SHAWN KENNETH GRIFFIN
NPI 1821894429
Oral & Maxillofacial Surgery in Seattle, WA

NPI Status: Active since February 24, 2025

Contact Information

1959 NE PACIFIC STREET; BOX 357134
SEATTLE, WA
ZIP 98195
Phone: (847) 624-2832

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  • Individual
  • Male
  • Oral & Maxillofacial Surgery

About SHAWN GRIFFIN

This page provides the complete NPI Profile along with additional information for Shawn Griffin, a provider established in Seattle, Washington with a medical specialization in Oral & Maxillofacial Surgery. The healthcare provider is registered in the NPI registry with number 1821894429 assigned on February 2025. The practitioner's primary taxonomy code is 204E00000X with license number DR61678975 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1821894429
Provider Name
SHAWN KENNETH GRIFFIN
Gender
Male
Entity Type
Individual
Location Address
1959 NE PACIFIC STREET; BOX 357134 SEATTLE, WA 98195
Location Phone
(847) 624-2832
Mailing Address
1959 NE PACIFIC STREET; BOX 357134 SEATTLE, WA 98195
Mailing Phone
(847) 624-2832
Is Sole Proprietor?
No
Enumeration Date
02-24-2025
Last Update Date
07-01-2025
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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

Oral & Maxillofacial Surgery

Taxonomy Code
204E00000X
Type
Allopathic & Osteopathic Physicians
License No.
DR61678975
License State
WA
Taxonomy Description
Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1821894429, 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 8 → 16 → 7 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 6 + 9 + 8 + 4 + 4 + 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 1821894429.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Dentist (General Practice)
1959 NE PACIFIC STREET; BOX 357134, UNIVERSITY OF WASHINGTON DEPARTMENT OF ORAL SURGERY
SEATTLE, WA 98195
Dentist
1959 NE PACIFIC STREET; BOX 357134, UNIVERSITY OF WASHINGTON DEPARTMENT OF ORAL SURGERY
SEATTLE, WA 98195
Oral & Maxillofacial Surgery
1959 NE PACIFIC STREET; BOX 357134
SEATTLE, WA 98195
Student in an Organized Health Care Education/Training Program
1959 NE PACIFIC STREET; BOX 357134
SEATTLE, WA 98195

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821894429, enumerated as an "individual" on February 24, 2025.

The provider is located at 1959 NE PACIFIC STREET; BOX 357134 SEATTLE, WA 98195 and the phone number is (847) 624-2832.

Oral & Maxillofacial Surgery with taxonomy code 204E00000X.