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Cardiovascular Disease (Cardiology)

Walter P. Robertson, MD

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

Summary

Dr. Walter P. Robertson, MD is a cardiologist at 10100 SE Sunnyside Rd, Clackamas, OR 97015. Phone: (800) 813-2000. Accepts Medicare assignment. In 2024, Walter P. Robertson had 109 Original Medicare patients and 127 services. NPI 1013071042. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 10100 SE Sunnyside Rd, Clackamas, OR 97015 · Directions (3 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: Tulane University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Walter P. Robertson, 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 Walter P. Robertson accept Medicare assignment?
Yes. Medicare's clinician data says Walter P. Robertson 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 Walter P. Robertson see?
In 2024, CMS data shows 109 Original Medicare patients and 127 services for Walter P. Robertson. This counts Original Medicare only and measures volume, not quality.
What is Walter P. Robertson's NPI number?
1013071042. 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 Walter P. Robertson, 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 patients109
Services billed to Medicare127
Different services or procedures18
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)71 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)16 services

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 pressure75%
  • High cholesterol65%
  • Diabetes47%
  • Heart failure43%
  • Depression39%
  • Chronic kidney disease39%

Hospitals where Walter P. Robertson works

Medicare's Facility Affiliation Data lists Walter P. Robertson 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 Walter P. Robertson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Walter P. Robertson 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 Cardiovascular Disease (Cardiology) doctors in Oregon →

Other cardiologists in Clackamas

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

All cardiologists 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 schoolTulane University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013071042
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