Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Terence Mah, D.D.S., M.S.
Endodontics in Olympia, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912025420
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Registry record
Entity type Individual (Type 1)
Name Terence Mah
Credential D.D.S., M.S.
Sex Male
Practice address 208 Lilly Rd Ne, Suite D, Olympia, WA, 98506
Phone (360) 491-6945
Enumeration date Mar 26, 2007
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
What is the NPI number for Terence Mah?
The National Provider Identifier (NPI) for Terence Mah is 1912025420, a Type 1 (individual) record in the CMS NPPES registry.
Where does Terence Mah practice?
The practice location on file with NPPES is in Olympia, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Rohila and Mah Pllc Endodontics · Olympia, WA NPI 1538208251 Rajnish Rohila Endodontics · Olympia, WA NPI 1457490096 Edwin Tripp Endodontics · Olympia, WA NPI 1245452416 Michael Davis Orthotic Fitter · Olympai, WA NPI 1619118106 Joyce Hess Pedorthist · Olympia, WA NPI 1407120611 Maughan Prosthetic & Orthotic South, Inc. Prosthetic/Orthotic Supplier · Olympia, WA NPI 1477805315
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.