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Home > IN Providers > Neurologists

Dr. Mark A. Simaga, MD

(19 Ratings)

Specializes in: Neurology (Brain & Spinal Cord Disease) and Neurosurgery

Rush Medical College

Professional interests include: myasthenia gravis, peripheral neuropathy, muscular dystrophy, and more.

3800 St. Mary Drive Suite 101
Valparaiso, IN 46383

(219) 947-6960

Dr. Mark A. Simaga, MD is a neurologist in Hobart, IN specializing in neurology (brain & spinal cord disease) and neurosurgery. He graduated from Rush Medical College. Dr. Mark A. Simaga, MD is affiliated with Powers Health and Powers Health Medical Group, Powers Health Partners.

Office Locations

1600 S. Lake Park Avenue Suite 1103
Hobart, IN 46342

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Powers Health Medical Group, Powers Health Partners

3800 St. Mary Drive Suite 101
Valparaiso, IN 46383

(219) 947-6960

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Some issues Dr. Mark A. Simaga, MD can help you with:

Lyme Disease

Lyme disease is a condition caused by bacteria (borrelia burgdorferi) that are transmitted via infected ticks. Most cases of Lyme disease are found in the United States East Coast and parts of the Midwest. The three main vectors of transmission for Lyme disease are:

Blacklegged (deer) ticks, which spread Lyme disease in the Northeastern, North -Central, and mid-Atlantic United States.
Western blacklegged ticks, which spread Lyme disease in the Pacific and Coastal regions of the United States.
A mother infected with Lyme disease may pass it onto a fetus.

As background, ticks lay on the tops of grass and brush, clutching onto leaves with their legs and with their arms outstretched. This formation is called "questing" and allows ticks to quickly latch onto passers-by. Within two hours of biting a person's skin, the tick slowly begins to feed from the blood of its host, which can transmit the bacteria that causes Lyme disease. This tick activity generally occurs seasonally and tick bites mostly occur during the springtime.

After being infected, people with Lyme disease may develop symptoms like fever, exhaustion, headache, joint aches, and skin rash, usually three to thirty days after the tick bite. Lyme disease is characterized by a particular skin rash called erythema migrans, which is an enlarged red rash that starts at the site of the tick bite and expands outwards. The rash is a strong indicator that someone has developed or is at risk of developing Lyme disease.

In the following few months, symptoms may worsen and progress to include:

Facial palsy (facial droop)
Headache and neck pain
Arthritis
Nerve pain and numbness
Spinal and brain inflammation
Abnormal heart rhythm (Lyme carditis)

Most cases of Lyme disease dissipate over a few months. Lyme disease may be cured by a course of oral antibiotics, such as amoxicillin or doxycycline. Other treatments may include:

Nerve blocking drugs for pain, such as gabapentin
Topical ointments for rashes

People can take action to prevent Lyme disease by exercising caution when in environments with ticks. Using insect repellant and wearing long socks and protecting clothing can help prevent tick bites. Outdoor enthusiasts should regularly perform "tick checks," evaluating their skin for small ticks, especially in areas where ticks may easily burrow. Showering within two hours of returning indoors also can reduce the likelihood of developing Lyme disease.

In The News

“Free health screenings, vendor booths and continental breakfast will be offered at 8 a.m. Emergency medicine physician Lauren Rutili, DO; neurologist Mark Simaga, MD; and cardiologist Kais Yehyawi,...”—"Community news", Chicago Tribune, April 2022

“This was one of the more trickier questions asked to me by Dr. Mark Simaga, a neurologist for Community Healthcare System, during my recent cognitive memory test in his office.”—"Column: Memory loss concerns? Prevention can be as simple as going for a walk", Chicago Tribune, March 2021

“Dr. Mark Simaga, a neuroscience specialist for Community Healthcare System, has diagnosed and treated various forms of dementia, mild cognitive impairment, and Alzheimer's disease for more than 30...”—"Column: Memory loss concerns? Don't be scared of getting tested like I did.", Chicago Tribune, February 2021

Noteworthy Medicare Patient Procedures Performed by Dr. Mark A. Simaga, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. Mark A. Simaga, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Indiana.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	37
hospital care	673
inpatient care	673

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2013 were hospital care, inpatient care, electroencephalography (EEG) and nursing home care.

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	408
electroencephalography (EEG)	55
hospital care	1182
inpatient care	1182
nursing home care	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	219
Female	277

**Ethnicity**
Non-Hispanic White	418
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	171
85 and over	90
Less than 65	98

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	38
Ischemic Heart Disease	57
Depression	40
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Dementia	36
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2014 were hospital care, inpatient care, electroencephalography (EEG) and nursing home care.

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	577
electroencephalography (EEG)	37
hospital care	1316
inpatient care	1316
nursing home care	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	234
Female	307

**Ethnicity**
Non-Hispanic White	461
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	166
85 and over	93
Less than 65	113

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	40
Ischemic Heart Disease	51
Depression	40
Chronic Kidney Disease	43
Asthma	13
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	38
Chronic Obstructive Pulmonary Disease	33
Diabetes	45
Dementia	38
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2015 were hospital care, inpatient care, electroencephalography (EEG) and nursing home care.

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	540
electroencephalography (EEG)	34
hospital care	1630
inpatient care	1630
nursing home care	18

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	508
Female	634

**Ethnicity**
Non-Hispanic White	934
Black	116
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	352
85 and over	232
Less than 65	226

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2015

Hypertension	75
High Cholesterol	62
Stroke	43
Ischemic Heart Disease	57
Depression	37
Chronic Kidney Disease	55
Asthma	23
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	45
Chronic Obstructive Pulmonary Disease	34
Diabetes	44
Dementia	39
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2016 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	550
electroencephalography (EEG)	36
hospital care	1353
inpatient care	1353

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	245
Female	270

**Ethnicity**
Non-Hispanic White	418
Black	0
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	172
85 and over	90
Less than 65	88

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	40
Ischemic Heart Disease	56
Depression	37
Chronic Kidney Disease	55
Asthma	33
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	30
Diabetes	43
Dementia	37
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2017 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	505
electroencephalography (EEG)	32
hospital care	978
inpatient care	978

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	196
Female	240

**Ethnicity**
Non-Hispanic White	370
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	126
85 and over	80
Less than 65	95

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2017

Hypertension	75
High Cholesterol	50
Stroke	35
Ischemic Heart Disease	53
Depression	35
Chronic Kidney Disease	52
Asthma	11
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	36
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	38
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2018 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	718
electroencephalography (EEG)	40
hospital care	1302
inpatient care	1302

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	233
Female	286

**Ethnicity**
Non-Hispanic White	442
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	149
85 and over	96
Less than 65	101

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	39
Ischemic Heart Disease	51
Depression	37
Chronic Kidney Disease	55
Asthma	8
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	41
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	38
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2019 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	754
electroencephalography (EEG)	36
hospital care	1357
inpatient care	1357

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	219
Female	311

**Ethnicity**
Non-Hispanic White	456
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	172
85 and over	94
Less than 65	101

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	36
Ischemic Heart Disease	52
Depression	34
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	41
Dementia	37
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2020 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	485
electroencephalography (EEG)	12
hospital care	968
inpatient care	968

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	186
Female	264

**Ethnicity**
Non-Hispanic White	399
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	156
85 and over	80
Less than 65	74

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2020

Hypertension	75
High Cholesterol	63
Stroke	37
Ischemic Heart Disease	55
Depression	35
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	40
Chronic Obstructive Pulmonary Disease	30
Diabetes	42
Dementia	38
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2021 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	558
electroencephalography (EEG)	14
hospital care	919
inpatient care	919

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	172
Female	261

**Ethnicity**
Non-Hispanic White	381
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	149
85 and over	74
Less than 65	64

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2021

Hypertension	75
High Cholesterol	70
Stroke	38
Ischemic Heart Disease	51
Depression	38
Chronic Kidney Disease	52
Asthma	9
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	30
Diabetes	42
Dementia	36
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN during 2022 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

doctor visit	463
electroencephalography (EEG)	19
hospital care	941
inpatient care	941

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	203
Female	239

**Ethnicity**
Non-Hispanic White	386
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	154
85 and over	78
Less than 65	60

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	50
Ischemic Heart Disease	42
Depression	35
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	17
Atrial Fibrilation	30
Heart Failure	34
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	29
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark A. Simaga, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark A. Simaga, MD treated as a neurologist in Hobart, IN were hospital care, inpatient care, electroencephalography (EEG) and nursing home care.

doctor visit	508
electroencephalography (EEG)	31
hospital care	1147
inpatient care	1147
nursing home care	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark A. Simaga, MD.

**Gender**
Male	219
Female	280

**Ethnicity**
Black / African American	29
Asian / Pacific Islander	0
Non-Hispanic White	424
Native American / Alaskan Native	0
Hispanic	9
Other	0

**Age**
75 to 84	160
85 and over	91
Less than 65	92
65 to 74	155

Average of Total of Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	57
Stroke	36
Ischemic Heart Disease	47
Depression	33
Chronic Kidney Disease	45
Asthma	13
Osteoporosis	9
Heart Failure	34
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Atrial Fibrillation	19
Dementia	33
Cancer	11

Education & Training

Dr. Mark A. Simaga, MD graduated from Rush Medical College. He completed residency at Rush University Medical Center. He is certified by the Board Certification: Neurology and has a state license in Indiana.

Medical School: Rush Medical College

Residency: Rush University Medical Center

Board Certification: Board Certification: Neurology

Licensed In: Indiana

Affiliations & Hospitals

Dr. Mark A. Simaga, MD is associated with these hospitals and organizations:

Powers Health

Powers Health Medical Group, Powers Health Partners

Ratings & Reviews

Dr. Mark A. Simaga, MD has an exceptional overall rating with an average of 4.6 out of 5 stars based on 19 ratings. We collect ratings and reviews of Dr. Mark A. Simaga, MD from all over the web to help you find the right in Hobart, IN.

4.6

Overall Rating

(19 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$1,532 Gilenya $585	MAYZENT $374	KESIMPTA $299	Aimovig $185	EXELON PATCH $61	Other $28
Teva Pharmaceuticals USA, Inc.	$992 AJOVY $346	Zecuity $131	AUSTEDO $108	COPAXONE $74	Austedo XR $34	Other $299
Supernus Pharmaceuticals, Inc.	$943 TROKENDI XR $675	OXTELLAR XR $268
Cyberonics, Inc.	$874 VNS Therapy $874
Amgen Inc.	$745 Aimovig $465	Repatha $121	$160
Other	$9,664 NURTEC ODT $883	AUBAGIO $692	APTIOM $607	Nuedexta $525	UBRELVY $445	Other $6,512

**Types of Payments**
Food and Beverage	$13,866
Travel and Lodging	$441
Education	$405
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$39

Biography

Dr. Mark Simaga is a medical specialist in neurosurgery and neurology (brain & spinal cord disease). His patients gave him an average rating of 4.5 stars (out of 5). Dr. Simaga's areas of expertise include neurofibromatosis, myasthenia gravis, and lyme disease. He attended Rush Medical College for medical school and subsequently trained at Rush University Medical Center for residency. He is affiliated with Powers Health and St. Mary's Hospital.

Select Year:

Dr. Mark A. Simaga, MD

Office Locations

Some issues Dr. Mark A. Simaga, MD can help you with:

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Mark A. Simaga, MD in 2023

By Volume:

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. Mark A. Simaga, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. Simaga, 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. Mark A. Simaga, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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