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Dr. Yonatan Negasi Yohannes, MD

(Yonatan Yohannes, MD)

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Specializes in: Emergency Medicine

5755 Cedar Lane
Columbia, MD 21044

(410) 740-7890

Dr. Yonatan Negasi Yohannes, MD is an emergency medicine doctor in Columbia, MD specializing in emergency medicine. Dr. Yonatan Negasi Yohannes, MD is affiliated with Johns Hopkins University and Johns Hopkins Howard County Medical Center.

Office Locations

5755 Cedar Lane
Columbia, MD 21044

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Noteworthy Medicare Patient Procedures Performed by Dr. Yonatan Negasi Yohannes, MD in 2023

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

Top 25%

By Volume:

emergency room care

In 2013, Dr. Yonatan Negasi Yohannes, MD performed more emergency room (ER) care procedures for Medicare patients than 75% of providers in related specialties within Maryland.

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2017 were emergency care.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

emergency care	138

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	60
Female	84

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	27
85 and over	28
Less than 65	41

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2017

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2017 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	49
Depression	43
Chronic Kidney Disease	41
Asthma	16
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	35
Diabetes	44
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2018 were emergency care.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

emergency care	362

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	145
Female	219

**Ethnicity**
Non-Hispanic White	278
Black	68
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	97
85 and over	50
Less than 65	112

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2018

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2018 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	54
Depression	40
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	6
Atrial Fibrilation	21
Heart Failure	41
Chronic Obstructive Pulmonary Disease	35
Diabetes	47
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2019 were emergency care.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

emergency care	233

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	116
Female	129

**Ethnicity**
Non-Hispanic White	172
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	59
85 and over	35
Less than 65	80

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2019

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2019 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	58
Depression	45
Chronic Kidney Disease	55
Asthma	17
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	47
Chronic Obstructive Pulmonary Disease	40
Diabetes	51
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2020 were emergency care.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

emergency care	287

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	133
Female	190

**Ethnicity**
Non-Hispanic White	189
Black	104
Hispanic	0
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	92
85 and over	74
Less than 65	58

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2020

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	68
Stroke	16
Ischemic Heart Disease	47
Depression	42
Chronic Kidney Disease	55
Asthma	16
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	44
Dementia	26
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2021 were emergency care.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

emergency care	444

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	195
Female	297

**Ethnicity**
Non-Hispanic White	279
Black	130
Hispanic	0
Asian	43
Other	24
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	174
85 and over	100
Less than 65	71

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2021

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	73
Stroke	16
Ischemic Heart Disease	49
Depression	37
Chronic Kidney Disease	57
Asthma	14
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Dementia	28
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2022 were emergency care.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

emergency care	503

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	236
Female	338

**Ethnicity**
Non-Hispanic White	344
Black	153
Hispanic	0
Asian	42
Other	21
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	197
85 and over	118
Less than 65	73

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2022

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2022 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	41
Depression	35
Chronic Kidney Disease	41
Asthma	16
Osteoperosis	14
Atrial Fibrilation	28
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	42
Dementia	24
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD during 2023 were emergency care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

cardiac procedures	19
emergency care	485
ultrasound (sonogram)	19

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	212
Female	310

**Ethnicity**
Non-Hispanic White	310
Black	135
Hispanic	15
Asian	40
Other	22
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	191
85 and over	119
Less than 65	68

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2023

The most common conditions of Medicare patients that Dr. Yonatan Negasi Yohannes, MD treated during 2023 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	36
Depression	38
Chronic Kidney Disease	43
Asthma	17
Osteoperosis	18
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	25
Diabetes	44
Dementia	23
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Volume of procedures performed by Dr. Yonatan Negasi Yohannes, MD for Medicare patients.

The highest averages for the top procedures that Dr. Yonatan Negasi Yohannes, MD treated as an emergency medicine doctor in Columbia, MD were emergency care, ultrasound (sonogram) and cardiac procedures.

cardiac procedures	19
emergency care	350
ultrasound (sonogram)	19

Average Medicare Patient Data From 2017 - 2023

Information about Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD.

**Gender**
Male	156
Female	223

**Ethnicity**
Black / African American	84
Asian / Pacific Islander	20
Non-Hispanic White	242
Hispanic	2
Native American / Alaskan Native	0
Other	9

**Age**
75 to 84	119
85 and over	74
Less than 65	71
65 to 74	114

Average of Total of Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD From 2017 - 2023

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

Hypertension	75
High Cholesterol	68
Stroke	14
Ischemic Heart Disease	47
Depression	40
Chronic Kidney Disease	49
Asthma	15
Osteoporosis	11
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	44
Atrial Fibrillation	21
Dementia	23
Cancer	15

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Affiliations & Hospitals

Dr. Yonatan Negasi Yohannes, MD is associated with these hospitals and organizations:

Johns Hopkins University

Johns Hopkins Howard County Medical Center

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Biography

Dr. Yonatan Yohannes' area of specialization is emergency medicine. He is affiliated with Johns Hopkins University.

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Dr. Yonatan Negasi Yohannes, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Yonatan Negasi Yohannes, MD in 2023

By Volume:

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Average Medicare Patient Data From 2017 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Yonatan Negasi Yohannes, MD From 2017 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

Other Providers in Columbia, MD