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DR. LEONARD S. PIAZZA M.D.
NPI 1083633663
Otolaryngology in Naperville, IL

Active since July 18, 2006PECOS Enrolled
91.35/100
CMS Quality Rating
10 W MARTIN AVE STE 260, NAPERVILLE, IL 60540(630) 355-5668(630) 355-2071 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Leonard S. Piazza M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEONARD S. PIAZZA M.D. (NPI 1083633663) is an individual otolaryngology provider in Naperville, Illinois and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083633663
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. LEONARD S. PIAZZACredential: M.D.
Location Address10 W MARTIN AVE STE 260Naperville, IL 60540-6547
Mailing Address10 W Martin Ave Ste 260Naperville, IL 60540-6547 · (630) 355-5668 · Fax (630) 355-2071
Phone(630) 355-5668
Fax(630) 355-2071
Sole ProprietorNo
Enumeration DateJuly 18, 2006
Last NPPES UpdateJuly 21, 2022
✔ NPI 1083633663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
10 W MARTIN AVE STE 260, Naperville, IL 60540
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leonard S. Piazza M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Leonard Piazza reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures
Same address
Surgery
10 MARTIN AVE, STE 225
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1215367099 (630) 355-5633
Naperville Ear, Nose And Throat Associates., Ltd.
Same address
Otolaryngology
10 W MARTIN AVE, SUITE 260
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 11 clinicians in this Medicare group
NPI 1205875119 (630) 355-5668
Endeavor Health Medical Group
32 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
456 services317 patients
Exam of ear using a microscope 92504
An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.
197 services151 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
148 services148 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
56 services50 patients
Ct guidance for needle or tube localization 77011
CT guidance for needle or tube localization is a procedure where a CT scan is used to accurately position a needle or tube within the body. It helps in diagnosing or treating conditions by ensuring precise placement for procedures such as biopsies or drainages.
34 services31 patients
Biopsy or removal of nasal polyp or tissue using an endoscope 31237
A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.
17 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RODNEY T. CANIGLIA M.D.
Otolaryngology
10 W MARTIN AVE STE 260
NAPERVILLE, IL 60540
Dupage County (630) 355-5668

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Piazza's NPI number?

The NPI number for Leonard Piazza is 1083633663. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Leonard Piazza located?

Leonard Piazza practices at 10 W Martin Ave Ste 260, Naperville, IL 60540. The listed phone number is (630) 355-5668.

What is Leonard Piazza's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Leonard Piazza enrolled in Medicare?

Yes. Leonard Piazza is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leonard Piazza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Piazza reassigns Medicare benefits to 3 organizations: Edward Health Ventures (Naperville, IL), Naperville Ear, Nose And Throat Associates., Ltd. (Naperville, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leonard Piazza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leonard Piazza accept?

Health plans from Oscar Health list Leonard Piazza as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leonard Piazza was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.