Quick answers
- Does Radoslaw S. Kiesz accept Medicare assignment?
- Yes. Medicare's clinician data says Radoslaw S. Kiesz 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 Radoslaw S. Kiesz see?
- In 2024, CMS data shows 526 Original Medicare patients and 11,809 services for Radoslaw S. Kiesz. This counts Original Medicare only and measures volume, not quality.
- What is Radoslaw S. Kiesz's NPI number?
- 1710924675. 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 Radoslaw S. Kiesz, 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 | 526 |
|---|---|
| Services billed to Medicare | 11,809 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)6,300 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,278 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,122 services
- Injection, regadenoson, 0.1 mg (J2785)350 services
- Ultrasonic guidance for blood vessel access (76937)313 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%
- Ischemic heart disease75%
- Arthritis49%
- Diabetes42%
- Chronic kidney disease39%
Hospitals where Radoslaw S. Kiesz works
Medicare's Facility Affiliation Data lists Radoslaw S. Kiesz 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.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
Practice locations
Addresses where Radoslaw S. Kiesz is enrolled with Medicare (CMS data updated October 2, 2026).
- 18615 Tuscany Stone, Suite 170San Antonio, TX 78258 (210) 272‑0098
- 6830 Heuermann RdSan Antonio, TX 78256 (210) 802‑4350
Group practices
Medicare enrollment lists Radoslaw S. Kiesz as a member of this group (CMS data updated October 2, 2026).
- R Stefan Kiesz MD PA3 clinicians in the group
Specialties
Other interventional cardiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in R Stefan Kiesz MD PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710924675 |
| 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