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

Q: 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.

Q: What is Anthony Leazzo's specialty?

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

Q: 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 3 months 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.

Active since January 09, 2007PECOS EnrolledAccepts Medicare Assignment

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: October 25, 2026.

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

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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, maintains 3 additional practice locations, and is a graduate of Philadelphia College Of Osteopathic Medicine (1999).

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

Phone(312) 818-4650

Sole ProprietorNo

Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1999

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

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Secondary Practice Locations 3

Location 113555 Bishops Ct Ste 315Brookfield, WI 53005-6224 · Phone (414) 255-0300

Location 2500 Kirts BlvdTroy, MI 48084-4134 · Phone (248) 824-6060

Location 32425 Fargo BlvdGeneva, IL 60134-3591 · Phone (630) 232-2200 · Fax (630) 232-1940

Other Identifiers 2

Medicaid036111542IL

OtherP00433169IL · Railroad Medicare Ptan

Medicare Participation & PECOS CMS

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

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 IDI20260616002761

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

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

Vpa PC

Same address

Family Medicine

117W755 BUTTERFIELD ROAD, UNIT 104
Oakbrook Terrace, IL 60181

Reassigned Medicare billing, Illinois, Wisconsin and Michigan enrollments
Also billed through NPI 1255958344 (Wisconsin), NPI 1669091864 (Michigan)
189 clinicians in this Medicare group

NPI 1174925663 (312) 818-4650

Genesis Integrative Medicine LLC

21 mi

General Practice

1881 S RANDALL RD STE C
Geneva, IL 60134

Reassigned Medicare billing, Illinois enrollment
4 clinicians in this Medicare group

NPI 1306311725 (331) 442-4132

Morris Hospital

34 mi

General Practice

25259 S REED ST
Channahon, IL 60410

Reassigned Medicare billing, Illinois enrollment
207 clinicians in this Medicare group

NPI 1275648511 (815) 467-0555

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 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

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

18 services18 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

18 services17 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

18 services18 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

16 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

15 services13 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

14 services14 patients

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

Quality

82.59

Promoting Interoperability

100

Improvement Activities

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.

VPA PC

Family Medicine

117W755 BUTTERFIELD ROAD, UNIT 104
OAKBROOK TERRACE, IL 60181

Dupage County (312) 818-4650

ADEREMI LAWAL

Nurse Practitioner (Family)

117W755 BUTTERFIELD ROAD, UNIT 104
OAKBROOK TERRACE, IL 60181

Dupage County (312) 818-4650

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.

Which organizations bill Medicare for Anthony Leazzo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Leazzo reassigns Medicare benefits to 3 organizations: Vpa PC (Oakbrook Terrace, IL), Genesis Integrative Medicine LLC (Geneva, IL) and Morris Hospital (Channahon, 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 Anthony Leazzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

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 3 months 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.