Deena F. Leonard, MD
Ophthalmology Physician · Buffalo Grove, IL
Deena F. Leonard, MD is an ophthalmology physician with a practice address in Buffalo Grove, Illinois, and NPI 1720150303, issued on Nov 15, 2006. Check the license (Illinois 036086243, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Deena F. Leonard
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036086243 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1120 W Lake Cook RD Ste C, Buffalo Grove, IL 60089
- Phone
- (847) 459-6060
- Enumerated
- Nov 15, 2006
- Record last updated
- Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 459-9797
- Medicaid ID
- 036086243 IL
- Medicare enrollment
- Enrolled (PECOS I20111202000220); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1989
- Entity
- Type 1 · individual
Also registered at 1120 W Lake Cook RD Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Donlea, ODOptometrist1700950169
- Abe Kaplan, MDOphthalmology Physician1407843816
- Dana Kolton, MDOphthalmology Physician1205909835
Verify Deena F. Leonard 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 036086243Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Premier Eye Care And Surgery LtdBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
Other ophthalmology physician records in Illinois
- Walid Abdallah, MDRockford, IL1871912717
- Robert Abishek, MDChicago, IL1760314678
- Ashley Abraham, M.D.Springfield, IL1285900423
- Evelyn Ackermann, MDElgin, IL1053308676
- Kathleen Ackman Blake, MDHinsdale, IL1497734966
- Kaela Acuff, MDChicago, IL1609678549
- Nolan AdamsMaywood, IL1124581780
- Mohamed Adenwalla, M.D.Elmhurst, IL1184679524
- Roger Adler, MDPekin, IL1063465110
- Armin Afshar, M.D.Chicago, IL1063742161
Common questions
What is Deena F. Leonard, MD's NPI number?
Deena F. Leonard, MD's National Provider Identifier (NPI) is 1720150303, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deena F. Leonard, MD located?
The NPPES record lists a practice address at 1120 W Lake Cook RD Ste C, Buffalo Grove, IL, 60089. Phone: (847) 459-6060. Providers update this record themselves, so call before visiting.
How can I verify Deena F. Leonard, MD's license?
NPPES lists Illinois license number 036086243, 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), 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.