Michael Barry Klass, D.D.S.
General Practice Dentistry · Buffalo Grove, IL
Michael Barry Klass, D.D.S. is a general practice dentistry with a practice address in Buffalo Grove, Illinois, and NPI 1497963243, issued on May 17, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Barry Klass
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- Practice location
- 135 N Arlington Heights RD, Buffalo Grove, IL 60089
- Phone
- (847) 459-1875
- Enumerated
- May 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 383-4701
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 135 N Arlington Heights RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Barry Klass 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
64% more Medicare Part D claims than the average general practice dentistry in 2024
136 Medicare Part D claims for 89 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin89 claims
- Clindamycin Hcl25 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.
Industry payments in 2024: $15.74
1 payment: food and beverage; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael Barry Klass among 5,276 general practice dentistry records in Illinois
Michael Barry Klass, D.D.S. is one of 5,276 general practice dentistry 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 32% of them.
- NPI issued2007 · 32% of these records are older, 43% 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 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 general practice dentistry records list a practice address in Buffalo Grove
They are 25 of the 868 NPPES records with a practice address in Buffalo Grove, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Buffalo Grove → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Igor Beyer, DDSBuffalo Grove, IL 600891083760631
- Irene Beyer, DDSBuffalo Grove, IL 600891720124704
- Joseph Fye, DDSBuffalo Grove, IL 600891194896217
- Laren Garfield, D.D.S.Buffalo Grove, IL 600891861420424
- Chungyoon Ha, DDSBuffalo Grove, IL 600891720076961
- Robert Hecht, D.D.S.Buffalo Grove, IL 600891245339886
- Brian Hicks, DDSBuffalo Grove, IL 600891629088919
- John Kazanowski, D.D.S.Buffalo Grove, IL 600891275683575
Common questions
What is Michael Barry Klass, D.D.S.'s NPI number?
Michael Barry Klass, D.D.S.'s National Provider Identifier (NPI) is 1497963243, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Barry Klass, D.D.S. located?
The NPPES record lists a practice address at 135 N Arlington Heights RD, Buffalo Grove, IL, 60089. Phone: (847) 459-1875. Providers update this record themselves, so call before visiting.
How can I verify Michael Barry Klass, D.D.S.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Barry Klass, D.D.S. prescribe under Medicare Part D?
In 2024, Michael Barry Klass, D.D.S. had 136 Medicare Part D claims for 89 beneficiaries; the average among general practice dentistry prescribers was 83. 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.