Terence Mah, D.D.S., M.S.
Endodontics · Olympia, WA
Terence Mah, D.D.S., M.S. is an endodontics with a practice address in Olympia, Washington, and NPI 1912025420, issued on Mar 26, 2007. Check the license (Washington DE00009219, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Terence Mah
- Credential
- D.D.S., M.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- DE00009219 WA
Self-reported in NPPES; status is on the state search - Practice location
- 208 Lilly RD NE, Olympia, WA 98506
- Phone
- (360) 491-6945
- Enumerated
- Mar 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest endodontics records → All 224 in Washington → Look up another NPI →
Also registered at 208 Lilly RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Hess, C. PED.Pedorthist1407120611
- Rajnish Rohila, D.D.S.Endodontics1457490096
- Edwin Tripp, D.D.S.Endodontics1245452416
Verify Terence Mah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license DE00009219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average endodontics in 2024
122 Medicare Part D claims for 96 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.
Most prescribed
- Amoxicillin69 claims
- Cephalexin17 claims
- Clindamycin Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Terence Mah among 224 endodontics records in Washington
Terence Mah, D.D.S., M.S. is one of 224 endodontics records with a practice address in Washington. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 38% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Washington
There are 224 endodontics records in Washington.
All 224 in Washington → Every provider in Olympia → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Michael Behnen, DDSOlympia, WA 985061770813693
- Albert Goerig, BS,DDS,MSOlympia, WA 985061477675007
- David Goerig, DDSOlympia, WA 985061396079141
- Rajnish Rohila, D.D.S.Olympia, WA 985061457490096
- Edwin Tripp, D.D.S.Olympia, WA 985061245452416
- Ahmad Oubaid, DMDLacey, WA 985031194487959
- Thomas Hooks, DDSOlympia, WA 985011851467633
- Garry Myers, DDSOlympia, WA 985011336243781
Common questions
What is Terence Mah, D.D.S., M.S.'s NPI number?
Terence Mah, D.D.S., M.S.'s National Provider Identifier (NPI) is 1912025420, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Terence Mah, D.D.S., M.S. located?
The NPPES record lists a practice address at 208 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 491-6945. Providers update this record themselves, so call before visiting.
How can I verify Terence Mah, D.D.S., M.S.'s license?
NPPES lists Washington license number DE00009219, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Terence Mah, D.D.S., M.S. prescribe under Medicare Part D?
In 2024, Terence Mah, D.D.S., M.S. had 122 Medicare Part D claims for 96 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.