Quick answers
- Does Johannes K. Steiner accept Medicare assignment?
- Yes. Medicare's clinician data says Johannes K. Steiner 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 Johannes K. Steiner see?
- In 2024, CMS data shows 333 Original Medicare patients and 630 services for Johannes K. Steiner. This counts Original Medicare only and measures volume, not quality.
- What is Johannes K. Steiner's NPI number?
- 1205084605. 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 Johannes K. Steiner, 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 patients | 333 |
|---|---|
| Services billed to Medicare | 630 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)215 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)69 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)37 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)33 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 cholesterol70%
- Heart failure57%
- Ischemic heart disease53%
- Atrial fibrillation43%
- Arthritis38%
Hospitals where Johannes K. Steiner works
Medicare's Facility Affiliation Data lists Johannes K. Steiner 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.
- Adventist Health PortlandPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380060
- Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380018
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
Practice locations
Addresses where Johannes K. Steiner is enrolled with Medicare (CMS data updated October 2, 2026).
- 3181 SW Sam Jackson Park RdPortland, OR 97239 (503) 494‑8311
- 501 N Graham St, Suite 200Portland, OR 97227 (503) 413‑4488
Group practices
Medicare enrollment lists Johannes K. Steiner as a member of these groups (CMS data updated October 2, 2026).
- University Professional Services1,724 clinicians in the group
- Legacy Clinics LLC713 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Oregon →
Other cardiologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in University Professional Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1205084605 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians