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Dr. Alejandra Maria O'Brien, MD

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Specializes in: Emergency Medicine

5215 Holy Cross Parkway Sjrmc Emergency Department
Mishawaka, IN 46545

(574) 335-1110

Dr. Alejandra Maria O'Brien, MD is an emergency medicine doctor in Plymouth, IN specializing in emergency medicine. Dr. Alejandra Maria O'Brien, MD is affiliated with Saint Joseph Health System.

Office Locations

Address:

1915 Lake Avenue Sjrmc Plymouth Emergency Department
Plymouth, IN 46563

Address:

5215 Holy Cross Parkway Sjrmc Emergency Department
Mishawaka, IN 46545

emergency care	324
hospital care	12
outpatient care	12

**Gender**
Male	151
Female	240

**Ethnicity**
Non-Hispanic White	327
Black	18
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	115
85 and over	89
Less than 65	72

Hypertension	75
High Cholesterol	66
Stroke	13
Ischemic Heart Disease	54
Depression	41
Chronic Kidney Disease	51
Asthma	34
Osteoperosis	8
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	33
Diabetes	42
Dementia	28
Cancer	14

emergency care	598
hospital care	55
outpatient care	55

**Gender**
Male	310
Female	482

**Ethnicity**
Non-Hispanic White	623
Black	49
Hispanic	73
Asian	32
Other	15
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	230
85 and over	191
Less than 65	138

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	54
Depression	36
Chronic Kidney Disease	55
Asthma	11
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Dementia	29
Cancer	13

emergency care	445
hospital care	52
outpatient care	52

**Gender**
Male	239
Female	355

**Ethnicity**
Non-Hispanic White	494
Black	32
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	173
85 and over	162
Less than 65	86

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	53
Depression	34
Chronic Kidney Disease	52
Asthma	9
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	43
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	28
Cancer	16

emergency care	322
hospital care	23
outpatient care	23

**Gender**
Male	155
Female	254

**Ethnicity**
Non-Hispanic White	348
Black	30
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	122
85 and over	86
Less than 65	68

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	51
Depression	44
Chronic Kidney Disease	53
Asthma	13
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	39
Chronic Obstructive Pulmonary Disease	34
Diabetes	44
Dementia	25
Cancer	17

emergency care	317

**Gender**
Male	173
Female	200

**Ethnicity**
Non-Hispanic White	327
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	92
85 and over	69
Less than 65	79

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	51
Depression	42
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	40
Chronic Obstructive Pulmonary Disease	27
Diabetes	47
Dementia	24
Cancer	15

emergency care	502

Average Medicare Procedure Volume From 2016 - 2021

Volume of procedures performed by Dr. Alejandra Maria O'Brien, MD for Medicare patients.

The highest averages for the top procedures that Dr. Alejandra Maria O'Brien, MD treated as an emergency medicine doctor in Plymouth, IN were emergency care, hospital care and outpatient care.

emergency care	418
hospital care	35
outpatient care	35

Average Medicare Patient Data From 2016 - 2021

Information about Medicare patients treated by Dr. Alejandra Maria O'Brien, MD.

**Gender**
Male	102
Female	153

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	3
Non-Hispanic White	211
Native American / Alaskan Native	0
Hispanic	16
Other	1

**Age**
75 to 84	73
85 and over	59
Less than 65	44
65 to 74	78

Average of Total of Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD From 2016 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Alejandra Maria O'Brien, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	37
High Cholesterol	33
Stroke	5
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	26
Asthma	7
Osteoporosis	5
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	21
Atrial Fibrillation	10
Cancer	7
Dementia	13

Education & Training

She completed residency at University of Illinois Affiliated Hospitals. She is certified by the Emergency Medicine, Emergency Medicine American Board of American Board of Emergency Medicine and has a state license in Illinois.

Residency: University of Illinois Affiliated Hospitals (2016)

Board Certification: Emergency Medicine, Emergency Medicine American Board of American Board of Emergency Medicine (2017)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Alejandra Maria O'Brien, MD is associated with these hospitals and organizations:

Saint Joseph Health System

Ratings & Reviews

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Biography

Dr. Alejandra O'Brien is a specialist in emergency medicine. She is affiliated with Saint Joseph Health System.

Select Year:

Dr. Alejandra Maria O'Brien, MD

Office Locations

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Average Medicare Procedure Volume From 2016 - 2021

Average Medicare Patient Data From 2016 - 2021

Average of Total of Conditions of Medicare patients treated by Dr. Alejandra Maria O'Brien, MD From 2016 - 2021

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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