William Winter, MD
Obstetrics & Gynecology Physician · Maywood, IL
William Winter, MD is an obstetrics & gynecology physician with a practice address in Maywood, Illinois, and NPI 1255081303, issued on Mar 23, 2022. Check the license (Illinois 036180537, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William Winter
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036180537 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (708) 216-4533
- Enumerated
- Mar 23, 2022
- Record last updated
- Jul 23, 2026
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
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Verify William Winter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036180537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
30 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol11 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.
William Winter among 2,062 obstetrics & gynecology physician records in Illinois
William Winter, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 90% of them.
- NPI issued2022 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 obstetrics & gynecology physician records list a practice address in Maywood
They are 40 of the 2,572 NPPES records with a practice address in Maywood, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Maywood → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Layan Alrahmani, M.D.Maywood, IL 601531912294455
- Fabiola Fernandez, MDMaywood, IL 601531174597249
- Kenneth Frjelich, MDMaywood, IL 601531740254887
- Maike Liebermann, MDMaywood, IL 601531396907168
- Joana Lopes Perdigao, MDMaywood, IL 601531992067094
- Lindsey McAlarnen, M.D.Maywood, IL 601531528420148
- Johnathon Recknagel, MDMaywood, IL 601531942799804
- Elyse Schultz, MD, MPHMaywood, IL 601531285139964
Common questions
What is William Winter, MD's NPI number?
William Winter, MD's National Provider Identifier (NPI) is 1255081303, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Winter, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (708) 216-4533. Providers update this record themselves, so call before visiting.
How can I verify William Winter, MD's license?
NPPES lists Illinois license number 036180537, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Winter, MD prescribe under Medicare Part D?
In 2024, William Winter, MD had 30 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.