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Dr. Karen Tonya Mason, MD

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Specializes in: Emergency Medicine

2401 W Belvedere Avenue
Baltimore, MD 21215

(410) 601-5737

Dr. Karen Tonya Mason, MD is an emergency medicine doctor in Upper Marlboro, MD specializing in emergency medicine.

Office Locations

1221 Mercantile Lane
Upper Marlboro, MD 20774

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2401 W Belvedere Avenue
Baltimore, MD 21215

(410) 601-5737

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD during 2012 were emergency care.

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

emergency care	566

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD during 2013 were emergency care.

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

emergency care	416

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	187
Female	282

**Ethnicity**
Non-Hispanic White	200
Black	245
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	119
85 and over	81
Less than 65	166

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	12
Ischemic Heart Disease	52
Depression	37
Chronic Kidney Disease	42
Asthma	18
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	45
Dementia	24
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD during 2014 were emergency care.

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

emergency care	344

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	166
Female	220

**Ethnicity**
Non-Hispanic White	156
Black	201
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	84
85 and over	42
Less than 65	144

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2014

Hypertension	75
High Cholesterol	58
Stroke	14
Ischemic Heart Disease	48
Depression	34
Chronic Kidney Disease	42
Asthma	22
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	37
Chronic Obstructive Pulmonary Disease	31
Diabetes	45
Dementia	24
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD during 2015 were emergency care.

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

doctor visit	27
emergency care	115

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	128
Female	206

**Ethnicity**
Non-Hispanic White	0
Black	270
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	74
85 and over	22
Less than 65	128

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2015

Hypertension	75
High Cholesterol	44
Stroke	13
Ischemic Heart Disease	45
Depression	36
Chronic Kidney Disease	43
Asthma	23
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	51
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

doctor visit	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	17
Female	32

**Age**
From 65 to 74	27
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2016

Hypertension	63
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	27
Depression	0
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	29
Chronic Obstructive Pulmonary Disease	0
Diabetes	51
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

doctor visit	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	25
Female	29

**Ethnicity**
Non-Hispanic White	0
Black	40
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2017

Hypertension	65
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	28
Depression	0
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	48
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2018

Hypertension	67
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	12
Female	13

**Age**
From 65 to 74	14
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2019

Hypertension	56
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

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

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2020

Hypertension	65
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	65
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD during 2021 were blood draw.

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

blood draw	12
doctor visit	25

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	13
Female	20

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2021

Hypertension	48
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

doctor visit	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	11
Female	16

**Age**
From 65 to 74	15
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2022

Hypertension	75
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	44
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2023

Hypertension	73
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD during 2024 were emergency care.

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

emergency care	13

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

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

**Age**
From 65 to 74	19
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2024

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	61
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Karen Tonya Mason, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen Tonya Mason, MD treated as an emergency medicine doctor in Upper Marlboro, MD were emergency care and blood draw.

blood draw	12
doctor visit	23
emergency care	290

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Karen Tonya Mason, MD.

**Gender**
Male	43
Female	62

**Ethnicity**
Black / African American	59
Asian / Pacific Islander	0
Non-Hispanic White	27
Native American / Alaskan Native	1
Hispanic	0
Other	0

**Age**
75 to 84	22
85 and over	11
Less than 65	33
65 to 74	35

Average of Total of Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Karen Tonya Mason, MD treated were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	62
High Cholesterol	24
Stroke	3
Ischemic Heart Disease	15
Depression	8
Chronic Kidney Disease	16
Asthma	4
Osteoporosis	1
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	31
Atrial Fibrillation	2
Dementia	5
Cancer	2

Education & Training

She has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

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General Payments

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

**Payments by Company**
Baxter Healthcare	$16 FLOSEAL $16
AstraZeneca Pharmaceuticals LP	$11 BRILINTA $11
E.R. Squibb & Sons, L.L.C.	$10 ELIQUIS $10

**Types of Payments**
Food and Beverage	$38

Biography

Dr. Karen Mason is a specialist in emergency medicine. She works in Upper Marlboro, MD and Baltimore, MD. Dr. Mason has obtained a license to practice in Maryland.

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Dr. Karen Tonya Mason, 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. Karen Tonya Mason, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2017

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2022

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Karen Tonya Mason, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Upper Marlboro, MD