George A. Mandelaris, DDS
Periodontics · Oakbrook Terrace, IL
George A. Mandelaris, DDS is a periodontics with a practice address in Oakbrook Terrace, Illinois, and NPI 1356568513, issued on Apr 19, 2007. Check the license (Illinois 019024971, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- George A. Mandelaris
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 019024971 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1S224 Summit Ave, Oakbrook Terrace, IL 60181
- Phone
- (630) 627-3930
- Enumerated
- Apr 19, 2007
- Record last updated
- Mar 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (630) 627-2148
- Entity
- Type 1 · individual
8 nearest periodontics records → All 214 in Illinois → Look up another NPI →
Also registered at 1S224 Summit Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caitlin Flicek, CCC-SLPSpeech-Language Pathologist1194076802
- Kamal Ibrahim, M.D.Orthopaedic Surgery Physician1174519862
- Julie Jourdan, PA-CPhysician Assistant1962647917
- Mark Ligocki, D.D.S.General Practice Dentistry1689895997
Verify George A. Mandelaris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019024971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average periodontics in 2024
254 Medicare Part D claims for 98 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Amoxicillin78 claims
- Ibuprofen70 claims
- Amoxicillin-Clavulanate Potass30 claims
- Oxycodone Hcl25 claims
- Cefdinir13 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: $19,986.80
33 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 2,966 providers of this specialty with any payment received $1,338.41 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.
George A. Mandelaris among 214 periodontics records in Illinois
George A. Mandelaris, DDS is one of 214 periodontics records with a practice address in Illinois. 74% 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 31% of them.
- NPI issued2007 · 31% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Illinois
There are 214 periodontics records in Illinois.
All 214 in Illinois → Every provider in Oakbrook Terrace → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Alan Rosenfeld, DDS, FACDOakbrook Terrace, IL 601811255437760
- Paul Blaha, DDS MSSycamore, IL 601781124134283
- John Saniat, D.D.S.Wheaton, IL 601871073687927
- Tricia Crosby, DDS,MSSt Charles, IL 601741912152034
- Paul Delaney, D.D.S., M.S.Carol Stream, IL 601881528186749
- Martin Kolinski, DDSSt Charles, IL 601741083705701
- John Mazzocco, DDSSaint Charles, IL 601741396511291
- Henry Crossetti, DDS MSSchaumburg, IL 601731023231669
Common questions
What is George A. Mandelaris, DDS's NPI number?
George A. Mandelaris, DDS's National Provider Identifier (NPI) is 1356568513, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is George A. Mandelaris, DDS located?
The NPPES record lists a practice address at 1S224 Summit Ave, Oakbrook Terrace, IL, 60181. Phone: (630) 627-3930. Providers update this record themselves, so call before visiting.
How can I verify George A. Mandelaris, DDS's license?
NPPES lists Illinois license number 019024971, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does George A. Mandelaris, DDS prescribe under Medicare Part D?
In 2024, George A. Mandelaris, DDS had 254 Medicare Part D claims for 98 beneficiaries; the average among periodontics prescribers was 277. 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.