Bayan H. Abunar
Obstetrics & Gynecology Physician · Aurora, IL
Bayan H. Abunar is an obstetrics & gynecology physician with a practice address in Aurora, Illinois, and NPI 1972063220, issued on Mar 22, 2019. Check the license (Illinois 036.172621, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Bayan H. Abunar
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 036.172621 IL
35.147384 OH
Self-reported in NPPES; status is on the state search - Practice location
- 400 N Highland Ave, Aurora, IL 60506
- Phone
- (630) 892-4355
- Enumerated
- Mar 22, 2019
- Record last updated
- Nov 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20250123002011); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 400 N Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Aguilar, FNP-CFamily Nurse Practitioner1174208987
- Angelos Alexander, D.O.Obstetrics & Gynecology Physician1265425953
- Patricia Antonelli, RD, LDN, CDERegistered Dietitian1114012184
- Praveena AryaObstetrics & Gynecology Physician1790166239
- Sarah Barber, CPNP-PCPediatric Nurse Practitioner1851991061
- Diane Baron, APRNFamily Nurse Practitioner1265205314
Verify Bayan H. Abunar 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 036.172621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
38 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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
- Vna Health CareAurora, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bayan H. Abunar among 2,062 obstetrics & gynecology physician records in Illinois
Bayan H. Abunar 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · median 2006 among the 1,168 with a school on file
- Record last updated2025 · 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).
33 obstetrics & gynecology physician records list a practice address in Aurora
They are 33 of the 3,342 NPPES records with a practice address in Aurora, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Aurora → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kimberly Albright, CNPAurora, IL 605061205040391
- Angelos Alexander, D.O.Aurora, IL 605061265425953
- Praveena AryaAurora, IL 605061790166239
- Alexandra Burgess, M.D.Aurora, IL 605061861055428
- Bahareh Hamedi, M.D.Aurora, IL 605061417530502
- Sandra Harris, MDAurora, IL 605061861410268
- Judson Jones, MDAurora, IL 605061609894856
- Joseph Lisac, MDAurora, IL 605061962413344
Common questions
What is Bayan H. Abunar's NPI number?
Bayan H. Abunar's National Provider Identifier (NPI) is 1972063220, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Bayan H. Abunar located?
The NPPES record lists a practice address at 400 N Highland Ave, Aurora, IL, 60506. Phone: (630) 892-4355. Providers update this record themselves, so call before visiting.
How can I verify Bayan H. Abunar's license?
NPPES lists Illinois license number 036.172621, 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 Bayan H. Abunar prescribe under Medicare Part D?
In 2024, Bayan H. Abunar had 38 Medicare Part D claims for 14 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.