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Dr. Michael Emanuel Grillis, DO

Accepting New Patients

(101 Ratings)

Specializes in: General Surgery

West Virginia School of Osteopathic Medicine

715 S Taft Avenue
Fremont, OH 43420

(419) 291-3000

Dr. Michael Emanuel Grillis, DO is a general surgeon in Fremont, OH specializing in general surgery. He graduated from West Virginia School of Osteopathic Medicine. Dr. Michael Emanuel Grillis, DO is affiliated with ProMedica, Firelands Health, ProMedica Provider and MEMORIAL PROFESSIONAL SERVICES LTD.

Office Locations

2281 Hayes Avenue
Fremont, OH 43420

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ProMedica Provider

715 S Taft Avenue
Fremont, OH 43420

(419) 291-3000

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael Emanuel Grillis, DO in 2023

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

Top 5%

By Volume:

colonoscopy

endoscopy

gastrointestinal procedures

In 2023, Dr. Michael Emanuel Grillis, DO performed more colonoscopy, endoscopy, and gastrointestinal procedures procedures for Medicare patients than 95% of providers in related specialties within Ohio.

Top 10%

By Volume:

colonoscopy with biopsy

colonoscopy with lesion removal

gastrointestinal biopsy

preventive care

removal of lesion

screening colonoscopy

In 2023, Dr. Michael Emanuel Grillis, DO performed more colonoscopy with biopsy, colonoscopy with lesion removal, gastrointestinal biopsy, preventive care, removal of lesion (e.g. growth), and screening colonoscopy procedures for Medicare patients than 90% of providers in related specialties within Ohio.

Top 25%

By Volume:

EGD with biopsy

EGD with lesion removal

In 2012, Dr. Michael Emanuel Grillis, DO performed more EGD with biopsy, and EGD with lesion removal procedures for Medicare patients than 75% of providers in related specialties within Ohio.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	105
doctor visit	347
gastrointestinal procedures	148
hospital care	22
inpatient care	22
minimally invasive procedures	148
preventive care	43
removal of lesion (e.g. growth)	105

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	112
doctor visit	377
gastrointestinal procedures	165
hospital care	65
inpatient care	65
minimally invasive procedures	165
preventive care	53
removal of lesion (e.g. growth)	112

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	140
Female	158

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	87
85 and over	39
Less than 65	30

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2013

Hypertension	71
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	17
Asthma	4
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

catheterization	11
diagnostic procedures	100
doctor visit	348
gastrointestinal procedures	161
hospital care	72
inpatient care	72
minimally invasive procedures	161
preventive care	61
removal of lesion (e.g. growth)	100

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	126
Female	137

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	92
85 and over	23
Less than 65	28

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2014

Hypertension	70
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	6
Cancer	23

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	91
doctor visit	391
gastrointestinal procedures	140
hospital care	35
inpatient care	35
minimally invasive procedures	140
preventive care	49
removal of lesion (e.g. growth)	91

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	238
Female	310

**Ethnicity**
Non-Hispanic White	502
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	148
85 and over	74
Less than 65	64

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2015

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	8
Cancer	22

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	97
doctor visit	301
gastrointestinal procedures	146
hospital care	73
inpatient care	59
minimally invasive procedures	146
outpatient care	14
preventive care	49
removal of lesion (e.g. growth)	97

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	129
Female	145

**Ethnicity**
Non-Hispanic White	242
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	74
85 and over	28
Less than 65	47

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2016

Hypertension	73
High Cholesterol	47
Stroke	7
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	30
Asthma	27
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	146
doctor visit	340
gastrointestinal procedures	187
hospital care	43
inpatient care	43
minimally invasive procedures	187
preventive care	41
removal of lesion (e.g. growth)	146

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	138
Female	156

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	77
85 and over	31
Less than 65	48

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2017

Hypertension	74
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	30
Depression	30
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	26
Diabetes	32
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	158
doctor visit	367
gastrointestinal procedures	206
hospital care	31
inpatient care	31
minimally invasive procedures	206
preventive care	48
removal of lesion (e.g. growth)	158

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	149
Female	179

**Ethnicity**
Non-Hispanic White	301
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	84
85 and over	34
Less than 65	48

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2018

Hypertension	72
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	6
Cancer	19

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	200
doctor visit	401
gastrointestinal procedures	268
hospital care	78
injections	11
inpatient care	78
minimally invasive procedures	268
preventive care	57
removal of lesion (e.g. growth)	200

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	168
Female	193

**Ethnicity**
Non-Hispanic White	326
Black	12
Hispanic	12
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	92
85 and over	34
Less than 65	53

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2019

Hypertension	71
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	26
Depression	26
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	137
doctor visit	318
gastrointestinal procedures	177
hospital care	95
inpatient care	95
minimally invasive procedures	177
preventive care	40
removal of lesion (e.g. growth)	137

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	163
Female	168

**Ethnicity**
Non-Hispanic White	291
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	85
85 and over	33
Less than 65	50

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2020

Hypertension	69
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	166
doctor visit	342
gastrointestinal procedures	213
hospital care	40
inpatient care	40
minimally invasive procedures	213
preventive care	47
removal of lesion (e.g. growth)	166

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	161
Female	151

**Ethnicity**
Non-Hispanic White	282
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	89
85 and over	23
Less than 65	38

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2021

Hypertension	73
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	40
Asthma	4
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

diagnostic procedures	209
doctor visit	284
gastrointestinal procedures	283
hospital care	44
inpatient care	44
minimally invasive procedures	283
preventive care	74
removal of lesion (e.g. growth)	209

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	211
Female	159

**Ethnicity**
Non-Hispanic White	332
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	112
85 and over	33
Less than 65	36

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2022

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	18
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	5
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael Emanuel Grillis, DO for Medicare patients.

The highest averages for the top procedures that Dr. Michael Emanuel Grillis, DO treated as a general surgeon in Fremont, OH were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

catheterization	11
diagnostic procedures	138
doctor visit	346
gastrointestinal procedures	190
hospital care	54
injections	11
inpatient care	53
minimally invasive procedures	190
outpatient care	14
preventive care	51
removal of lesion (e.g. growth)	138

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael Emanuel Grillis, DO.

**Gender**
Male	147
Female	159

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	279
Native American / Alaskan Native	0
Hispanic	6
Other	2

**Age**
75 to 84	85
85 and over	32
Less than 65	40
65 to 74	149

Average of Total of Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Michael Emanuel Grillis, DO treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	65
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	26
Asthma	8
Osteoporosis	6
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Atrial Fibrillation	13
Dementia	7
Cancer	17

Education & Training

Dr. Michael Emanuel Grillis, DO graduated from West Virginia School of Osteopathic Medicine. He completed residency at New York Medical College Affiliated Hospitals. He is certified by the Board Certification: American Osteopathic Association - General Surgery and has a state license in Ohio.

Medical School: West Virginia School of Osteopathic Medicine

Residency: New York Medical College Affiliated Hospitals

Board Certification: Board Certification: American Osteopathic Association - General Surgery

Licensed In: Ohio

Affiliations & Hospitals

Dr. Michael Emanuel Grillis, DO is associated with these hospitals and organizations:

ProMedica

Firelands Health

ProMedica Provider

MEMORIAL PROFESSIONAL SERVICES LTD

Ratings & Reviews

Dr. Michael Emanuel Grillis, DO has an exceptional overall rating with an average of 4.77 out of 5 stars based on 101 ratings. We collect ratings and reviews of Dr. Michael Emanuel Grillis, DO from all over the web to help you find the right in Fremont, OH.

4.77

Overall Rating

(101 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2025-03-19

Patient verified via Press Ganey

Great again

General Payments

These charts describe general payments received by Dr. Michael Emanuel Grillis, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Intuitive Surgical, Inc.	$9,633 Da Vinci Surgical System $8,633	DAVINCI XI $1,000
Janssen Pharmaceuticals, Inc	$119 XARELTO $119
Allergan Inc.	$71 STRATTICE $71
Allergan, Inc.	$38 STRATTICE $38
Smith+Nephew, Inc.	$33 GRAFIX PL $21	STRAVIX $12
Other	$13 SUTAB $13

**Types of Payments**
Education	$5,000
Travel and Lodging	$4,130
Food and Beverage	$675
Gift	$104

Biography

Dr. Michael Grillis sees patients in Fremont, OH. His medical specialty is general surgery. His patients gave him an average rating of 5.0 stars (out of 5). He graduated from West Virginia School of Osteopathic Medicine. For his residency, Dr. Grillis trained at South Pointe Hospital and a hospital affiliated with New York Medical College. He speaks Greek. His hospital/clinic affiliations include Firelands Health and ProMedica. According to Doctor.com, new patients are welcome to contact Dr. Grillis's office in Fremont, OH.

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Dr. Michael Emanuel Grillis, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael Emanuel Grillis, DO in 2023

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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. Michael Emanuel Grillis, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Emanuel Grillis, DO 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. Michael Emanuel Grillis, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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