Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Thomas A Harris, DDS
Dentist in Palatine, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215000351
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Thomas A Harris
Credential DDS
Sex Male
Practice address 222 N Plum Grove Rd, Palatine, IL, 60067
Phone (847) 359-4700
Fax (847) 359-9977
Enumeration date Nov 16, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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.
Frequently asked questions
Where does Thomas Harris practice?
The practice location on file with NPPES is in Palatine, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thomas Harris?
The National Provider Identifier (NPI) for Thomas Harris is 1215000351, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Plum Grove Dental Associates Periodontics · Palatine, IL NPI 1790854818 John Sylwestrak Dentist · Palatine, IL NPI 1619046752 Frank Bernero Dentist · Palatine, IL NPI 1881767929 Michelle Luke Dentist · Palatine, IL NPI 1679646657 Gail Vittori Periodontics · Palatine, IL NPI 1588737563 Thomas Tax Dentist · Palatine, IL NPI 1447327309 Chad Mueller General Practice Dentistry · Palatine, IL NPI 1215106646 Grant Trunnell General Practice Dentistry · Palatine, IL NPI 1679861512
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.