Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Alan Ellis, D.M.D.
Dentist in Chattanooga, TN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265426894
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark Alan Ellis
Credential D.M.D.
Sex Male
Practice address 951 Riverfront Pkwy, Suite 302, Chattanooga, TN, 37402
Phone (423) 805-7500
Fax (423) 805-7501
Enumeration date Sep 9, 2005
Last updated in NPPES Mar 6, 2014
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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
What is the NPI number for Mark Ellis?
The National Provider Identifier (NPI) for Mark Ellis is 1265426894, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Ellis practice?
The practice location on file with NPPES is in Chattanooga, TN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Chattanooga Periodontics & Dental Implants, PC Periodontics · Chattanooga, TN NPI 1063562460 Mcdaniel Orthodontics, P.C. Orthodontics and Dentofacial Orthopedics Dentistry · Chattanooga, TN NPI 1942510979 Elizabeth Randall Periodontics · Chattanooga, TN NPI 1891042461 Mark A. Ellis, Dmd, Pllc Dentist · Chattanooga, TN NPI 1538585161 Clark Dental Studio, Pllc General Practice Dentistry · Chattanooga, TN NPI 1336596196
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-06.