Quick answers
- Does George H. Voynov accept Medicare assignment?
- Yes. Medicare's clinician data says George H. Voynov 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 George H. Voynov see?
- In 2024, CMS data shows 229 Original Medicare patients and 2,514 services for George H. Voynov. This counts Original Medicare only and measures volume, not quality.
- What is George H. Voynov's NPI number?
- 1972694362. 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 George H. Voynov, 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 | 229 |
|---|---|
| Services billed to Medicare | 2,514 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)749 services
- Calculation of radiation therapy dose (77300)537 services
- Design and construction of complex radiation treatment device (77334)326 services
- Radiation treatment management, 5 treatment sessions (77427)235 services
- Obtaining data needed to develop the optimal radiation treatment, 1 treatment area (77280)147 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 cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure72%
- Arthritis33%
- Diabetes29%
- COPD28%
Hospitals where George H. Voynov works
Medicare's Facility Affiliation Data lists George H. Voynov 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.
- Greater Regional Medical CenterCreston, IA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 161365
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 160083
- University of Iowa Hospital & ClinicsIowa City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160058
Practice locations
Addresses where George H. Voynov is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1111 6th AveDes Moines, IA 50314
- 12495 University AveClive, IA 50325 (515) 358‑9500
- 1700 W Townline StCreston, IA 50801 (641) 782‑7091
- 1755 59th PlWest Des Moines, IA 50266
- 330 Laurel St, Suite 1200Des Moines, IA 50314
Group practices
Medicare enrollment lists George H. Voynov as a member of these groups (CMS data updated October 2, 2026).
- Mercy Clinics Inc443 clinicians in the group
- Greater Regional Medical Center54 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Des Moines
Clinicians with the same Medicare primary specialty in Des Moines, IA — not a recommendation.
Other clinicians in Mercy Clinics Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut 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) | 1972694362 |
| 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