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Internal Medicine

Brian A. Rainka, MD

Works at hospitals in Tualatin, OR · Silverton, OR · Oregon

Summary

Brian A. Rainka, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Tualatin, OR and Silverton, OR. NPI 1407075534. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Brian A. Rainka, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Legacy Clinics LLCGroup practice

Quick answers

Which hospitals does Brian A. Rainka work at?
Medicare's official clinician data lists Brian A. Rainka at 2 hospitals: Legacy Meridian Park Medical Center and Legacy Silverton Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian A. Rainka see patients?
Medicare's clinician data lists 2 practice locations, including Portland, OR. Call before your visit to confirm the address.
What is Brian A. Rainka's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Brian A. Rainka accept Medicare assignment?
Yes. Medicare's clinician data says Brian A. Rainka accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Brian A. Rainka?
(503) 413-8988, as listed in official Medicare / NPI Registry data.
What is Brian A. Rainka's NPI number?
1407075534. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brian A. Rainka works

Medicare's Facility Affiliation Data lists Brian A. Rainka at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Brian A. Rainka is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Brian A. Rainka as a member of this group (CMS data updated 2026-10-02).

  • Legacy Clinics LLC713 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

All internal medicine doctors in Portland →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407075534
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians