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Arthur Louis Tomaszewski, DDS

Arthur Louis Tomaszewski is a General Practice Dentistry provider (Dentist) practicing in Santa Rosa, CA, registered in the NPPES registry with NPI 1790805596 since 2007. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1790805596
Entity type Individual (Type 1)
Name Arthur Louis Tomaszewski
Credential DDS
Sex Male
Practice address Santa Rosa, CA, 95401
Phone 7075445700
Fax 7075445652
Enumeration date 2007-03-29
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 41136 CA

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details
Provider: Arthur Tomaszewski, DDS
NPI: 1790805596
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Santa Rosa, CA, 95401

Other providers at this practice address

NPI Name Type Specialty Location
1326236449 New Directions Medical Center Inc Organization Pain Medicine Physician Santa Rosa, CA
1003084799 Brian Moore Individual Chiropractor Santa Rosa, CA
1679744429 North Bay Pain Care Organization Pain Medicine (Anesthesiology) Physician Santa Rosa, CA

Verify this record

Cross-check NPI 1790805596 against the authoritative CMS record: view Arthur Louis Tomaszewski on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What specialty is Arthur Tomaszewski?
Arthur Tomaszewski is registered in NPPES with the primary taxonomy of General Practice Dentistry. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.