JOSEPH TRISTAN NAPIZA OCONER M.D.
NPI 1942400858
Family Medicine in Lebanon, OR
About Joseph Tristan Napiza Oconer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH TRISTAN NAPIZA OCONER M.D. (NPI 1942400858) is an individual family medicine provider in Lebanon, Oregon, licensed in Oregon (MD158088) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Salem Hospital, and maintains a secondary practice location in Little Rock.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joseph Tristan Napiza Oconer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
12Medicare enrollment records show Joseph Tristan Oconer reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lebanon, OR 97355
- Reassigned Medicare billing, Oregon enrollment
- 416 clinicians in this Medicare group
Albany, OR 97322
- Reassigned Medicare billing, Oregon enrollment
- 432 clinicians in this Medicare group
Albany, OR 97321
- Reassigned Medicare billing, Oregon enrollment
- 522 clinicians in this Medicare group
Stayton, OR 97383
- Reassigned Medicare billing, Oregon enrollment
- 152 clinicians in this Medicare group
Salem, OR 97317
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 clinicians in this Medicare group
Salem, OR 97301
- Reassigned Medicare billing, Oregon enrollment
- 625 clinicians in this Medicare group
Toledo, OR 97391
- Reassigned Medicare billing, Oregon enrollment
- 332 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 676 clinicians in this Medicare group
Hermiston, OR 97838
- Reassigned Medicare billing, Oregon enrollment
- 344 clinicians in this Medicare group
Johnstown, CO 80534
- Reassigned Medicare billing, Oregon enrollment
- 57 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Salem Hospital
Acute Care Hospitals · Salem, ORSantiam Hospital
Acute Care Hospitals · Stayton, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joseph Tristan Oconer's NPI number?
The NPI number for Joseph Tristan Oconer is 1942400858. It was assigned to this individual provider in the NPPES registry on July 19, 2007.
Where is Joseph Tristan Oconer located?
Joseph Tristan Oconer practices at 525 N Santiam Hwy, Lebanon, OR 97355. The listed phone number is (541) 258-2101.
What is Joseph Tristan Oconer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Joseph Tristan Oconer enrolled in Medicare?
Yes. Joseph Tristan Oconer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Joseph Tristan Oconer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Tristan Oconer reassigns Medicare benefits to 12 organizations: Mid-Valley Healthcare, Inc. (Lebanon, OR), Albany General Hospital (Albany, OR), Good Samaritan Hospital Corvallis (Albany, OR), Santiam Memorial Hospital (Stayton, OR), South Salem Rehabilitation, LLC (Salem, OR) and 7 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Tristan Oconer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Tristan Oconer accept?
Health plans from PacificSource Health Plans list Joseph Tristan Oconer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Joseph Tristan Oconer affiliated with any hospitals?
According to CMS data, Joseph Tristan Oconer is affiliated with Salem Hospital and Santiam Hospital.
When was this NPI record last updated?
The NPPES record for Joseph Tristan Oconer was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Joseph Tristan Napiza Oconer, M.D. · NPI 1942400858
Family Medicine physician in Lebanon, Oregon. Individual provider, active in the CMS NPPES registry since July 19, 2007.
## Identity
- **NPI:** 1942400858 (Entity type: Individual)
- **Enumerated:** July 19, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD158088 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 525 N SANTIAM HWY, Lebanon, OR 97355-4363
- **Phone:** (541) 258-2101
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): Mid-Valley Healthcare, Inc. (NPI 1396005641, Lebanon, OR); Albany General Hospital (NPI 1851628648, Albany, OR); Good Samaritan Hospital Corvallis (NPI 1023376654, Albany, OR); Santiam Memorial Hospital (NPI 1801787171, Stayton, OR); South Salem Rehabilitation, LLC (NPI 1215071998, Salem, OR); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** June 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1942400858) · Data from the CMS NPPES public registry.