DR. WILLIAM JOHN JAY GREENWOOD DMD
NPI 1720179484
Dentist - General Practice in Tacoma, WA
NPI Status: Active since September 27, 2006
Contact Information
BLDG 9900, 2ND FLOOR, LINCOLN STREET
U.S. ARMY DENTAL ACTIVITY - FORT LEWIS
TACOMA, WA
ZIP 98431
Phone: (253) 968-4039
Fax: (253) 968-5919
- Individual
- Male
- Dentist
- General Practice
About WILLIAM GREENWOOD
This page provides the complete NPI Profile along with additional information for William Greenwood, a provider established in Tacoma, Washington with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1720179484 assigned on September 2006. The practitioner's primary taxonomy code is 1223G0001X. The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1720179484
- Provider Name
- DR. WILLIAM JOHN JAY GREENWOOD DMD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- BLDG 9900, 2ND FLOOR, LINCOLN STREET U.S. ARMY DENTAL ACTIVITY - FORT LEWIS TACOMA, WA 98431
- Location Phone
- (253) 968-4039
- Location Fax
- (253) 968-5919
- Mailing Address
- BLDG 9900, 2ND FLOOR, LINCOLN STREET U.S. ARMY DENTAL ACTIVITY - FORT LEWIS TACOMA, WA 98431
- Mailing Phone
- (253) 968-4039
- Mailing Fax
- (253) 968-5919
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-27-2006
- Last Update Date
- 07-08-2007
- Code Navigator
A dentist like William Greenwood is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
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
Dentist General Practice
- Taxonomy Code
- 1223G0001X
- Type
- Dental Providers
- License State
- IL
- Taxonomy Description
- A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
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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 1720179484, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 66 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720179484, enumerated as an "individual" on September 27, 2006.
The provider is located at BLDG 9900, 2ND FLOOR, LINCOLN STREET U.S. ARMY DENTAL ACTIVITY - FORT LEWIS TACOMA, WA 98431 and the phone number is (253) 968-4039.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
