Lyba Zia, MD
Obstetrics & Gynecology Physician · Downers Grove, IL
Lyba Zia, MD is an obstetrics & gynecology physician with a practice address in Downers Grove, Illinois, and NPI 1861070914, issued on Mar 31, 2021. Check the license (Illinois 036.173951, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lyba Zia
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036.173951 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6840 Main St Ste 200, Downers Grove, IL 60516
- Phone
- (630) 275-5900
- Enumerated
- Mar 31, 2021
- Record last updated
- Sep 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20250717001007); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 6840 Main St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlo Prades, MDInternal Medicine Physician1457880080
- Mark Tatara, MDInternal Medicine Physician1043256324
Verify Lyba Zia 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 036.173951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
78 Medicare Part D claims for 32 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol41 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
- Advocate Health And Hospitals CorporationNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lyba Zia among 2,062 obstetrics & gynecology physician records in Illinois
Lyba Zia, 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 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · 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).
27 obstetrics & gynecology physician records list a practice address in Downers Grove
They are 27 of the 1,899 NPPES records with a practice address in Downers Grove, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Downers Grove → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Xiao Huang, MDDowners Grove, IL 605161992202006
- Nazneen Shaikh, DODowners Grove, IL 605161770073934
- Gayle Simmons, MDDowners Grove, IL 605161154482024
- Sydney Walker, DODowners Grove, IL 605161861985608
- Naheed Akhter, MDDowners Grove, IL 605151861555179
- Jennifer Balash, M.D.Downers Grove, IL 605151487881025
- George Banuelos, M.D.Woodridge, IL 605171396815601
- Elizabeth Friedman, M.D.Downers Grove, IL 605151548674567
Common questions
What is Lyba Zia, MD's NPI number?
Lyba Zia, MD's National Provider Identifier (NPI) is 1861070914, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Lyba Zia, MD located?
The NPPES record lists a practice address at 6840 Main St Ste 200, Downers Grove, IL, 60516. Phone: (630) 275-5900. Providers update this record themselves, so call before visiting.
How can I verify Lyba Zia, MD's license?
NPPES lists Illinois license number 036.173951, 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 Lyba Zia, MD prescribe under Medicare Part D?
In 2024, Lyba Zia, MD had 78 Medicare Part D claims for 32 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.