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Dr. John Barthelow Classen, MD

(No ratings)

Specializes in: Emergency Medicine and General Practice

3059 Solomons Island Road Suite F-2
Edgewater, MD 21037

(410) 956-3394

Dr. John Barthelow Classen, MD is an emergency medicine doctor in Edgewater, MD specializing in emergency medicine and general practice.

Office Locations

3059 Solomons Island Road Suite F-2
Edgewater, MD 21037

(410) 956-3394

(410) 956-3324

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In The News

“The report by Classen and his cousin, Dr. J. Barthelow Classen of Baltimore, suggests that the disease may be caused by viruses caught from the mother at birth.”—"Earlier shots could cut diabetes cases", Desert News, November 1997

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Barthelow Classen, MD treated as an emergency medicine doctor in Edgewater, MD during 2012 were lab tests.

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	134
lab tests	17

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	69

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	25
Female	49

**Age**
From 65 to 74	40
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2013

Hypertension	66
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	0
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Barthelow Classen, MD treated as an emergency medicine doctor in Edgewater, MD during 2015 were lab tests and blood draw.

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

blood draw	15
doctor visit	107
lab tests	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	74
Female	146

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

**Age**
From 65 to 74	104
From 75 to 84	48
85 and over	28
Less than 65	40

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2015

Hypertension	61
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	130

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	48
Female	81

**Ethnicity**
Non-Hispanic White	108
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	39
85 and over	19
Less than 65	15

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2016

Hypertension	64
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	22
Asthma	19
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	18
Diabetes	20
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Barthelow Classen, MD treated as an emergency medicine doctor in Edgewater, MD during 2017 were lab tests.

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	131
lab tests	31

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	42
Female	87

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	36
85 and over	11
Less than 65	34

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2017

Hypertension	60
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	31
Depression	32
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	18
Diabetes	23
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	93

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	37
Female	53

**Ethnicity**
Non-Hispanic White	78
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2018

Hypertension	69
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	36

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	14
Female	23

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	38
Depression	0
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Barthelow Classen, MD treated as an emergency medicine doctor in Edgewater, MD during 2021 were lab tests.

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	97
lab tests	94

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	35
Female	67

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

**Age**
From 65 to 74	53
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2021

Hypertension	64
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Barthelow Classen, MD treated as an emergency medicine doctor in Edgewater, MD during 2022 were lab tests.

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

doctor visit	98
lab tests	94

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	47
Female	82

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	22
Depression	19
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Barthelow Classen, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Barthelow Classen, MD treated as an emergency medicine doctor in Edgewater, MD were lab tests and blood draw.

blood draw	15
doctor visit	99
lab tests	51

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Barthelow Classen, MD.

**Gender**
Male	35
Female	65

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	70
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	26
85 and over	6
Less than 65	9
65 to 74	44

Average of Total of Conditions of Medicare patients treated by Dr. John Barthelow Classen, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Barthelow Classen, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	59
High Cholesterol	49
Stroke	1
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	17
Asthma	7
Osteoporosis	2
Heart Failure	3
Chronic Obstructive Pulmonary Disease	7
Diabetes	25
Atrial Fibrillation	6
Dementia	0
Cancer	7

Education & Training

He 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. John Barthelow Classen, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Covidien Sales LLC	$17 Vessel Sealing $17

**Types of Payments**
Food and Beverage	$17

Biography

Dr. John Classen works as a general practice and emergency medicine specialist in Edgewater, MD. Dr. Classen has obtained a license to practice in Maryland.