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Home > TN Providers > Neurosurgeons

Dr. Ronald T. Zellem, MD

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Specializes in: Neurosurgery

800 Austin Street Suite 363
Evanston, IL 60202

(847) 316-7055

Dr. Ronald T. Zellem, MD is a neurosurgeon in Hendersonville, TN specializing in neurosurgery.

Office Locations

119 Hidden Point
Hendersonville, TN 37075

(615) 944-3053

(615) 822-8032

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301 Madison Street Suite 300
Joliet, IL 60435

(815) 725-4367

(815) 725-4863

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800 Austin Street Suite 363
Evanston, IL 60202

(847) 316-7055

(847) 316-7056

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2012 were hospital care, inpatient care and cranial surgery.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

cranial surgery	11
hospital care	195
inpatient care	195

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	166
inpatient care	166

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	54
Female	44

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	31
From 75 to 84	32
85 and over	20
Less than 65	15

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	34
Ischemic Heart Disease	36
Depression	34
Chronic Kidney Disease	41
Asthma	11
Osteoperosis	14
Atrial Fibrilation	23
Heart Failure	28
Chronic Obstructive Pulmonary Disease	34
Diabetes	41
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	101
inpatient care	101

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	55
Female	55

**Age**
From 65 to 74	26
From 75 to 84	46
85 and over	18
Less than 65	20

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	26
Ischemic Heart Disease	35
Depression	40
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	18
Atrial Fibrilation	27
Heart Failure	32
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	30
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	66
inpatient care	66

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	82
Female	88

**Age**
From 65 to 74	40
From 75 to 84	50
85 and over	42
Less than 65	38

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	42
Ischemic Heart Disease	40
Depression	47
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	20
Atrial Fibrilation	28
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	40
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	78
inpatient care	78

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	30
Female	36

**Age**
From 65 to 74	19
From 75 to 84	16
85 and over	16
Less than 65	15

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2016

Hypertension	75
High Cholesterol	47
Stroke	35
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	33
Asthma	36
Osteoperosis	20
Atrial Fibrilation	23
Heart Failure	30
Chronic Obstructive Pulmonary Disease	36
Diabetes	29
Dementia	33
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	144
inpatient care	144

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	38
Female	56

**Age**
From 65 to 74	24
From 75 to 84	30
85 and over	18
Less than 65	22

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	35
Ischemic Heart Disease	51
Depression	46
Chronic Kidney Disease	48
Asthma	0
Osteoperosis	16
Atrial Fibrilation	24
Heart Failure	28
Chronic Obstructive Pulmonary Disease	44
Diabetes	39
Dementia	39
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	104
inpatient care	104

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	36
Female	35

**Age**
From 65 to 74	18
From 75 to 84	27
85 and over	14
Less than 65	12

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	28
Ischemic Heart Disease	49
Depression	45
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	38
Diabetes	44
Dementia	27
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

hospital care	115
inpatient care	115

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Male	29
Female	29

**Age**
From 65 to 74	0
From 75 to 84	18
85 and over	22
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	52
Ischemic Heart Disease	57
Depression	45
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	28
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	45
Dementia	36
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

Volume of procedures performed by Dr. Ronald T. Zellem, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald T. Zellem, MD treated as a neurosurgeon in Hendersonville, TN were hospital care, inpatient care and cranial surgery.

cranial surgery	11
hospital care	121
inpatient care	121

Average Medicare Patient Data From 2012 - 2019

Information about Medicare patients treated by Dr. Ronald T. Zellem, MD.

**Gender**
Female	42
Male	40

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	10
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	18
75 to 84	27
Less than 65	15
65 to 74	19

Average of Total of Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD From 2012 - 2019

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

Hypertension	65
High Cholesterol	52
Stroke	31
Ischemic Heart Disease	39
Depression	36
Chronic Kidney Disease	36
Asthma	7
Osteoporosis	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	28
Diabetes	34
Atrial Fibrillation	21
Dementia	25
Cancer	7

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Ratings & Reviews

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General Payments

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

**Payments by Company**
Aesculap Implant Systems, LLC	$17,961 Spine $17,961
Kinamed, Inc.	$7,540 $7,540

**Types of Payments**
Royalty or License	$25,501

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Dr. Ronald T. Zellem, MD

Office Locations

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. Ronald T. Zellem, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD in 2019

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

Average Medicare Patient Data From 2012 - 2019

Average of Total of Conditions of Medicare patients treated by Dr. Ronald T. Zellem, MD From 2012 - 2019

Education & Training

Ratings & Reviews

General Payments

Biography

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