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Dr. Keith Marcus, MD

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Specializes in: Internal Medicine (Adult Medicine) and Hospital Medicine (Hospitalist)

University of Iowa, Carver College of Medicine (1985)

1560 E Sherman Boulevard Suite 240
Muskegon, MI 49444

(231) 672-3883

Dr. Keith Marcus, MD is an internist in Ludington, MI specializing in internal medicine (adult medicine) and hospital medicine (hospitalist). He graduated from University of Iowa, Carver College of Medicine in 1985 and has 39 years of experience. Dr. Keith Marcus, MD is affiliated with Trinity Health, Trinity Health Muskegon Hospital, WMI Not Employed and SOUND INPATIENT PHYSICIANS-MICHIGAN PLLC.

Office Locations

Address:

1 Atkinson Drive
Ludington, MI 49431

Address:

1560 E Sherman Boulevard Suite 240
Muskegon, MI 49444

cardiac procedures	11
hospital care	1075
inpatient care	1017
outpatient care	58
stress testing	11

**Gender**
Male	241
Female	266

**Age**
From 65 to 74	146
From 75 to 84	160
85 and over	97
Less than 65	104

Hypertension	75
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	61
Depression	36
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	15
Atrial Fibrilation	27
Heart Failure	49
Chronic Obstructive Pulmonary Disease	47
Diabetes	44
Dementia	19
Cancer	17

cardiac procedures	19
hospital care	925
inpatient care	858
outpatient care	67
stress testing	19

**Gender**
Male	227
Female	250

**Ethnicity**
Non-Hispanic White	466
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	145
85 and over	112
Less than 65	90

Hypertension	75
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	61
Depression	37
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	49
Chronic Obstructive Pulmonary Disease	45
Diabetes	47
Dementia	23
Cancer	17

cardiac procedures	12
hospital care	826
inpatient care	766
outpatient care	60
stress testing	12

**Gender**
Male	514
Female	578

**Age**
From 65 to 74	310
From 75 to 84	372
85 and over	220
Less than 65	190

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	60
Depression	39
Chronic Kidney Disease	52
Asthma	29
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	52
Chronic Obstructive Pulmonary Disease	51
Diabetes	45
Dementia	23
Cancer	15

cardiac procedures	11
hospital care	967
inpatient care	929
outpatient care	38
stress testing	11

**Gender**
Male	261
Female	319

**Ethnicity**
Non-Hispanic White	556
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	179
85 and over	126
Less than 65	97

Hypertension	75
High Cholesterol	69
Stroke	13
Ischemic Heart Disease	60
Depression	42
Chronic Kidney Disease	59
Asthma	48
Osteoperosis	12
Atrial Fibrilation	24
Heart Failure	50
Chronic Obstructive Pulmonary Disease	48
Diabetes	43
Dementia	24
Cancer	18

cardiac procedures	38
hospital care	1014
inpatient care	957
outpatient care	57
stress testing	38

**Gender**
Male	204
Female	230

**Ethnicity**
Non-Hispanic White	414
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	145
85 and over	106
Less than 65	58

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	60
Depression	43
Chronic Kidney Disease	57
Asthma	8
Osteoperosis	14
Atrial Fibrilation	29
Heart Failure	52
Chronic Obstructive Pulmonary Disease	47
Diabetes	46
Dementia	26
Cancer	19

cardiac procedures	20
hospital care	875
inpatient care	825
outpatient care	50
stress testing	20

**Gender**
Male	161
Female	188

**Ethnicity**
Non-Hispanic White	333
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	112
85 and over	76
Less than 65	57

Hypertension	75
High Cholesterol	74
Stroke	11
Ischemic Heart Disease	60
Depression	43
Chronic Kidney Disease	60
Asthma	8
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	56
Chronic Obstructive Pulmonary Disease	50
Diabetes	42
Dementia	28
Cancer	16

hospital care	648
inpatient care	589
outpatient care	59

**Gender**
Male	128
Female	158

**Ethnicity**
Non-Hispanic White	266
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	96
85 and over	70
Less than 65	39

Hypertension	75
High Cholesterol	72
Stroke	17
Ischemic Heart Disease	58
Depression	46
Chronic Kidney Disease	59
Asthma	10
Osteoperosis	15
Atrial Fibrilation	32
Heart Failure	52
Chronic Obstructive Pulmonary Disease	47
Diabetes	43
Dementia	29
Cancer	19

hospital care	624
inpatient care	583
outpatient care	41

**Gender**
Male	89
Female	129

**Ethnicity**
Non-Hispanic White	207
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	70
85 and over	56
Less than 65	28

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	53
Depression	47
Chronic Kidney Disease	63
Asthma	8
Osteoperosis	19
Atrial Fibrilation	28
Heart Failure	49
Chronic Obstructive Pulmonary Disease	42
Diabetes	40
Dementia	32
Cancer	19

hospital care	781
inpatient care	752
outpatient care	29

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Keith Marcus, MD for Medicare patients.

The highest averages for the top procedures that Dr. Keith Marcus, MD treated as an internist in Ludington, MI were hospital care, inpatient care, outpatient care and stress testing.

cardiac procedures	18
hospital care	859
inpatient care	808
outpatient care	51
stress testing	18

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Keith Marcus, MD.

**Gender**
Male	182
Female	211

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	224
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	127
85 and over	86
Less than 65	66
65 to 74	113

Average of Total of Conditions of Medicare patients treated by Dr. Keith Marcus, MD From 2013 - 2021

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

Hypertension	60
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	47
Depression	33
Chronic Kidney Disease	45
Asthma	13
Osteoporosis	11
Heart Failure	40
Chronic Obstructive Pulmonary Disease	37
Diabetes	35
Atrial Fibrillation	22
Cancer	14
Dementia	20

Education & Training

Dr. Keith Marcus, MD graduated from University of Iowa, Carver College of Medicine in 1985. He has a state license in Michigan.

Medical School: University of Iowa, Carver College of Medicine (1985)

Licensed In: Michigan

Affiliations & Hospitals

Dr. Keith Marcus, MD is associated with these hospitals and organizations:

Trinity Health

Trinity Health Muskegon Hospital

WMI Not Employed

SOUND INPATIENT PHYSICIANS-MICHIGAN PLLC

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General Payments

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

**Payments by Company**
AbbVie Inc.	$68,125 BOTOX $13,779	KYBELLA $1,950	$52,396
Merz Pharmaceuticals GmbH	$1,239 The Cellfina System $1,239
Galderma Laboratories, L.P.	$995 DYSPORT $46	$950
Allergan, Inc.	$148 BOTOX $148
Endo Pharmaceuticals Inc.	$96 $96
Other	$121 COMBIVENT RESPIMAT $31	Lonhala Magnair $25	Spiriva $24	ELIQUIS $21	Brovana $10	Other $10

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$65,250
Travel and Lodging	$3,100
Food and Beverage	$2,349
Education	$25

Ownership and Interest Payments

This table describes ownership payments received by Dr. Keith Marcus, MD.

Arya Medical, Inc.	2022	$25.00	Physician Covered Recipient	Common Stock
Arya Medical, Inc.	2021	$25.00	Physician Covered Recipient	Common Stock

Biography

Dr. Keith Marcus specializes in adult hospital medicine and practices in Ludington, MI. Dr. Marcus graduated from the University of Iowa, Carver College of Medicine. He is affiliated with Trinity Health.