEFFERSON ST
SEATTLE, WA 98104
Clinical Neuropsychologist
908 JEFFERSON ST
SEATTLE, WA 98104
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
908 JEFFERSON ST
SEATTLE, WA 98104
Orthopaedic Surgery (Foot and Ankle Surgery)
908 JEFFERSON ST, BOX 359799
SEATTLE, WA 98104
Nurse Practitioner (Family)
908 JEFFERSON ST
SEATTLE, WA 98104
Podiatrist
908 JEFFERSON ST
SEATTLE, WA 98104
Pharmacist
908 JEFFERSON ST
SEATTLE, WA 98104
Physical Medicine & Rehabilitation
908 JEFFERSON ST
SEATTLE, WA 98104
Neurological Surgery
908 JEFFERSON ST, BOX 359766
SEATTLE, WA 98104
Physician Assistant
908 JEFFERSON ST
SEATTLE, WA 98104
Ophthalmology
908 JEFFERSON ST
SEATTLE, WA 98104
Optometrist
908 JEFFERSON ST, SUITE 101
SEATTLE, WA 98104
Anesthesiology
908 JEFFERSON ST, BOX 359724
SEATTLE, WA 98104
Ophthalmology
908 JEFFERSON ST, 7TH FLOOR
SEATTLE, WA 98104
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
908 JEFFERSON ST, BOX 359721
SEATTLE, WA 98104
Internal Medicine (Sleep Medicine)
908 JEFFERSON ST, SUITE 400
SEATTLE, WA 98104
Nurse Practitioner
908 JEFFERSON ST
SEATTLE, WA 98104
Orthopaedic Surgery (Hand Surgery)
908 JEFFERSON ST, HMC HAND SURGERY CLINIC
SEATTLE, WA 98104
Occupational Therapist (Hand)
908 JEFFERSON ST, PHYSICAL AND HAND THERAPY CLINIC
SEATTLE, WA 98104
Neurological Surgery
908 JEFFERSON ST
SEATTLE, WA 98104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770409419, enumerated as an "individual" on June 26, 2026.

The provider is located at 908 JEFFERSON ST SEATTLE, WA 98104 and the phone number is (206) 520-5000.

Registered Nurse with taxonomy code 163W00000X.