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Home > IA Providers > Family Physicians & Family Medicine Specialists

Dr. James David Demmel, MD

(No ratings)

Specializes in: Family Medicine and Emergency Medicine

312 E Main Street
Marshalltown, IA 50158

(641) 752-5469

Dr. James David Demmel, MD is a family medicine practitioner in Marshalltown, IA specializing in family medicine and emergency medicine.

Office Locations

312 E Main Street
Marshalltown, IA 50158

(641) 752-5469

(641) 844-2205

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2012 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

blood draw	357
diabetes management	82
doctor visit	1030
ear procedures	25
hospital care	156
inpatient care	141
lab tests	1139
nursing home care	90
outpatient care	15
preventive care	373
thyroid function tests	176
vaccines	75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2013 were lab tests, preventive care, blood draw and emergency care.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

abdominal imaging	11
blood draw	336
CT scan	11
diabetes management	79
doctor visit	764
ear procedures	21
emergency care	253
hospital care	115
inpatient care	99
lab tests	959
nursing home care	85
outpatient care	16
pelvic imaging	11
preventive care	352
thyroid function tests	103
vaccines	66

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	315
Female	343

**Ethnicity**
Non-Hispanic White	618
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	191
85 and over	134
Less than 65	93

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2013

Hypertension	64
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2014 were emergency care.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

emergency care	916

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	346
Female	444

**Ethnicity**
Non-Hispanic White	743
Black	0
Hispanic	15
Asian	0
Other	0
Native American	16

**Age**
From 65 to 74	204
From 75 to 84	239
85 and over	215
Less than 65	132

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	49
Depression	34
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	30
Diabetes	38
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2015 were emergency care, hospital care and inpatient care.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

emergency care	320
hospital care	99
inpatient care	99

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	304
Female	412

**Ethnicity**
Non-Hispanic White	676
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	216
85 and over	208
Less than 65	110

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	50
Depression	37
Chronic Kidney Disease	45
Asthma	22
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	42
Chronic Obstructive Pulmonary Disease	35
Diabetes	38
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

hospital care	198
inpatient care	198

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	56
Female	73

**Age**
From 65 to 74	44
From 75 to 84	33
85 and over	30
Less than 65	22

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	42
Depression	36
Chronic Kidney Disease	47
Asthma	51
Osteoperosis	0
Atrial Fibrilation	23
Heart Failure	44
Chronic Obstructive Pulmonary Disease	48
Diabetes	47
Dementia	24
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2017 were hospital care, inpatient care, aspiration and injections.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

aspiration	34
hospital care	94
injections	34
inpatient care	94

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	47
Female	76

**Age**
From 65 to 74	32
From 75 to 84	35
85 and over	24
Less than 65	32

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2017

Hypertension	75
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	44
Depression	43
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	40
Chronic Obstructive Pulmonary Disease	47
Diabetes	42
Dementia	30
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

hospital care	90
inpatient care	90

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	37
Female	64

**Age**
From 65 to 74	36
From 75 to 84	25
85 and over	19
Less than 65	21

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2018

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	51
Depression	44
Chronic Kidney Disease	45
Asthma	0
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	40
Chronic Obstructive Pulmonary Disease	42
Diabetes	41
Dementia	31
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

hospital care	70
inpatient care	70

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	29
Female	57

**Age**
From 65 to 74	27
From 75 to 84	25
85 and over	15
Less than 65	19

Conditions of Medicare patients treated by Dr. James David Demmel, MD in 2019

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	34
Chronic Obstructive Pulmonary Disease	38
Diabetes	37
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James David Demmel, MD.

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

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. James David Demmel, MD for Medicare patients.

The highest averages for the top procedures that Dr. James David Demmel, MD treated as a family medicine practitioner in Marshalltown, IA were lab tests, emergency care, preventive care and blood draw.

abdominal imaging	11
aspiration	34
blood draw	346
CT scan	11
diabetes management	80
doctor visit	897
ear procedures	23
emergency care	496
hospital care	117
injections	34
inpatient care	113
lab tests	1049
nursing home care	87
outpatient care	15
pelvic imaging	11
preventive care	362
thyroid function tests	139
vaccines	70

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. James David Demmel, MD.

**Gender**
Male	126
Female	163

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	228
Hispanic	2
Native American / Alaskan Native	1
Other	0

**Age**
75 to 84	84
85 and over	71
Less than 65	47
65 to 74	85

Average of Total of Conditions of Medicare patients treated by Dr. James David Demmel, MD From 2012 - 2020

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

Hypertension	57
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	31
Asthma	11
Osteoporosis	5
Heart Failure	28
Chronic Obstructive Pulmonary Disease	28
Diabetes	30
Atrial Fibrillation	17
Cancer	8
Dementia	18

Education & Training

He has a state license in Iowa.

Licensed In: Iowa

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$116 FARXIGA $92	CRESTOR $25
Janssen Pharmaceuticals, Inc	$99 INVOKANA $60	XARELTO $38
Pfizer Inc.	$91 ELIQUIS $58	CHANTIX $12	EUCRISA $11	LYRICA $11
GlaxoSmithKline, LLC.	$88 ANORO $40	TANZEUM $14	FLOVENT $13	ARNUITY $11	BREO $10
Astellas Pharma US Inc	$87 Myrbetriq $87
Other	$401 TROKENDI XR $80	TOUJEO $43	ENTRESTO $37	Insulin pump $33	UBRELVY $30	Other $177