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Dr. Mark Loren Fehr, MD, MPH

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(Mark Fehr, M.D.)

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Specializes in: Psychiatry & Neurology and Neurology (Brain & Spinal Cord Disease)

Tufts University School of Medicine

301 ST. PAUL PLACE
BALTIMORE, MD 21202

(410) 649-3485

Dr. Mark Loren Fehr, MD, MPH is a null in BALTIMORE, MD specializing in psychiatry & neurology and neurology (brain & spinal cord disease). He graduated from Tufts University School of Medicine. Dr. Mark Loren Fehr, MD, MPH is affiliated with Mercy Hospital and The Neurology Center at Mercy.

Office Locations

301 ST. PAUL PLACE
BALTIMORE, MD 21202

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2012 were hospital care, inpatient care, electroencephalography (EEG) and ambulatory monitoring.

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

ambulatory monitoring	23
doctor visit	292
electroencephalography (EEG)	383
hospital care	932
inpatient care	932

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2013 were electroencephalography (EEG), hospital care, inpatient care and ambulatory monitoring.

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

ambulatory monitoring	36
doctor visit	563
electroencephalography (EEG)	515
hospital care	229
inpatient care	229

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	298
Female	430

**Ethnicity**
Non-Hispanic White	613
Black	70
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	223
85 and over	136
Less than 65	131

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2013

Hypertension	75
High Cholesterol	69
Stroke	40
Ischemic Heart Disease	52
Depression	38
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	44
Dementia	38
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2014 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	375
electroencephalography (EEG)	435
hospital care	469
inpatient care	469

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	340
Female	418

**Ethnicity**
Non-Hispanic White	627
Black	64
Hispanic	51
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	256
85 and over	157
Less than 65	131

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2014

Hypertension	75
High Cholesterol	69
Stroke	36
Ischemic Heart Disease	50
Depression	42
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	16
Atrial Fibrilation	25
Heart Failure	37
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	37
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2015 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	454
electroencephalography (EEG)	121
hospital care	769
inpatient care	769

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	404
Female	556

**Ethnicity**
Non-Hispanic White	758
Black	92
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	326
85 and over	246
Less than 65	126

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2015

Hypertension	75
High Cholesterol	71
Stroke	39
Ischemic Heart Disease	48
Depression	37
Chronic Kidney Disease	36
Asthma	16
Osteoperosis	16
Atrial Fibrilation	24
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	36
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2016 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	421
electroencephalography (EEG)	73
hospital care	410
inpatient care	410

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	170
Female	241

**Ethnicity**
Non-Hispanic White	297
Black	72
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	127
85 and over	88
Less than 65	64

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2016

Hypertension	75
High Cholesterol	67
Stroke	34
Ischemic Heart Disease	42
Depression	38
Chronic Kidney Disease	36
Asthma	24
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	35
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2017 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	580
electroencephalography (EEG)	93
hospital care	111
inpatient care	111

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	127
Female	238

**Ethnicity**
Non-Hispanic White	191
Black	155
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	105
85 and over	40
Less than 65	79

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2017

Hypertension	75
High Cholesterol	60
Stroke	28
Ischemic Heart Disease	38
Depression	37
Chronic Kidney Disease	35
Asthma	13
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	40
Dementia	28
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2018 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	587
electroencephalography (EEG)	90
hospital care	100
inpatient care	100

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	136
Female	242

**Ethnicity**
Non-Hispanic White	206
Black	153
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	115
85 and over	45
Less than 65	77

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2018

Hypertension	75
High Cholesterol	65
Stroke	24
Ischemic Heart Disease	37
Depression	38
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	39
Dementia	30
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2019 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	684
electroencephalography (EEG)	106
hospital care	68
inpatient care	68

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	141
Female	288

**Ethnicity**
Non-Hispanic White	234
Black	177
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	137
85 and over	55
Less than 65	89

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2019

Hypertension	75
High Cholesterol	65
Stroke	24
Ischemic Heart Disease	43
Depression	43
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	40
Dementia	33
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2020 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	565
electroencephalography (EEG)	70
hospital care	57
inpatient care	57

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	166
Female	269

**Ethnicity**
Non-Hispanic White	251
Black	168
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	132
85 and over	59
Less than 65	91

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2020

Hypertension	74
High Cholesterol	62
Stroke	22
Ischemic Heart Disease	40
Depression	38
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	32
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2021 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	549
electroencephalography (EEG)	81
hospital care	69
inpatient care	69

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	149
Female	274

**Ethnicity**
Non-Hispanic White	255
Black	149
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	139
85 and over	29
Less than 65	95

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2021

Hypertension	73
High Cholesterol	64
Stroke	22
Ischemic Heart Disease	38
Depression	41
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	33
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD during 2022 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

doctor visit	524
electroencephalography (EEG)	50
hospital care	77
inpatient care	77

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Male	147
Female	283

**Ethnicity**
Non-Hispanic White	255
Black	153
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	154
85 and over	35
Less than 65	79

Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH in 2022

Hypertension	75
High Cholesterol	75
Stroke	28
Ischemic Heart Disease	30
Depression	40
Chronic Kidney Disease	24
Asthma	15
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	15
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	23
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Loren Fehr, MD, MPH for Medicare patients.

The highest averages for the top procedures that Dr. Mark Loren Fehr, MD, MPH treated as a null in BALTIMORE, MD were hospital care, inpatient care, electroencephalography (EEG) and ambulatory monitoring.

ambulatory monitoring	29
doctor visit	508
electroencephalography (EEG)	183
hospital care	299
inpatient care	299

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH.

**Gender**
Female	294
Male	188

**Ethnicity**
Black / African American	113
Asian / Pacific Islander	0
Non-Hispanic White	335
Native American / Alaskan Native	0
Hispanic	11
Other	0

**Age**
85 and over	80
75 to 84	155
Less than 65	87
65 to 74	159

Average of Total of Conditions of Medicare patients treated by Dr. Mark Loren Fehr, MD, MPH From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Loren Fehr, MD, MPH treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	67
High Cholesterol	60
Stroke	27
Ischemic Heart Disease	38
Depression	35
Chronic Kidney Disease	33
Asthma	12
Osteoporosis	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Atrial Fibrillation	15
Dementia	29
Cancer	13

Education & Training

Dr. Mark Loren Fehr, MD, MPH graduated from Tufts University School of Medicine. He completed residency at Northwestern Memorial Hospital. He has a state license in Maryland.

Medical School: Tufts University School of Medicine

Residency: Northwestern Memorial Hospital

Licensed In: Maryland

Affiliations & Hospitals

Dr. Mark Loren Fehr, MD, MPH is associated with these hospitals and organizations:

Mercy Hospital

The Neurology Center at Mercy

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General Payments

These charts describe general payments received by Dr. Mark Loren Fehr, MD, MPH. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$516 UBRELVY $213	QULIPTA $178	BOTOX $125
Novartis Pharmaceuticals Corporation	$440 Aimovig $223	MAYZENT $63	Gilenya $54	KESIMPTA $32	$68
Supernus Pharmaceuticals, Inc.	$270 TROKENDI XR $196	OXTELLAR XR $75
UCB, Inc.	$195 Briviact $117	Neupro $29	Vimpat $20	$28
SK Life Science, Inc.	$163 $163
Other	$2,092 EMGALITY $161	AUBAGIO $135	NUPLAZID $101	ACTHAR $98	ONZETRA Xsail $90	Other $1,508

**Types of Payments**
Food and Beverage	$3,596
Education	$60
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$20

Biography

Dr. Mark Fehr's area of specialization is neurology (brain & spinal cord disease). He attended Tufts University School of Medicine and then went on to complete his residency at Northwestern Memorial Hospital. Dr. Fehr is professionally affiliated with Mercy Hospital. Yext reports that he is accepting new patients at his office in BALTIMORE, MD.