Winthrop S. Risk, MD
Neurology Physician · Cedar Rapids, IA
Winthrop S. Risk, MD is a neurology physician with a practice address in Cedar Rapids, Iowa, and NPI 1104804053, issued on Jan 1, 2006. Check the license (Iowa 35883, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Winthrop S. Risk
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 35883 IA
Self-reported in NPPES; status is on the state search - Practice location
- 811 5TH Ave SE, Cedar Rapids, IA 52403
- Phone
- (319) 362-7924
- Enumerated
- Jan 1, 2006
- Record last updated
- Apr 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (319) 362-1435
- Medicaid ID
- 0450387 IA
- Medicare enrollment
- Enrolled (PECOS I20041204000116); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1995
- Entity
- Type 1 · individual
Also registered at 811 5TH Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Bass, PHARM.D.Pharmacist1609062280
- Sarah Boyce, PHARM.D.Pharmacist1154374866
- Jennifer Forkner, ARNPNurse Practitioner1710282355
Verify Winthrop S. Risk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 35883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average neurology physician in 2024
3,382 Medicare Part D claims for 211 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 137 claims were for opioids.
Most prescribed
- Sumatriptan Succinate182 claims
- Emgality Pen178 claims
- Topiramate132 claims
- Nurtec Odt131 claims
- Gabapentin122 claims
- Carbidopa-Levodopa118 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.
Industry payments in 2024: $15,355.26
297 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Neurology Physician providers in Iowa
There are 167 neurology physician records in Iowa.
Other neurology physician records in Iowa
- Lama Abdel Wahed, MDIowa City, IA1861927204
- Juan Acosta, MDAmes, IA1144329996
- Harold Adams, MDIowa City, IA1396737912
- Steve Adelman, DODes Moines, IA1639283294
- Waseem Ahmad, MDDavenport, IA1124063375
- Ernest Ajax, MDWashington, IA1740256502
- Sami Al Kasab, M.D.Iowa City, IA1538509799
- Georgina Aldridge, M.D. PH.D.Iowa City, IA1053750802
- Ricardo Amorim Leite, MDIowa City, IA1720640048
- Oliver Ancheta, M.D.Clinton, IA1366400327
Common questions
What is Winthrop S. Risk, MD's NPI number?
Winthrop S. Risk, MD's National Provider Identifier (NPI) is 1104804053, issued on Jan 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Winthrop S. Risk, MD located?
The NPPES record lists a practice address at 811 5TH Ave SE, Cedar Rapids, IA, 52403. Phone: (319) 362-7924. Providers update this record themselves, so call before visiting.
How can I verify Winthrop S. Risk, MD's license?
NPPES lists Iowa license number 35883, 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 Winthrop S. Risk, MD prescribe under Medicare Part D?
In 2024, Winthrop S. Risk, MD had 3,382 Medicare Part D claims for 211 beneficiaries; the average among neurology physician prescribers was 1,370. 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.