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Home > IN Providers > Thoracic (Chest) Surgeons

Dr. Mary S. Maish, MD

Accepting New Patients

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Specializes in: Thoracic Surgery

Rush Medical College

8111 South Emerson Avenue
Indianapolis, IN 46237

(317) 528-5000

Dr. Mary S. Maish, MD is a thoracic surgeon in Crown Point, IN specializing in thoracic surgery. She graduated from Rush Medical College. Dr. Mary S. Maish, MD is affiliated with Franciscan Health System, BRONSON METHODIST HOSPITAL and WAUKEGAN CLINIC CORP.

Office Locations

Franciscan Health System

12750 Saint Francis Drive
Crown Point, IN 46307

(219) 738-2100

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Franciscan Health System

1701 S Creasy Lane
Lafayette, IN 47905

(765) 502-4000

open_in_new

3900 St. Francis Way Suite 200
Lafayette, IN 47905

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Franciscan Health System

8111 South Emerson Avenue
Indianapolis, IN 46237

(317) 528-5000

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In The News

“She hired Dr. Mary Maish as the new chief medical officer.”—"Waukegan hospital CEO tells civic leaders about the area s health needs; We re getting back to the basics", Chicago Tribune, December 2023

Noteworthy Medicare Patient Procedures Performed by Dr. Mary S. Maish, MD in 2023

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

Top 5%

By Volume:

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophageal manometry

gastrointestinal procedures

therapeutic upper endoscopy

upper endoscopy

By Affordability:

esophagogastroduodenoscopy

therapeutic EGD

therapeutic upper endoscopy

upper endoscopy

In 2023, among providers in related specialties within Indiana, Dr. Mary S. Maish, MD performed more diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophageal manometry, gastrointestinal procedures, therapeutic upper endoscopy, and upper endoscopy procedures for Medicare patients than 95% of them and she also had a list price for esophagogastroduodenoscopy (EGD), therapeutic EGD, therapeutic upper endoscopy, and upper endoscopy that was lower than the list prices billed to Medicare by 95% of them. 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 Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

doctor visit	38
hospital care	176
inpatient care	176

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

doctor visit	54

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	35
Female	48

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2013

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	45
Depression	19
Chronic Kidney Disease	30
Asthma	16
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	33
Diabetes	36
Dementia	0
Cancer	36

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

anastomosis	14
catheterization	14
diagnostic procedures	17
doctor visit	138
gastrointestinal procedures	31
hospital care	67
inpatient care	67
minimally invasive procedures	43
removal of lesion (e.g. growth)	17
thoracic (chest) surgery procedures	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	70
Female	61

**Ethnicity**
Non-Hispanic White	91
Black	0
Hispanic	11
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	41
85 and over	17
Less than 65	22

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	36
Asthma	21
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	30
Diabetes	27
Dementia	11
Cancer	27

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

anastomosis	13
catheterization	13
diagnostic procedures	13
doctor visit	139
gastrointestinal procedures	26
hospital care	82
inpatient care	82
minimally invasive procedures	26
removal of lesion (e.g. growth)	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	114
Female	152

**Ethnicity**
Non-Hispanic White	170
Black	0
Hispanic	36
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	70
85 and over	40
Less than 65	32

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2015

Hypertension	75
High Cholesterol	68
Stroke	17
Ischemic Heart Disease	43
Depression	23
Chronic Kidney Disease	41
Asthma	24
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	41
Chronic Obstructive Pulmonary Disease	32
Diabetes	38
Dementia	11
Cancer	37

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

anastomosis	16
catheterization	16
diagnostic procedures	20
doctor visit	200
gastrointestinal procedures	36
hospital care	48
inpatient care	48
minimally invasive procedures	36
removal of lesion (e.g. growth)	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	68
Female	81

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	0
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	38
85 and over	22
Less than 65	12

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	11
Ischemic Heart Disease	52
Depression	22
Chronic Kidney Disease	35
Asthma	30
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	38
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	13
Cancer	26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2017 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

anastomosis	19
catheterization	19
diagnostic procedures	28
doctor visit	295
gastrointestinal procedures	73
hospital care	106
inpatient care	106
manometry	14
minimally invasive procedures	59
removal of lesion (e.g. growth)	28
tracheal (windpipe) procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	93
Female	84

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	20
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	58
85 and over	20
Less than 65	16

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2017

Hypertension	68
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	44
Asthma	15
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	38
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	21
Cancer	27

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2018 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

anastomosis	13
catheterization	13
diagnostic procedures	21
doctor visit	242
gastrointestinal procedures	45
hospital care	139
inpatient care	139
manometry	11
minimally invasive procedures	34
removal of lesion (e.g. growth)	21
tracheal (windpipe) procedures	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	82
Female	87

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	20
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	59
85 and over	18
Less than 65	15

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2018

Hypertension	74
High Cholesterol	66
Stroke	15
Ischemic Heart Disease	47
Depression	31
Chronic Kidney Disease	44
Asthma	17
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	24
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2019 were hospital care, inpatient care, gastrointestinal procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

diagnostic procedures	25
doctor visit	197
gastrointestinal procedures	39
hospital care	77
inpatient care	77
manometry	14
minimally invasive procedures	25
removal of lesion (e.g. growth)	25

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	50
Female	77

**Age**
From 65 to 74	61
From 75 to 84	44
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2019

Hypertension	67
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	27
Diabetes	25
Dementia	13
Cancer	31

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2020 were gastrointestinal procedures, removal of lesion (e.g. growth), minimally invasive procedures and diagnostic procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

diagnostic procedures	32
doctor visit	209
gastrointestinal procedures	58
hospital care	11
inpatient care	11
manometry	26
minimally invasive procedures	32
removal of lesion (e.g. growth)	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	75
Female	106

**Ethnicity**
Non-Hispanic White	166
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	53
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2020

Hypertension	71
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	40
Depression	27
Chronic Kidney Disease	36
Asthma	14
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	9
Cancer	32

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2021 were gastrointestinal procedures, hospital care, inpatient care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

diagnostic procedures	40
doctor visit	329
gastrointestinal procedures	62
hospital care	50
inpatient care	50
manometry	22
minimally invasive procedures	40
removal of lesion (e.g. growth)	40

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	80
Female	137

**Ethnicity**
Non-Hispanic White	195
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	77
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2021

Hypertension	71
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	19
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	28
Diabetes	23
Dementia	8
Cancer	31

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN during 2022 were gastrointestinal procedures, removal of lesion (e.g. growth), minimally invasive procedures and diagnostic procedures.

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

diagnostic procedures	34
doctor visit	289
gastrointestinal procedures	70
hospital care	24
inpatient care	24
manometry	22
minimally invasive procedures	34
removal of lesion (e.g. growth)	34

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	77
Female	119

**Ethnicity**
Non-Hispanic White	171
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	73
85 and over	23
Less than 65	12

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	22
Asthma	16
Osteoperosis	21
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	29
Diabetes	27
Dementia	7
Cancer	38

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mary S. Maish, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary S. Maish, MD treated as a thoracic surgeon in Crown Point, IN were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

anastomosis	15
catheterization	15
diagnostic procedures	25
doctor visit	193
gastrointestinal procedures	48
hospital care	78
inpatient care	78
manometry	18
minimally invasive procedures	36
removal of lesion (e.g. growth)	25
thoracic (chest) surgery procedures	12
tracheal (windpipe) procedures	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mary S. Maish, MD.

**Gender**
Male	67
Female	86

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	15
Non-Hispanic White	103
Native American / Alaskan Native	0
Hispanic	7
Other	0

**Age**
75 to 84	49
85 and over	12
Less than 65	9
65 to 74	71

Average of Total of Conditions of Medicare patients treated by Dr. Mary S. Maish, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mary S. Maish, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	66
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	32
Asthma	15
Osteoporosis	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	26
Diabetes	30
Atrial Fibrillation	15
Dementia	10
Cancer	27

Education & Training

Dr. Mary S. Maish, MD graduated from Rush Medical College. She completed residency at University of Michigan Affiliated Hospitals. She is certified by the American Board of Surgery and has a state license in Illinois.

Medical School: Rush Medical College

Residency: University of Michigan Affiliated Hospitals

Board Certification: American Board of Surgery

Licensed In: Illinois

Affiliations & Hospitals

Dr. Mary S. Maish, MD is associated with these hospitals and organizations:

Franciscan Health System

BRONSON METHODIST HOSPITAL

WAUKEGAN CLINIC CORP

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Mary S. Maish, MD appears to accept the following insurance providers: Labor & Industries, United Healthcare, Aetna, Medicaid, Humana, Cofinity, Railroad Medicare, Cigna, Anthem, Sagamore, Private Healthcare Systems (PHCS), Managed Health Services MarketPlace, Encore Health Network, Managed Health Services, SIHO, CareSource, Lutheran Preferred, Medicare IN, Community Health Alliance and Devoted Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Mary S. Maish, MD accepts the following insurance providers:

Labor & Industries

United Healthcare

Aetna

Medicaid

Humana

Cofinity

Railroad Medicare

Cigna

Anthem

Sagamore

Private Healthcare Systems (PHCS)

Managed Health Services MarketPlace

Encore Health Network

Managed Health Services

SIHO

CareSource

Lutheran Preferred

Medicare IN

Community Health Alliance

Devoted Health

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Mary S. Maish, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Intuitive Surgical, Inc.	$32,328 Da Vinci Surgical System $32,328
Medical Device Business Services, Inc.	$20,780 $20,780
Ethicon US, LLC	$4,789 LINX Reflux Management System $361	Energy Harmonic $20	ENDURANCE $16	Mesh $15	ECHELON FLEX Stapler $14	Other $4,363
Torax Medical, Inc.	$1,526 LINX $1,526
Ethicon Inc.	$1,138 LINX Reflux Management System $1,138
Other	$1,905 PHASIX $474	Phasix Mesh $260	EsophyX $150	ThunderBeat $138	SURGICAL $138	Other $746

**Types of Payments**
Education	$32,000
Consulting Fee	$24,999
Food and Beverage	$3,573
Travel and Lodging	$1,876
Entertainment	$16

Biography

Dr. Mary Maish is a physician who specializes in thoracic surgery. Anthem, Cofinity, and Blue California seem to be the insurance carriers that Dr. Maish accepts. She graduated from Rush Medical College and then she performed her residency at a hospital affiliated with Baylor College of Medicine and a hospital affiliated with the University of Michigan. Dr. Maish is professionally affiliated with Franciscan Health System. Dr. Maish has an open panel in Lafayette, IN according to Franciscan Health.

Select Year:

Dr. Mary S. Maish, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Mary S. Maish, MD in 2023

By Volume:

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 Dr. Mary S. Maish, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary S. Maish, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mary S. Maish, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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