NPPES file of Aug 9, 2026

George H. Voynov, MD

Radiation Oncology Physician · Des Moines, IA

George H. Voynov, MD is a radiation oncology physician with a practice address in Des Moines, Iowa, and NPI 1972694362, issued on Sep 28, 2006. Check the license (Iowa 36663, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972694362
Name
George H. Voynov
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
36663 IA
Self-reported in NPPES; status is on the state search
Practice location
411 Laurel St, Des Moines, IA 50314
Phone
(515) 643-8780
Enumerated
Sep 28, 2006
Record last updated
Nov 20, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
0736116 IA
Medicare enrollment
Enrolled (PECOS I20061113000117); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 411 Laurel St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Johan Aerts, D.O.Surgery Physician1962683243
  2. Robert Albin, CRNACertified Registered Nurse Anesthetist1164542502
  3. Mohammed Aldosari, M.D.Pediatrics Physician1255690293
  4. Caleb Anderson, AGACNP-BCAcute Care Nurse Practitioner1902218324
  5. Martin Aronow, D.O.Interventional Cardiology Physician1497737282
  6. Brandon BarnhartCertified Registered Nurse Anesthetist1760067839

Verify George H. Voynov in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 36663
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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10% fewer Medicare Part D claims than the average radiation oncology physician in 2024

120 Medicare Part D claims for 47 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. George Voynov120
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl39 claims
  2. Hydrocodone-Acetaminophen18 claims
  3. Lidocaine Hcl Viscous17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mercy Clinics IncDes Moines, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

George H. Voynov among 67 radiation oncology physician records in Iowa

George H. Voynov, MD is one of 67 radiation oncology physician records with a practice address in Iowa. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.

  • NPI issued2006 · 19% of these records are older, 63% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2001 · median 2010 among the 45 with a school on file
  • Record last updated2007 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Iowa

There are 67 radiation oncology physician records in Iowa.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Truston Bodine, MD, PHDDes Moines, IA 503141740787845
  2. Joseph Carmicheal, MD, PHDDes Moines, IA 503141871239921
  3. Philip Colletier, MDDes Moines, IA 503141760569412
  4. Richard Deming, MDDes Moines, IA 503141255418059
  5. Adam Gliniewicz, M.D.Des Moines, IA 503141669835914
  6. John Martens, MDDes Moines, IA 503141699852368
  7. Sarah McAvoy, M.D.Des Moines, IA 503141144549015
  8. Emily Merfeld, MDDes Moines, IA 503141194222554

Common questions

What is George H. Voynov, MD's NPI number?

George H. Voynov, MD's National Provider Identifier (NPI) is 1972694362, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is George H. Voynov, MD located?

The NPPES record lists a practice address at 411 Laurel St, Des Moines, IA, 50314. Phone: (515) 643-8780. Providers update this record themselves, so call before visiting.

How can I verify George H. Voynov, MD's license?

NPPES lists Iowa license number 36663, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does George H. Voynov, MD prescribe under Medicare Part D?

In 2024, George H. Voynov, MD had 120 Medicare Part D claims for 47 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.