John Thomas Oki, DMD
Dentist · Portland, OR
John Thomas Oki, DMD is a dentist with a practice address in Portland, Oregon, and NPI 1821059684, issued on Mar 31, 2006. Check the license (Oregon D7017, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Thomas Oki
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- D7017 OR
Self-reported in NPPES; status is on the state search - Practice location
- 6319 SW Powell Blvd, Portland, OR 97206
- Phone
- (503) 772-3677
- Enumerated
- Mar 31, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (503) 772-3655
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,246 in Oregon → Look up another NPI →
Verify John Thomas Oki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D7017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average dentist in 2024
109 Medicare Part D claims for 59 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Fluoridex79 claims
- Amoxicillin16 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.
John Thomas Oki among 1,246 dentist records in Oregon
John Thomas Oki, DMD is one of 1,246 dentist records with a practice address in Oregon. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 75% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Oregon
There are 1,246 dentist records in Oregon.
All 1,246 in Oregon → Every provider in Portland → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Anna Knecht, DMD PCPortland, OR 972061891705117
- Sarah Mazareei, DMDPortland, OR 972061457685869
- Jennifer Navis, D.D.S.Portland, OR 972061619317971
- Alexander Rudnitski, DMDPortland, OR 972061598202996
- Linh VuongPortland, OR 972061134088032
- Kirk Christianson, D.M.D.Portland, OR 972051568585594
- Ellen Ciobanasiu, DMDPortland, OR 972051821857293
- John Colasurdo, DMDPortland, OR 972051427150341
Common questions
What is John Thomas Oki, DMD's NPI number?
John Thomas Oki, DMD's National Provider Identifier (NPI) is 1821059684, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Oki, DMD located?
The NPPES record lists a practice address at 6319 SW Powell Blvd, Portland, OR, 97206. Phone: (503) 772-3677. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Oki, DMD's license?
NPPES lists Oregon license number D7017, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John Thomas Oki, DMD prescribe under Medicare Part D?
In 2024, John Thomas Oki, DMD had 109 Medicare Part D claims for 59 beneficiaries; the average among dentist prescribers was 86. 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.