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Pulmonary Disease

Susan L. Mikkelsen, MD

Works at hospitals in Hillsboro, OR · Clackamas, OR · Oregon

Summary

Dr. Susan L. Mikkelsen, MD is a pulmonologist at 10100 SE Sunnyside Rd, Clackamas, OR 97015. Phone: (800) 813-2000. Accepts Medicare assignment. In 2024, Susan L. Mikkelsen had 22 Original Medicare patients and 41 services. NPI 1538274048. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pulmonologist (Medicare lists Pulmonary Disease)
  • Address: 10100 SE Sunnyside Rd, Clackamas, OR 97015 · Directions (2 more locations)
  • Phone: (800) 813‑2000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kaiser Foundation Hospital Westside, Kaiser Sunnyside Medical Center
  • Group practice: Kaiser Foundation Health Plan of the Northwest
  • Medical school: University Of Iowa, Rj & L Carver College Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Susan L. Mikkelsen, 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 Susan L. Mikkelsen accept Medicare assignment?
Yes. Medicare's clinician data says Susan L. Mikkelsen 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.
How many Medicare patients does Susan L. Mikkelsen see?
In 2024, CMS data shows 22 Original Medicare patients and 41 services for Susan L. Mikkelsen. This counts Original Medicare only and measures volume, not quality.
What is Susan L. Mikkelsen's NPI number?
1538274048. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Susan L. Mikkelsen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients22
Services billed to Medicare41
Different services or procedures16
Participating Medicare providerYes
Average age of these patients68

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure68%
  • High cholesterol59%
  • COPD59%

Hospitals where Susan L. Mikkelsen works

Medicare's Facility Affiliation Data lists Susan L. Mikkelsen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Susan L. Mikkelsen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Susan L. Mikkelsen 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 Pulmonary Disease doctors in Oregon →

Other pulmonologists in Clackamas

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

All pulmonologists 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
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538274048
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians