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Dr. Nicole Davis Riordan, MD

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Specializes in: Emergency Medicine

615 N Michigan Street
South Bend, IN 46601

(574) 647-7459

Dr. Nicole Davis Riordan, MD is an emergency medicine doctor in South Bend, IN specializing in emergency medicine.

Office Locations

615 N Michigan Street
South Bend, IN 46601

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2012 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	392

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2013 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	517

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	204
Female	307

**Ethnicity**
Non-Hispanic White	375
Black	110
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	136
85 and over	104
Less than 65	157

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2013

Hypertension	75
High Cholesterol	55
Stroke	14
Ischemic Heart Disease	48
Depression	35
Chronic Kidney Disease	40
Asthma	14
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2014 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	374

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	162
Female	213

**Ethnicity**
Non-Hispanic White	285
Black	69
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	101
85 and over	81
Less than 65	108

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2014

Hypertension	75
High Cholesterol	56
Stroke	12
Ischemic Heart Disease	46
Depression	37
Chronic Kidney Disease	41
Asthma	13
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	42
Chronic Obstructive Pulmonary Disease	31
Diabetes	35
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2015 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	518

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	434
Female	596

**Ethnicity**
Non-Hispanic White	816
Black	182
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	254
85 and over	270
Less than 65	272

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2015

Hypertension	75
High Cholesterol	56
Stroke	14
Ischemic Heart Disease	42
Depression	35
Chronic Kidney Disease	43
Asthma	17
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	34
Chronic Obstructive Pulmonary Disease	25
Diabetes	32
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2016 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	580

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	240
Female	324

**Ethnicity**
Non-Hispanic White	434
Black	109
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	128
85 and over	131
Less than 65	139

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2016

Hypertension	75
High Cholesterol	54
Stroke	13
Ischemic Heart Disease	47
Depression	36
Chronic Kidney Disease	47
Asthma	35
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	39
Chronic Obstructive Pulmonary Disease	34
Diabetes	35
Dementia	26
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2017 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	506

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	228
Female	288

**Ethnicity**
Non-Hispanic White	395
Black	96
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	114
85 and over	106
Less than 65	123

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2017

Hypertension	75
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	45
Depression	39
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	34
Chronic Obstructive Pulmonary Disease	30
Diabetes	39
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2018 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	386

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	190
Female	201

**Ethnicity**
Non-Hispanic White	297
Black	79
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	105
85 and over	71
Less than 65	96

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2018

Hypertension	75
High Cholesterol	57
Stroke	13
Ischemic Heart Disease	37
Depression	41
Chronic Kidney Disease	0
Asthma	9
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2019 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	336

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	156
Female	203

**Ethnicity**
Non-Hispanic White	269
Black	75
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	91
85 and over	70
Less than 65	96

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2019

Hypertension	75
High Cholesterol	60
Stroke	14
Ischemic Heart Disease	45
Depression	37
Chronic Kidney Disease	51
Asthma	9
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	37
Chronic Obstructive Pulmonary Disease	31
Diabetes	38
Dementia	27
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2020 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	237

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	120
Female	139

**Ethnicity**
Non-Hispanic White	204
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	71
85 and over	53
Less than 65	51

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2020

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	47
Depression	41
Chronic Kidney Disease	51
Asthma	9
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	36
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	24
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2021 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	248

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	129
Female	144

**Ethnicity**
Non-Hispanic White	226
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	74
85 and over	49
Less than 65	60

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2021

Hypertension	72
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	42
Depression	42
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2022 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	211

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	104
Female	145

**Ethnicity**
Non-Hispanic White	210
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	75
85 and over	44
Less than 65	38

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2022

Hypertension	75
High Cholesterol	67
Stroke	23
Ischemic Heart Disease	29
Depression	42
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	17
Atrial Fibrilation	32
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN during 2023 were emergency care.

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

emergency care	168

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Male	91
Female	104

**Ethnicity**
Non-Hispanic White	168
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	70
85 and over	26
Less than 65	30

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2023

Hypertension	75
High Cholesterol	72
Stroke	18
Ischemic Heart Disease	45
Depression	37
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	14
Atrial Fibrilation	29
Heart Failure	31
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Nicole Davis Riordan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Nicole Davis Riordan, MD treated as an emergency medicine doctor in South Bend, IN were emergency care.

emergency care	372

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Nicole Davis Riordan, MD.

**Gender**
Female	222
Male	171

**Ethnicity**
Black / African American	69
Asian / Pacific Islander	0
Non-Hispanic White	306
Hispanic	1
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	83
75 to 84	101
Less than 65	97
65 to 74	110

Average of Total of Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	54
Stroke	13
Ischemic Heart Disease	39
Depression	35
Chronic Kidney Disease	36
Asthma	12
Osteoporosis	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Atrial Fibrillation	19
Dementia	20
Cancer	12

Education & Training

She has a state license in Indiana.

Licensed In: Indiana

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$195 Activase $125	$71
Boehringer Ingelheim Pharmaceuticals, Inc.	$151 Pradaxa $140	Praxbind $11
Janssen Pharmaceuticals, Inc	$101 XARELTO $101
Valeant Pharmaceuticals North America LLC	$25 XIFAXAN $25
Merck Sharp & Dohme LLC	$24 ZERBAXA $24
Other	$10 DALIRESP $10

**Types of Payments**
Food and Beverage	$507

Biography

Dr. Nicole Riordan is an emergency medicine specialist in South Bend, IN. She graduated from Indiana University School of Medicine.

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Dr. Nicole Davis Riordan, 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. Nicole Davis Riordan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Nicole Davis Riordan, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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