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Dr. Neal S. Greenfield, MD

(Neal S. Greenfield, MD)

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Specializes in: Pulmonology (Lung & Respiratory Disease), General Practice and Critical Care (Intensive Care Medicine)

Virginia Commonwealth University (VCU) School of Medicine (2005)

25 N Winfield Road Suite 202
Winfield, IL 60190

(630) 933-4700

Dr. Neal S. Greenfield, MD is a pulmonologist in Winfield, IL specializing in pulmonology (lung & respiratory disease), general practice and critical care (intensive care medicine). He graduated from Virginia Commonwealth University (VCU) School of Medicine in 2005 and has 21 years of experience. Dr. Neal S. Greenfield, MD is affiliated with Northwestern Medicine and Northwestern Medicine Regional Medical Group.

Office Locations

25 N Winfield Road Suite 202
Winfield, IL 60190

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300 Randall Road
Geneva, IL 60134

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In The News

“"It was certainly unusual how quickly he went from a period of apparent stability to requiring ventilatory support," said Dr. Neal Greenfield, a critical care physician who helped care for Michael...”—"Why overcoming Covid-19 is just the first hurdle of a much longer journey", CNN, May 2020

Noteworthy Medicare Patient Procedures Performed by Dr. Neal S. Greenfield, MD in 2023

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Neal S. Greenfield, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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 Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2012 were catheterization.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2013 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	22
hospital care	68
inpatient care	68
tracheal (windpipe) procedures	13

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	168
Female	180

**Ethnicity**
Non-Hispanic White	312
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	123
85 and over	67
Less than 65	37

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2013

Hypertension	75
High Cholesterol	74
Stroke	28
Ischemic Heart Disease	64
Depression	39
Chronic Kidney Disease	59
Asthma	15
Osteoperosis	16
Atrial Fibrilation	41
Heart Failure	57
Chronic Obstructive Pulmonary Disease	38
Diabetes	44
Dementia	22
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2014 were hospital care, inpatient care, tracheal (windpipe) procedures and catheterization.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	18
hospital care	118
inpatient care	118
tracheal (windpipe) procedures	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	196
Female	179

**Ethnicity**
Non-Hispanic White	328
Black	0
Hispanic	18
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	123
85 and over	70
Less than 65	39

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	25
Ischemic Heart Disease	63
Depression	39
Chronic Kidney Disease	56
Asthma	10
Osteoperosis	16
Atrial Fibrilation	40
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	42
Dementia	24
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2015 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	12
hospital care	95
inpatient care	95

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	338
Female	294

**Ethnicity**
Non-Hispanic White	560
Black	0
Hispanic	22
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	214
85 and over	118
Less than 65	78

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	24
Ischemic Heart Disease	59
Depression	41
Chronic Kidney Disease	60
Asthma	23
Osteoperosis	13
Atrial Fibrilation	35
Heart Failure	48
Chronic Obstructive Pulmonary Disease	39
Diabetes	45
Dementia	26
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2016 were hospital care, inpatient care and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

hospital care	154
inpatient care	154
tracheal (windpipe) procedures	16

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	170
Female	137

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	100
85 and over	53
Less than 65	33

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	27
Ischemic Heart Disease	62
Depression	43
Chronic Kidney Disease	67
Asthma	40
Osteoperosis	15
Atrial Fibrilation	37
Heart Failure	52
Chronic Obstructive Pulmonary Disease	37
Diabetes	40
Dementia	37
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2017 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	14
hospital care	182
inpatient care	182

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	160
Female	168

**Ethnicity**
Non-Hispanic White	295
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	116
85 and over	65
Less than 65	35

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	27
Ischemic Heart Disease	57
Depression	47
Chronic Kidney Disease	64
Asthma	9
Osteoperosis	13
Atrial Fibrilation	34
Heart Failure	54
Chronic Obstructive Pulmonary Disease	30
Diabetes	46
Dementia	35
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

hospital care	130
inpatient care	130

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	149
Female	149

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	106
85 and over	55
Less than 65	35

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	57
Depression	45
Chronic Kidney Disease	66
Asthma	9
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	51
Chronic Obstructive Pulmonary Disease	31
Diabetes	46
Dementia	33
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2019 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	12
hospital care	193
inpatient care	193
tracheal (windpipe) procedures	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	141
Female	178

**Ethnicity**
Non-Hispanic White	271
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	110
85 and over	60
Less than 65	25

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	58
Depression	47
Chronic Kidney Disease	65
Asthma	8
Osteoperosis	16
Atrial Fibrilation	36
Heart Failure	53
Chronic Obstructive Pulmonary Disease	31
Diabetes	45
Dementia	32
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2020 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	23
hospital care	262
inpatient care	262
tracheal (windpipe) procedures	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	164
Female	170

**Ethnicity**
Non-Hispanic White	284
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	112
85 and over	57
Less than 65	37

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	25
Ischemic Heart Disease	53
Depression	42
Chronic Kidney Disease	67
Asthma	12
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	50
Chronic Obstructive Pulmonary Disease	33
Diabetes	46
Dementia	31
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2021 were hospital care, inpatient care and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

hospital care	207
inpatient care	207
tracheal (windpipe) procedures	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	139
Female	139

**Ethnicity**
Non-Hispanic White	242
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	100
85 and over	35
Less than 65	26

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	30
Ischemic Heart Disease	58
Depression	40
Chronic Kidney Disease	68
Asthma	10
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	41
Dementia	29
Cancer	22

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2022 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

catheterization	13
hospital care	201
inpatient care	201

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	142
Female	118

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	89
85 and over	50
Less than 65	24

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	37
Ischemic Heart Disease	58
Depression	35
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	15
Atrial Fibrilation	49
Heart Failure	52
Chronic Obstructive Pulmonary Disease	35
Diabetes	45
Dementia	21
Cancer	23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

hospital care	182
inpatient care	182

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Male	127
Female	120

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	11
Other	13
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	96
85 and over	39
Less than 65	27

Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	34
Ischemic Heart Disease	61
Depression	35
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	18
Atrial Fibrilation	49
Heart Failure	53
Chronic Obstructive Pulmonary Disease	30
Diabetes	45
Dementia	24
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Neal S. Greenfield, MD for Medicare patients.

The highest averages for the top procedures that Dr. Neal S. Greenfield, MD treated as a pulmonologist in Winfield, IL were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

catheterization	15
hospital care	162
inpatient care	162
tracheal (windpipe) procedures	13

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Neal S. Greenfield, MD.

**Gender**
Female	152
Male	157

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	4
Non-Hispanic White	273
Native American / Alaskan Native	0
Hispanic	11
Other	1

**Age**
75 to 84	107
85 and over	55
Less than 65	33
65 to 74	114

Average of Total of Conditions of Medicare patients treated by Dr. Neal S. Greenfield, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	66
Stroke	25
Ischemic Heart Disease	54
Depression	37
Chronic Kidney Disease	55
Asthma	13
Osteoporosis	13
Heart Failure	47
Chronic Obstructive Pulmonary Disease	30
Diabetes	40
Atrial Fibrillation	34
Dementia	26
Cancer	18

Education & Training

Dr. Neal S. Greenfield, MD graduated from Virginia Commonwealth University (VCU) School of Medicine in 2005. He completed residency at Virginia Commonwealth University (VCU) Affiliated Hospitals. He is certified by the American Board of Internal Medicine/Pulmonary Disease - Pulmonary Disease (Certified) and has a state license in Illinois.

Medical School: Virginia Commonwealth University (VCU) School of Medicine (2005)

Residency: Virginia Commonwealth University (VCU) Affiliated Hospitals (2008)

Board Certification: American Board of Internal Medicine/Pulmonary Disease - Pulmonary Disease (Certified)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Neal S. Greenfield, MD is associated with these hospitals and organizations:

Northwestern Medicine

Northwestern Medicine Regional Medical Group

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Biography

Dr. Neal Greenfield works as a general practice, pulmonology (lung & respiratory disease), and critical care (intensive care medicine). He attended medical school at Virginia Commonwealth University (VCU) School of Medicine. His residency was performed at a hospital affiliated with Virginia Commonwealth University (VCU). Dr. Greenfield is affiliated with Northwestern Medicine Central DuPage Hospital and Delnor Hospital. Unfortunately, according to Yext, he is not currently accepting new patients.