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Home > IL Providers > Cardiac Surgeons

Michael S. Leininger, PHYSICIAN, PA, ASST

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Specializes in: Cardiac Surgery and Thoracic Surgery

10 Martin Avenue Suite 100
Naperville, IL 60540

(630) 416-8500

Michael S. Leininger, PHYSICIAN, PA, ASST is a cardiac surgeon in Naperville, IL specializing in cardiac surgery and thoracic surgery. Michael S. Leininger, PHYSICIAN, PA, ASST is affiliated with Endeavor Health and Advocate Health Care.

Office Locations

Endeavor Health

10 Martin Avenue Suite 100
Naperville, IL 60540

(630) 416-8500

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Advocate Health Care

2650 Warrenville Road Suite 280
Downers Grove, IL 60515

(630) 324-7900

(630) 271-1813

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333 N Madison Street
Joliet, IL 60435

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Endeavor Health

880 W. Central Road Suite 7100
Arlington Heights, IL 60005

(224) 735-2937

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Noteworthy Medicare Patient Procedures Performed by Michael S. Leininger, PHYSICIAN, PA, ASST in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Affordability:

bypass surgery

cardiac procedures

coronary bypass surgery with artery graft

single bypass surgery

In 2012, Michael S. Leininger, PHYSICIAN, PA, ASST had a list price for bypass surgery, cardiac procedures, coronary bypass surgery with artery graft, heart bypass surgery (CABG), heart surgery, open chest surgery, open heart surgery, and single bypass surgery that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Illinois. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2012 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	64
cardiac procedures	188
open surgery	128
thoracic (chest) surgery procedures	128

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2013 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	29
cardiac procedures	138
open surgery	58
thoracic (chest) surgery procedures	58

2013 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	54
Female	35

**Age**
From 65 to 74	37
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2013

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	0
Atrial Fibrilation	56
Heart Failure	63
Chronic Obstructive Pulmonary Disease	30
Diabetes	49
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2014 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	31
cardiac procedures	136
open surgery	62
thoracic (chest) surgery procedures	62

2014 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	53
Female	32

**Ethnicity**
Non-Hispanic White	72
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2014

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	75
Depression	26
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	45
Heart Failure	55
Chronic Obstructive Pulmonary Disease	34
Diabetes	42
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2015 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	31
cardiac procedures	104
open surgery	62
thoracic (chest) surgery procedures	62

2015 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	74
Female	68

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2015

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	31
Chronic Kidney Disease	42
Asthma	18
Osteoperosis	0
Atrial Fibrilation	44
Heart Failure	51
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	20
Cancer	24

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2016 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	31
cardiac procedures	102
open surgery	62
thoracic (chest) surgery procedures	62

2016 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	42
Female	27

**Age**
From 65 to 74	39
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2016

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	75
Depression	25
Chronic Kidney Disease	62
Asthma	39
Osteoperosis	0
Atrial Fibrilation	55
Heart Failure	51
Chronic Obstructive Pulmonary Disease	35
Diabetes	57
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2017 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	28
cardiac procedures	86
open surgery	56
thoracic (chest) surgery procedures	56

2017 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	39
Female	25

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	28
Chronic Kidney Disease	66
Asthma	0
Osteoperosis	0
Atrial Fibrilation	55
Heart Failure	56
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2018 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	26
cardiac procedures	80
open surgery	52
thoracic (chest) surgery procedures	52

2018 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	46
Female	22

**Age**
From 65 to 74	39
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2018

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	32
Chronic Kidney Disease	54
Asthma	0
Osteoperosis	0
Atrial Fibrilation	41
Heart Failure	44
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2019 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	29
cardiac procedures	100
open surgery	58
thoracic (chest) surgery procedures	58

2019 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	38
Female	20

**Ethnicity**
Non-Hispanic White	43
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	52
Heart Failure	43
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2020 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	44
cardiac procedures	88
open surgery	88
thoracic (chest) surgery procedures	88

2020 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	45
Female	22

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	63
Asthma	0
Osteoperosis	0
Atrial Fibrilation	51
Heart Failure	31
Chronic Obstructive Pulmonary Disease	19
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2021 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	55
cardiac procedures	110
open surgery	110
thoracic (chest) surgery procedures	110

2021 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	51
Female	20

**Ethnicity**
Non-Hispanic White	59
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	31
Chronic Kidney Disease	73
Asthma	0
Osteoperosis	0
Atrial Fibrilation	35
Heart Failure	41
Chronic Obstructive Pulmonary Disease	23
Diabetes	46
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2022 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	38
cardiac procedures	76
open surgery	76
thoracic (chest) surgery procedures	76

2022 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	46
Female	12

**Age**
From 65 to 74	0
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	19
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	62
Heart Failure	36
Chronic Obstructive Pulmonary Disease	0
Diabetes	59
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL during 2023 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

bypass surgery	23
cardiac procedures	46
open surgery	46
thoracic (chest) surgery procedures	46

2023 Medicare Patient Data

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Male	33
Female	14

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2023

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	60
Heart Failure	36
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Michael S. Leininger, PHYSICIAN, PA, ASST for Medicare patients.

The highest averages for the top procedures that Michael S. Leininger, PHYSICIAN, PA, ASST treated as a cardiac surgeon in Naperville, IL were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

bypass surgery	35
cardiac procedures	104
open surgery	71
thoracic (chest) surgery procedures	71

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST.

**Gender**
Female	24
Male	43

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	28
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	12
Less than 65	0
65 to 74	33

Average of Total of Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Michael S. Leininger, PHYSICIAN, PA, ASST treated were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	68
Depression	21
Chronic Kidney Disease	47
Asthma	4
Osteoporosis	0
Heart Failure	42
Chronic Obstructive Pulmonary Disease	19
Diabetes	40
Atrial Fibrillation	46
Dementia	1
Cancer	8

Education & Training

He is certified by the on Certification of Physician Assistants, Physician Assistant and has a state license in Illinois.

Board Certification: on Certification of Physician Assistants, Physician Assistant

Licensed In: Illinois

Affiliations & Hospitals

Michael S. Leininger, PHYSICIAN, PA, ASST is associated with these hospitals and organizations:

Endeavor Health

Advocate Health Care

Ratings & Reviews

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General Payments

These charts describe general payments received by Michael S. Leininger, PHYSICIAN, PA, ASST. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AtriCure, Inc.	$142 EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX $142
Ethicon US, LLC	$126 VISTASEAL $126
Edwards Lifesciences Corporation	$42 INSPIRIS RESILIA aortic valve $27	$15
LeMaitre Vascular, Inc.	$36 TRIVEX SYSTEM $20	RESTOREFLOW $16

**Types of Payments**
Food and Beverage	$345

Select Year:

Michael S. Leininger, PHYSICIAN, PA, ASST

Office Locations

Noteworthy Medicare Patient Procedures Performed by Michael S. Leininger, PHYSICIAN, PA, ASST in 2023

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Michael S. Leininger, PHYSICIAN, PA, ASST From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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