Ronald Oconer, D.O.
Anesthesiology Physician · Harvard, IL
Ronald Oconer, D.O. is an anesthesiology physician with a practice address in Harvard, Illinois, and NPI 1649473729, issued on Jun 7, 2007. Check the license (Illinois 036.122284, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ronald Oconer
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 036.122284 IL
OS013538 PA
53011-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 901 Grant St, Harvard, IL 60033
- Phone
- (815) 943-8094
- Enumerated
- Jun 7, 2007
- Entity
- Type 1 · individual
Also registered at 901 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Aceves-OchoaRegistered Dietitian1154296218
- Judy Aguilar, PTAPhysical Therapy Assistant1871547232
- Mark Alexander, MDAnesthesiology Physician1932206729
- Mohammad Amir, D.O.Emergency Medicine Physician1386036085
- Tawfik Barakat, MDAnesthesiology Physician1306895644
- Nancy Barnes, OTOccupational Therapist1184871634
Verify Ronald Oconer 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 036.122284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
5 hospital and facility affiliations
- Northwestern Medical Faculty FoundationHuntley, IL
- Novus Illinois Service CorporationBourbonnais, IL
- Oak Brook Anesthesiologists LtdHoffman Estates, IL
- The Monroe Clinic, Inc.Monroe, WI
- Town Square Anesthesia LLCChicago, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
5 anesthesiology physician records list a Harvard practice address
They are 5 of the 82 NPPES records with a Harvard practice address, and 2,408 anesthesiology physician records in Illinois.
All 5 in Harvard → All 2,408 in Illinois → Every provider in Harvard →
Other anesthesiology physician records in Illinois
- Sadiqa Abbas, M.D.Downers Grove, IL1528010634
- Ossama Abdellatif, MDBerwyn, IL1760436786
- Nadine Abi-Younes, MDChicago, IL1306422589
- Hassan Aboumerhi, M.D.Chicago, IL1336528637
- Jake Abramowicz, DOChicago, IL1235823782
- Antonio Abrego, MDChicago, IL1336236157
- Jose Abreu, M.D.Tinley Park, IL1538287388
- Max Ackerman, BSChicago, IL1083362644
- Sean Adams, M.D.Naperville, IL1598713661
- Timothy Ade, MDUrbana, IL1043552672
Common questions
What is Ronald Oconer, D.O.'s NPI number?
Ronald Oconer, D.O.'s National Provider Identifier (NPI) is 1649473729, issued on Jun 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Oconer, D.O. located?
The NPPES record lists a practice address at 901 Grant St, Harvard, IL, 60033. Phone: (815) 943-8094. Providers update this record themselves, so call before visiting.
How can I verify Ronald Oconer, D.O.'s license?
NPPES lists Illinois license number 036.122284, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.