THOMAS P SWEENEY DDS PS
NPI 1912845348
Dentist - General Practice in Seattle, WA
NPI Status: Active since March 24, 2026
Contact Information
701 5TH AVE STE 4660
SEATTLE, WA
ZIP 98104
Phone: (206) 682-8200
- Organization
- Dentist
- General Practice
About THOMAS P SWEENEY DDS PS
This page provides the complete NPI Profile along with additional information for Thomas P Sweeney Dds Ps, a provider established in Seattle, Washington operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1912845348 assigned on March 2026. The practitioner's primary taxonomy code is 1223G0001X. The provider is registered as an organization and their NPI record was last updated March 2026. Thomas P Sweeney Dds Ps operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Thomas Patrick Sweeney Dds (Ceo)
- NPI
- 1912845348
- Provider Name
- THOMAS P SWEENEY DDS PS
- Entity Type
- Organization
- Location Address
- 701 5TH AVE STE 4660 SEATTLE, WA 98104
- Location Phone
- (206) 682-8200
- Mailing Address
- 701 5TH AVE STE 4660 SEATTLE, WA 98104
- Mailing Phone
- (206) 682-8200
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 03-24-2026
- Last Update Date
- 03-24-2026
- Code Navigator
A dentist like Thomas P Sweeney Dds Ps 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
- 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.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1912845348, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1912845348, enumerated as an "organization" on March 24, 2026.
The provider is located at 701 5TH AVE STE 4660 SEATTLE, WA 98104 and the phone number is (206) 682-8200.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
