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Dr. Emerald Dawn O'Sullivan-Mejia, MD

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Specializes in: Pathology

4600 Spotsylvania Parkway
Fredericksburg, VA 22408

(540) 498-4471

Dr. Emerald Dawn O'Sullivan-Mejia, MD is a pathologist in Fredericksburg, VA specializing in pathology.

Office Locations

4600 Spotsylvania Parkway
Fredericksburg, VA 22408

(540) 498-4471

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2012 were lab tests.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

lab tests	36

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2013 were lab tests and consultation.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

consultation	14
lab tests	232

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	86
Female	132

**Ethnicity**
Non-Hispanic White	176
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	60
85 and over	14
Less than 65	39

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2013

Hypertension	69
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	39
Depression	28
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2014 were lab tests and cytology.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

cytology	36
lab tests	280

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	145
Female	175

**Ethnicity**
Non-Hispanic White	250
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	88
85 and over	21
Less than 65	49

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	38
Depression	26
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2015 were lab tests and consultation.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

consultation	15
lab tests	89

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	280
Female	370

**Ethnicity**
Non-Hispanic White	528
Black	96
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	150
85 and over	46
Less than 65	106

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	33
Asthma	21
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2016 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

bone marrow tests	12
consultation	35
cytology	30
diagnostic procedures	12
lab tests	165

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	133
Female	134

**Ethnicity**
Non-Hispanic White	209
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	87
85 and over	14
Less than 65	39

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	42
Asthma	26
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	49
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

consultation	58
cytology	94
lab tests	603

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	266
Female	308

**Ethnicity**
Non-Hispanic White	454
Black	88
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	172
85 and over	57
Less than 65	91

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	43
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

consultation	68
cytology	163
lab tests	1013

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	305
Female	340

**Ethnicity**
Non-Hispanic White	492
Black	124
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	193
85 and over	59
Less than 65	103

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	45
Depression	33
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	43
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

consultation	54
cytology	177
lab tests	956

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	352
Female	403

**Ethnicity**
Non-Hispanic White	596
Black	126
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	315
From 75 to 84	247
85 and over	87
Less than 65	106

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	46
Depression	31
Chronic Kidney Disease	48
Asthma	14
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	43
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2020 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

consultation	15
cytology	85
lab tests	456

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	259
Female	300

**Ethnicity**
Non-Hispanic White	433
Black	95
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	172
85 and over	58
Less than 65	69

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2021 were lab tests.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

lab tests	246

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	271
Female	321

**Ethnicity**
Non-Hispanic White	489
Black	72
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	274
From 75 to 84	220
85 and over	60
Less than 65	38

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2022 were lab tests.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

lab tests	353

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	754
Female	1011

**Ethnicity**
Non-Hispanic White	1412
Black	227
Hispanic	47
Asian	27
Other	52
Native American	0

**Age**
From 65 to 74	1053
From 75 to 84	582
85 and over	52
Less than 65	78

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	3
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA during 2023 were lab tests.

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

lab tests	259

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Male	797
Female	1027

**Ethnicity**
Non-Hispanic White	1484
Black	205
Hispanic	35
Asian	28
Other	72
Native American	0

**Age**
From 65 to 74	1111
From 75 to 84	588
85 and over	50
Less than 65	75

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	3
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Emerald Dawn O'Sullivan-Mejia, MD for Medicare patients.

The highest averages for the top procedures that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated as a pathologist in Fredericksburg, VA were lab tests, cytology, consultation and bone marrow tests.

bone marrow tests	12
consultation	37
cytology	97
diagnostic procedures	12
lab tests	390

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD.

**Gender**
Female	376
Male	304

**Ethnicity**
Black / African American	94
Asian / Pacific Islander	4
Non-Hispanic White	543
Native American / Alaskan Native	0
Hispanic	8
Other	14

**Age**
75 to 84	213
85 and over	43
Less than 65	66
65 to 74	358

Average of Total of Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Emerald Dawn O'Sullivan-Mejia, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	32
Asthma	13
Osteoporosis	5
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	35
Atrial Fibrillation	13
Dementia	9
Cancer	15

Education & Training

She has a state license in Virginia.

Licensed In: Virginia

Ratings & Reviews

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Biography

Dr. Emerald Osullivan-Mejia sees patients in Fredericksburg, VA. Her medical specialty is pathology. She studied medicine at Eastern Virginia Medical School.

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Dr. Emerald Dawn O'Sullivan-Mejia, 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. Emerald Dawn O'Sullivan-Mejia, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Emerald Dawn O'Sullivan-Mejia, 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. Emerald Dawn O'Sullivan-Mejia, MD From 2012 - 2023

Education & Training

Ratings & Reviews

Biography

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