MR. GRADY E WOODWARD
NPI 1578481420
Specialist/Technologist, Other in Kirkland, WA

NPI Status: Active since July 08, 2026

Contact Information

12040 NE 128TH ST
KIRKLAND, WA
ZIP 98034
Phone: (425) 899-1329

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  • Individual
  • Male
  • Specialist/Technologist, Other

About GRADY WOODWARD

This page provides the complete NPI Profile along with additional information for Grady Woodward, a provider established in Kirkland, Washington with a medical specialization in Specialist/technologist, Other. The healthcare provider is registered in the NPI registry with number 1578481420 assigned on July 2026. The practitioner's primary taxonomy code is 246Z00000X with license number 6228 (WA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1578481420
Provider Name
MR. GRADY E WOODWARD
Gender
Male
Entity Type
Individual
Location Address
12040 NE 128TH ST KIRKLAND, WA 98034
Location Phone
(425) 899-1329
Mailing Address
8111 30TH AVE SW SEATTLE, WA 98126
Mailing Phone
(425) 899-1329
Is Sole Proprietor?
No
Enumeration Date
07-08-2026
Last Update Date
07-08-2026
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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

Specialist/Technologist, Other

Taxonomy Code
246Z00000X
Type
Technologists, Technicians & Other Technical Service Providers
License No.
6228
License State
WA
Taxonomy Description
General classification identifying individuals trained on specific equipment and technical procedures in one of a collection of miscellaneous healthcare disciplines.

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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 1578481420, 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
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
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 7 → 14 → 5 4 → 8 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 4 + 8 + 8 + 8 + 2 + 4 + 4 + 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 1578481420.

Other Providers at the Same Location


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

Obstetrics & Gynecology
12040 NE 128TH ST, MS 105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Anesthesiology
12040 NE 128TH ST, #69, EVERGREEN MEDICAL CENTER
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS #105
KIRKLAND, WA 98034
Radiology (Diagnostic Radiology)
12040 NE 128TH ST, EVERGREEN HOSPITAL MEDICAL CENTER
KIRKLAND, WA 98034
Pathology (Anatomic Pathology & Clinical Pathology)
12040 NE 128TH ST
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS 105
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS 105
KIRKLAND, WA 98034
Anesthesiology
12040 NE 128TH ST
KIRKLAND, WA 98034
Anesthesiology
12040 NE 128TH ST
KIRKLAND, WA 98034
Anesthesiology
12040 NE 128TH ST
KIRKLAND, WA 98034
Anesthesiology
12040 NE 128TH ST
KIRKLAND, WA 98034
Internal Medicine
12040 NE 128TH ST, MS 105
KIRKLAND, WA 98034
Anesthesiology
12040 NE 128TH ST
KIRKLAND, WA 98034

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578481420, enumerated as an "individual" on July 08, 2026.

The provider is located at 12040 NE 128TH ST KIRKLAND, WA 98034 and the phone number is (425) 899-1329.

Specialist/Technologist, Other with taxonomy code 246Z00000X.