NPPES file of Aug 9, 2026

Roland Williby, M.D.

Obstetrics & Gynecology Physician · Elgin, IL

Roland Williby, M.D. is an obstetrics & gynecology physician with a practice address in Elgin, Illinois, and NPI 1235439514, issued on Nov 2, 2010. Check the license (Illinois 036122702, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1235439514
Name
Roland Williby
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036122702 IL
Self-reported in NPPES; status is on the state search
Practice location
620 Wing Street, Elgin, IL 60123
Phone
(847) 717-6455
Enumerated
Nov 2, 2010
Record last updated
Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 488-9142
Medicare enrollment
Enrolled (PECOS I20120213000469); accepts Medicare assignment
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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Verify Roland Williby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036122702
    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 Illinois license search

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90% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

16 Medicare Part D claims for 11 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Roland Williby16
  2. Specialty average165

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 2 group practices

  1. Carle Health Care IncorporatedUrbana, IL
  2. Osf Multi-Specialty GroupDanville, IL

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

Roland Williby among 2,062 obstetrics & gynecology physician records in Illinois

Roland Williby, M.D. 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 2010, is newer than 59% of them.

  • NPI issued2010 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2006 · median 2006 among the 1,168 with a school on file
  • Record last updated2021 · 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).

Obstetrics & Gynecology Physician providers in Illinois

There are 2,062 obstetrics & gynecology physician records in Illinois.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Jeness Barthel, M.D.Elgin, IL 601231588780795
  2. Brad Epstein, M.D.Elgin, IL 601231699773101
  3. Christine Estes, MDElgin, IL 601231811942642
  4. Jessica Flynn, M.D.Elgin, IL 601231992933782
  5. Lindsey Graff, D.O.Elgin, IL 601231073907663
  6. Jessica Hyde, DOElgin, IL 601231225769599
  7. Debra Jaryszak, M.D.Elgin, IL 601231659434579
  8. Carol Korzen, MDElgin, IL 601231235183229

Common questions

What is Roland Williby, M.D.'s NPI number?

Roland Williby, M.D.'s National Provider Identifier (NPI) is 1235439514, issued on Nov 2, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Roland Williby, M.D. located?

The NPPES record lists a practice address at 620 Wing Street, Elgin, IL, 60123. Phone: (847) 717-6455. Providers update this record themselves, so call before visiting.

How can I verify Roland Williby, M.D.'s license?

NPPES lists Illinois license number 036122702, 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 Roland Williby, M.D. prescribe under Medicare Part D?

In 2024, Roland Williby, M.D. had 16 Medicare Part D claims for 11 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.