Leonard Piazza, M.D.
Otolaryngology Physician · Naperville, IL
Leonard Piazza, M.D. is an otolaryngology physician with a practice address in Naperville, Illinois, and NPI 1083633663, issued on Jul 18, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Leonard Piazza
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- Practice location
- 10 W Martin Ave Ste 260, Naperville, IL 60540
- Phone
- (630) 355-5668
- Enumerated
- Jul 18, 2006
- Entity
- Type 1 · individual
Also registered at 10 W Martin Ave Ste 260
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rodney Caniglia, M.D.Otolaryngology Physician1770518318
Verify Leonard Piazza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
79% more Medicare Part D claims than the average otolaryngology physician in 2024
967 Medicare Part D claims for 332 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 44 claims were for opioids.
Most prescribed
- Ipratropium Bromide226 claims
- Fluticasone Propionate213 claims
- Omeprazole72 claims
- Azelastine Hcl57 claims
- Methylprednisolone52 claims
- Cefuroxime44 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.
The Medicare quality score for 2023: 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $158.30
2 payments, mostly food and beverage; the largest payer was Inspire Medical Systems, Inc.. The 6,429 providers of this specialty with any payment received $1,922.50 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.
One hospital or facility affiliation
- Endeavor Health Medical GroupNaperville, 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.
Otolaryngology Physician providers in Illinois
There are 482 otolaryngology physician records in Illinois.
Other otolaryngology physician records in Illinois
- Neil Aaronson, M.D.Highland Park, IL1841278298
- Brittany Abud, MDChicago, IL1386104891
- Nathan AckermanChampaign, IL1306208640
- Murtala AffiniChicago, IL1891585899
- Nishant AgrawalChicago, IL1265571061
- Samer Al-Khudari, M.D.Chicago, IL1699942177
- Zaid Al-Zaghal, MDSpringfield, IL1801396064
- Noor-E-Seher Ali, MDUrbana, IL1528680964
- Ayham Alkarmi, MDEdwardsville, IL1194399139
- Joseph Allegretti, M.D.Chicago, IL1922008333
Common questions
What is Leonard Piazza, M.D.'s NPI number?
Leonard Piazza, M.D.'s National Provider Identifier (NPI) is 1083633663, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Piazza, M.D. located?
The NPPES record lists a practice address at 10 W Martin Ave Ste 260, Naperville, IL, 60540. Phone: (630) 355-5668. Providers update this record themselves, so call before visiting.
How can I verify Leonard Piazza, M.D.'s license?
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.
How much does Leonard Piazza, M.D. prescribe under Medicare Part D?
In 2024, Leonard Piazza, M.D. had 967 Medicare Part D claims for 332 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Leonard Piazza, M.D.'s Medicare quality score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.