Quick answers
- Does Stephen Kuehn accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Kuehn 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 Stephen Kuehn see?
- In 2024, CMS data shows 414 Original Medicare patients and 771 services for Stephen Kuehn. This counts Original Medicare only and measures volume, not quality.
- What is Stephen Kuehn's NPI number?
- 1750317533. 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 Stephen Kuehn, 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 | 414 |
|---|---|
| Services billed to Medicare | 771 |
| Different services or procedures | 55 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)207 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)72 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)50 services
- Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (93458)41 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 cholesterol75%
- Arthritis55%
- Ischemic heart disease49%
- Chronic kidney disease42%
- Atrial fibrillation42%
Hospitals where Stephen Kuehn works
Medicare's Facility Affiliation Data lists Stephen Kuehn 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.
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260052
Practice locations
Addresses where Stephen Kuehn is enrolled with Medicare (CMS data updated October 2, 2026).
- 901 Patients 1st Dr, Suite 2500Washington, MO 63090 (314) 251‑1700
Group practices
Medicare enrollment lists Stephen Kuehn as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Heart and Vascular LLC113 clinicians in the group
Specialties
Other interventional cardiologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Mercy Clinic Heart and Vascular LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750317533 |
| 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