Mark Houston, DMD
Endodontics · Tigard, OR
Mark Houston, DMD is an endodontics with a practice address in Tigard, Oregon, and NPI 1801312145, issued on Aug 18, 2017. Check the license (Oregon D12142, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Houston
- Credential
- DMD
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- D12142 OR
Self-reported in NPPES; status is on the state search - Practice location
- 7275 SW Dartmouth St Ste 180, Tigard, OR 97223
- Phone
- (503) 620-2319
- Enumerated
- Aug 18, 2017
- Record last updated
- Jul 5, 2025
- Entity
- Type 1 · individual
8 nearest endodontics records → All 113 in Oregon → Look up another NPI →
Also registered at 7275 SW Dartmouth St Ste 180
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phyu Phyu Tun, DDSGeneral Practice Dentistry1922762764
Verify Mark Houston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D12142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average endodontics in 2024
35 Medicare Part D claims for 33 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.
Most prescribed
- Amoxicillin24 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.
Industry payments in 2024: $136.78
4 payments; by number, the most common kind was food and beverage; the largest payer was Sonendo Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Houston among 113 endodontics records in Oregon
Mark Houston, DMD is one of 113 endodontics records with a practice address in Oregon. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2025 · 69% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Oregon
There are 113 endodontics records in Oregon.
All 113 in Oregon → Every provider in Tigard → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Thomas Barrett, D.M.D., M.S.Portland, OR 972231194726885
- Scott Barry, DMDTigard, OR 972231811939036
- Hujatullah Bayat, DDSTigard, OR 972231124411541
- Christian Kecht, DDSTigard, OR 972231174889299
- Gregory Reams, DMDTigard, OR 972231225049943
- Ashish Bhandari, DMDMilwaukie, OR 972221225608342
- Geoffrey Clive, D.D.S.Milwaukie, OR 972221932586856
- Terry Isom, DMDPortland, OR 972221619973070
Common questions
What is Mark Houston, DMD's NPI number?
Mark Houston, DMD's National Provider Identifier (NPI) is 1801312145, issued on Aug 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mark Houston, DMD located?
The NPPES record lists a practice address at 7275 SW Dartmouth St Ste 180, Tigard, OR, 97223. Phone: (503) 620-2319. Providers update this record themselves, so call before visiting.
How can I verify Mark Houston, DMD's license?
NPPES lists Oregon license number D12142, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Houston, DMD prescribe under Medicare Part D?
In 2024, Mark Houston, DMD had 35 Medicare Part D claims for 33 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.