Joseph Tristan Napiza Oconer, M.D.
Family Medicine Physician · Lebanon, OR
Joseph Tristan Napiza Oconer, M.D. is a family medicine physician with a practice address in Lebanon, Oregon, and NPI 1942400858, issued on Jul 19, 2007. Check the license (Oregon MD158088, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Tristan Napiza Oconer
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD158088 OR
Self-reported in NPPES; status is on the state search - Practice location
- 525 N Santiam Hwy, Lebanon, OR 97355
- Phone
- (541) 258-2101
- Enumerated
- Jul 19, 2007
- Record last updated
- Jun 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20130531000053); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 525 N Santiam Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Tristan Napiza Oconer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD158088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
104 Medicare Part D claims for 48 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 3 group practices
- Kaiser Foundation Health Plan OF The NorthwestSalem, OR
- Salem HealthSalem, OR
- Santiam Memorial HospitalStayton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Tristan Napiza Oconer among 2,847 family medicine physician records in Oregon
Joseph Tristan Napiza Oconer, M.D. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2002 · median 2009 among the 1,671 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family medicine physician records list a practice address in Lebanon
They are 37 of the 612 NPPES records with a practice address in Lebanon, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Lebanon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Alley, M.D.Lebanon, OR 973551760511844
- Marylou Belozer, M.D.Lebanon, OR 973551356380208
- Janice Blumer, D.O.Lebanon, OR 973551427157932
- Robyn Dreibelbis, DOLebanon, OR 973551679581680
- Richard Evans, M.D.Lebanon, OR 973551730115551
- Patricia Harding, MDLebanon, OR 973551073760757
- John Hein, M.D.Lebanon, OR 973551265429088
- Janine Hein, M.D.Lebanon, OR 973551730176546
Common questions
What is Joseph Tristan Napiza Oconer, M.D.'s NPI number?
Joseph Tristan Napiza Oconer, M.D.'s National Provider Identifier (NPI) is 1942400858, issued on Jul 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Tristan Napiza Oconer, M.D. located?
The NPPES record lists a practice address at 525 N Santiam Hwy, Lebanon, OR, 97355. Phone: (541) 258-2101. Providers update this record themselves, so call before visiting.
How can I verify Joseph Tristan Napiza Oconer, M.D.'s license?
NPPES lists Oregon license number MD158088, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Tristan Napiza Oconer, M.D. prescribe under Medicare Part D?
In 2024, Joseph Tristan Napiza Oconer, M.D. had 104 Medicare Part D claims for 48 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.