Leonard Michael Kaplan, D.D.S.
Dentist · Buffalo Grove, IL
Leonard Michael Kaplan, D.D.S. is a dentist with a practice address in Buffalo Grove, Illinois, and NPI 1891912069, issued on Apr 19, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leonard Michael Kaplan
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- Practice location
- 400 W Dundee RD, Buffalo Grove, IL 60089
- Phone
- (847) 459-5353
- Enumerated
- Apr 19, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 459-6573
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 400 W Dundee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Mihaly, ODOptometrist1154384709
- Michael Perper, DDSDentist1497829691
Verify Leonard Michael Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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% more Medicare Part D claims than the average dentist in 2024
90 Medicare Part D claims for 61 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin66 claims
- Clindamycin Hcl13 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.
Leonard Michael Kaplan among 4,522 dentist records in Illinois
Leonard Michael Kaplan, D.D.S. is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 62% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 dentist records list a practice address in Buffalo Grove
They are 23 of the 868 NPPES records with a practice address in Buffalo Grove, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Buffalo Grove → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Mariana BakerBuffalo Grove, IL 600891124160783
- Robert Blumenthal, DMDBuffalo Grove, IL 600891992875256
- Lijuan Huang, DMDBuffalo Grove, IL 600891205926573
- Lloyd Jackson, DDSBuffalo Grove, IL 600891780710582
- Helen Joffe, D.D.S.Buffalo Grove, IL 600891912995598
- David Papworth, D.D.S.Buffalo Grove, IL 600891205045325
- Boris Peck, D.D.S.Buffalo Grove, IL 600891952471864
- Rafael Pena, D.D.S.Buffalo Grove, IL 600891992827455
Common questions
What is Leonard Michael Kaplan, D.D.S.'s NPI number?
Leonard Michael Kaplan, D.D.S.'s National Provider Identifier (NPI) is 1891912069, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Michael Kaplan, D.D.S. located?
The NPPES record lists a practice address at 400 W Dundee RD, Buffalo Grove, IL, 60089. Phone: (847) 459-5353. Providers update this record themselves, so call before visiting.
How can I verify Leonard Michael Kaplan, D.D.S.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Leonard Michael Kaplan, D.D.S. prescribe under Medicare Part D?
In 2024, Leonard Michael Kaplan, D.D.S. had 90 Medicare Part D claims for 61 beneficiaries; the average among dentist prescribers was 86. 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.