Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANTHONY S LEAZZO DO
NPI 1912056995
Family Medicine in Oakbrook Terrace, IL

Active since January 09, 2007PECOS Enrolled
94.1/100
CMS Quality Rating
117W755 BUTTERFIELD ROAD, UNIT 104, OAKBROOK TERRACE, IL 60181(312) 818-4650 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 24, 2026, Jul 14, 2026, Dec 20, 2018 and 1 more (4 updates tracked since 2017).

About Anthony S Leazzo Do NPPES

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

ANTHONY S LEAZZO DO (NPI 1912056995) is an individual family medicine provider in Oakbrook Terrace, Illinois, licensed in Illinois (036111542) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Delnor Community Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1912056995
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameANTHONY S LEAZZOCredential: DO
Location Address117W755 BUTTERFIELD ROAD, UNIT 104Oakbrook Terrace, IL 60181
Mailing AddressPo Box 40412Belfast, ME 04915-1255 · (312) 818-4650
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1998
Enumeration DateJanuary 9, 2007
Last NPPES UpdateJuly 24, 20264 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
NPI 1912056995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 036111542
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License 036111542 (IL)
117W755 BUTTERFIELD ROAD, Oakbrook Terrace, IL 60181

Secondary Practice Locations 3

Location 12425 Fargo BlvdGeneva, IL 60134-3591 · Phone (630) 232-2200 · Fax (630) 232-1940
Location 2500 Kirts BlvdTroy, MI 48084-4134 · Phone (248) 824-6060
Location 313555 Bishops Ct Ste 315Brookfield, WI 53005-6224 · Phone (414) 255-0300

Other Identifiers 2

Medicaid036111542IL
OtherP00433169IL · Railroad Medicare Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Anthony S Leazzo Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698722767
PECOS Enrollment IDI20050401000046
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.

Areas of Expertise CMS Part B claims 12

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.
619 services415 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
264 services264 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
145 services136 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
90 services90 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
87 services87 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
21 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140211
Location300 Randall RdGeneva, IL 60134 · Kane County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60181 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
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.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
15 suppliers46 claims120 services$5.16 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers18 claims18 services$0.76 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers12 claims12 services$14.31 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
2 suppliers12 claims12 services$6.26 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers19 claims19 services$197.61 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

Family Medicine
117W755 BUTTERFIELD ROAD, UNIT 104
OAKBROOK TERRACE, IL 60181
Nurse Practitioner (Family)
117W755 BUTTERFIELD ROAD, UNIT 104
OAKBROOK TERRACE, IL 60181

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 Anthony Leazzo's NPI number?

The NPI number for Anthony Leazzo is 1912056995. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Anthony Leazzo located?

Anthony Leazzo practices at 117w755 Butterfield Road Unit 104, Oakbrook Terrace, IL 60181. The listed phone number is (312) 818-4650.

What is Anthony Leazzo's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Anthony Leazzo enrolled in Medicare?

Yes. Anthony Leazzo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Anthony Leazzo affiliated with any hospitals?

According to CMS data, Anthony Leazzo is affiliated with Northwestern Medicine Delnor Community Hospital.

When was this NPI record last updated?

The NPPES record for Anthony Leazzo was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.