Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Heather M. Motonaga, MD

Sees patients in Clackamas, OR · Portland, OR · Oregon

Summary

Dr. Heather M. Motonaga, MD is an internal medicine doctor at 10100 SE Sunnyside Rd, Clackamas, OR 97015. Phone: (800) 813-2000. Accepts Medicare assignment. NPI 1104143106. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 10100 SE Sunnyside Rd, Clackamas, OR 97015 · Directions (3 more locations)
  • Phone: (800) 813‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Northwest
  • Medical school: graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Heather M. Motonaga, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Heather M. Motonaga accept Medicare assignment?
Yes. Medicare's clinician data says Heather M. Motonaga accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Heather M. Motonaga's NPI number?
1104143106. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Heather M. Motonaga is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Heather M. Motonaga as a member of this group (CMS data updated October 2, 2026).

  • Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Clackamas

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

All internal medicine doctors in Clackamas →

Other clinicians in Kaiser Foundation Health Plan of the Northwest

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104143106
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians