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Dr. Mark Gregory Lazarev, MD

(Mark G Lazarev MD)

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Specializes in: Oncology (Cancer Care) and Gastroenterology (Digestive System)

2360 West Joppa Road Joppa Concourse SUITE 205 Johns Hopkins Medicine
Lutherville, MD 21093

(410) 933-7495

Dr. Mark Gregory Lazarev, MD is an oncologist in Lutherville, MD specializing in oncology (cancer care) and gastroenterology (digestive system). Dr. Mark Gregory Lazarev, MD is affiliated with The Johns Hopkins Hospital (Main Entrance).

Office Locations

2360 West Joppa Road Joppa Concourse SUITE 205 Johns Hopkins Medicine
Lutherville, MD 21093

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark Gregory Lazarev, MD in 2023

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

Top 5%

By Volume:

biological response modifier therapy

intravenous chemotherapy

In 2023, Dr. Mark Gregory Lazarev, MD performed more biological response modifier (BRM) therapy, and intravenous (IV) chemotherapy procedures for Medicare patients than 95% of providers in related specialties within Maryland.

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Mark Gregory Lazarev, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Maryland. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

biopsy

In 2012, Dr. Mark Gregory Lazarev, MD performed more biopsy procedures for Medicare patients than 75% of providers in related specialties within Maryland.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2012 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

diagnostic procedures	91
doctor visit	107
gastrointestinal procedures	91
hospital care	75
inpatient care	75
minimally invasive procedures	91
removal of lesion (e.g. growth)	91

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2013 were minimally invasive procedures, gastrointestinal procedures, diagnostic procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	52
chemotherapy	52
diagnostic procedures	106
doctor visit	121
gastrointestinal procedures	132
hospital care	12
inpatient care	12
minimally invasive procedures	184
preventive care	12
removal of lesion (e.g. growth)	93

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	92
Female	144

**Ethnicity**
Non-Hispanic White	160
Black	63
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	41
85 and over	11
Less than 65	79

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2013

Hypertension	72
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	48
Depression	33
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2014 were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	41
chemotherapy	41
diagnostic procedures	100
doctor visit	157
gastrointestinal procedures	100
hospital care	16
inpatient care	16
minimally invasive procedures	141
removal of lesion (e.g. growth)	100

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	91
Female	130

**Ethnicity**
Non-Hispanic White	156
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	0
85 and over	0
Less than 65	87

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2014

Hypertension	66
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	42
Depression	30
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2015 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

diagnostic procedures	58
doctor visit	155
gastrointestinal procedures	58
minimally invasive procedures	58
removal of lesion (e.g. growth)	58

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	160
Female	206

**Ethnicity**
Non-Hispanic White	256
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	76
85 and over	28
Less than 65	116

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2015

Hypertension	69
High Cholesterol	49
Stroke	8
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	33
Asthma	18
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2016 were hospital care, inpatient care, removal of lesion (e.g. growth) and minimally invasive procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

diagnostic procedures	66
doctor visit	152
gastrointestinal procedures	66
hospital care	68
inpatient care	68
minimally invasive procedures	66
removal of lesion (e.g. growth)	66

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	95
Female	111

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	36
85 and over	14
Less than 65	61

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2016

Hypertension	71
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	46
Depression	37
Chronic Kidney Disease	44
Asthma	24
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	17
Diabetes	35
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2017 were minimally invasive procedures, diagnostic procedures, gastrointestinal procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	18
chemotherapy	18
diagnostic procedures	89
doctor visit	155
gastrointestinal procedures	89
hospital care	44
inpatient care	44
minimally invasive procedures	107
removal of lesion (e.g. growth)	78

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	88
Female	129

**Ethnicity**
Non-Hispanic White	144
Black	60
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	42
85 and over	11
Less than 65	62

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2017

Hypertension	69
High Cholesterol	43
Stroke	6
Ischemic Heart Disease	37
Depression	36
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	63
chemotherapy	63
diagnostic procedures	93
doctor visit	155
gastrointestinal procedures	105
hospital care	54
inpatient care	54
minimally invasive procedures	168
preventive care	12
removal of lesion (e.g. growth)	93

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	123
Female	134

**Ethnicity**
Non-Hispanic White	171
Black	59
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	0
85 and over	0
Less than 65	73

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2018

Hypertension	68
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	40
Depression	37
Chronic Kidney Disease	42
Asthma	13
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2019 were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	64
chemotherapy	64
diagnostic procedures	82
doctor visit	184
gastrointestinal procedures	82
minimally invasive procedures	166
removal of lesion (e.g. growth)	82

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	99
Female	129

**Ethnicity**
Non-Hispanic White	173
Black	32
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	0
85 and over	0
Less than 65	62

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2019

Hypertension	65
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	36
Depression	38
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	25
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2020 were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	75
chemotherapy	75
diagnostic procedures	85
doctor visit	158
gastrointestinal procedures	85
hospital care	22
inpatient care	22
minimally invasive procedures	201
removal of lesion (e.g. growth)	85

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	114
Female	155

**Ethnicity**
Non-Hispanic White	192
Black	51
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	59
85 and over	11
Less than 65	75

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2020

Hypertension	55
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	32
Depression	35
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	25
Atrial Fibrilation	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2021 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and hospital care.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	83
chemotherapy	83
diagnostic procedures	65
doctor visit	177
gastrointestinal procedures	65
hospital care	79
inpatient care	79
minimally invasive procedures	194
removal of lesion (e.g. growth)	65

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	131
Female	185

**Ethnicity**
Non-Hispanic White	229
Black	59
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	80
85 and over	19
Less than 65	71

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2021

Hypertension	64
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	22
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD during 2022 were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

biological response modifier (BRM) therapy	89
chemotherapy	89
diagnostic procedures	131
doctor visit	199
gastrointestinal procedures	131
hospital care	72
inpatient care	72
minimally invasive procedures	276
removal of lesion (e.g. growth)	131

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	168
Female	217

**Ethnicity**
Non-Hispanic White	272
Black	74
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	117
85 and over	13
Less than 65	78

Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD in 2022

Hypertension	70
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	23
Depression	29
Chronic Kidney Disease	24
Asthma	14
Osteoperosis	28
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	7
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Gregory Lazarev, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Gregory Lazarev, MD treated as an oncologist in Lutherville, MD were minimally invasive procedures, gastrointestinal procedures, diagnostic procedures and removal of lesion (e.g. growth).

biological response modifier (BRM) therapy	60
chemotherapy	60
diagnostic procedures	87
doctor visit	156
gastrointestinal procedures	91
hospital care	49
inpatient care	49
minimally invasive procedures	150
preventive care	12
removal of lesion (e.g. growth)	85

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Gregory Lazarev, MD.

**Gender**
Male	105
Female	140

**Ethnicity**
Black / African American	48
Asian / Pacific Islander	0
Non-Hispanic White	172
Native American / Alaskan Native	0
Hispanic	0
Other	5

**Age**
75 to 84	41
85 and over	9
Less than 65	69
65 to 74	108

Average of Total of Conditions of Medicare patients treated by Dr. Mark Gregory Lazarev, MD From 2012 - 2022

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

Hypertension	60
High Cholesterol	48
Stroke	5
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	32
Asthma	12
Osteoporosis	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Atrial Fibrillation	9
Dementia	7
Cancer	12

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Affiliations & Hospitals

Dr. Mark Gregory Lazarev, MD is associated with these hospitals and organizations:

The Johns Hopkins Hospital (Main Entrance)

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Global Services, LLC	$3,515 STELARA $3,515
Janssen Biotech, Inc.	$2,355 STELARA $1,636	SIMPONI $239	REMICADE $231	OLYSIO $137	SIMPONI ARIA $112
AbbVie, Inc.	$1,231 Humira $1,006	$224
Takeda Pharmaceuticals U.S.A., Inc.	$1,025 ENTYVIO $923	GATTEX $10	$93
AbbVie Inc.	$916 Rinvoq $397	Humira $319	Skyrizi $73	LINZESS $69	Creon $19	Other $39
Other	$3,897 REMICADE $672	ZEPOSIA $470	Cimzia $296	PAXLOVID $286	ENTYVIO $230	Other $1,943

**Types of Payments**
Food and Beverage	$9,037
Consulting Fee	$3,515
Education	$387

Research Payments

Dr. Mark Gregory Lazarev, MD has received 12 research payments totaling $116,275.

Biography

Dr. Mark Lazarev is a physician who specializes in gastroenterology (digestive system) and oncology (cancer care). He is a graduate of the University of Pittsburgh School of Medicine. Dr. Lazarev is professionally affiliated with Johns Hopkins University.