NPPES file of Aug 9, 2026

Brenda Onia, M.D.

Obstetrics & Gynecology Physician · Chicago, IL

Brenda Onia, M.D. is an obstetrics & gynecology physician with a practice address in Chicago, Illinois, and NPI 1710936687, issued on May 9, 2006. Check the license 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
1710936687
Name
Brenda Onia
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
Practice location
4753 N Elston Ave, Chicago, IL 60630
Phone
(773) 205-7200
Enumerated
May 9, 2006
Record last updated
Jul 13, 2026
Fax
(773) 481-7577
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →

Also registered at 4753 N Elston Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oksana Barilyak, MDFamily Medicine Physician1588855498
  2. Solomiya Britska, MDFamily Medicine Physician1225523103
  3. Annie Callangan, M.D.Family Medicine Physician1679607196
  4. Quoc Dang, D.O.Family Medicine Physician1639539752
  5. Joy Irizari, PHYSICAL THERAPISTPhysical Therapist1649512153
  6. Anna Kulik-Carlos, D.O.Family Medicine Physician1841453909

Verify Brenda Onia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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Industry payments in 2024: $911.65

41 payments; by number, the most common kind was food and beverage; the largest payer was Shield Therapeutics Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brenda Onia$911.65
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Brenda Onia among 2,062 obstetrics & gynecology physician records in Illinois

Brenda Onia, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% 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).

700 obstetrics & gynecology physician records list a practice address in Chicago

They are 700 of the 63,379 NPPES records with a practice address in Chicago, and 2,062 obstetrics & gynecology physician records in Illinois.

All 2,062 in Illinois → Every provider in Chicago → Obstetrics & Gynecology Physician nationwide →

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

  1. Sunanda Ravella, M.D.Chicago, IL 606301164471033
  2. Michelle Trandai, M.D.Chicago, IL 606301497704092
  3. Zbigniew Aniol, M.D.Chicago, IL 606311871582486
  4. Sterling Baumwell, MDChicago, IL 606291205807658
  5. Steven BujewskiChicago, IL 606311295791168
  6. Joseph Coughlin, M.D.Chicago, IL 606311215022637
  7. Lisa Daniel, M.D.Chicago, IL 606291982632865
  8. Kelly Davis, M.D.Chicago, IL 606311881049120

Common questions

What is Brenda Onia, M.D.'s NPI number?

Brenda Onia, M.D.'s National Provider Identifier (NPI) is 1710936687, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brenda Onia, M.D. located?

The NPPES record lists a practice address at 4753 N Elston Ave, Chicago, IL, 60630. Phone: (773) 205-7200. Providers update this record themselves, so call before visiting.

How can I verify Brenda Onia, M.D.'s license?

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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.