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Dr. Mark E. Johns, MD

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

Ohio State University College of Medicine (2001)

601 Ivy Gateway
Cincinnati, OH 45245

1-888-649-4800

Dr. Mark E. Johns, MD is a medical oncologist in Cincinnati, OH specializing in medical oncology, adult oncology and adult hematology. He graduated from Ohio State University College of Medicine in 2001 and has 25 years of experience. Dr. Mark E. Johns, MD is affiliated with Mercy Health - Anderson Hospital, Mercy Health, Mercy Health - West Hospital, The Jewish Hospital - Mercy Health, Mercy Health - Fairfield Hospital, Mercy Health - Clermont Hospital and ONCOLOGY HEMATOLOGY CARE INC.

Office Locations

Mercy Health - Clermont Hospital

601 Ivy Gateway
Cincinnati, OH 45245

1-888-649-4800

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark E. Johns, MD in 2023

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

Top 5%

By Affordability:

folic acid tests

lactate dehydrogenase test

serum folate test

In 2023, Dr. Mark E. Johns, MD had a list price for folic acid tests, lactate dehydrogenase (LDH) test, and serum folate test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Ohio. 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 10%

By Volume:

biological response modifier therapy

intravenous chemotherapy

In 2023, Dr. Mark E. Johns, MD performed more biological response modifier (BRM) therapy, and intravenous (IV) chemotherapy procedures for Medicare patients than 90% of providers in related specialties within Ohio.

Top 25%

By Volume:

intravenous infusion

lab tests

port flush

By Affordability:

carcinoembryonic antigen test

iron tests

vitamin B12 test

In 2012, among providers in related specialties within Ohio, Dr. Mark E. Johns, MD performed more intravenous (IV) infusion, lab tests, and port flush procedures for Medicare patients than 75% of them and he also had a list price for carcinoembryonic antigen (CEA) test, iron tests, and vitamin B12 test that was lower than the list prices billed to Medicare by 75% of them. 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2012 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

abdominal imaging	19
biological response modifier (BRM) therapy	57
blood draw	182
chemotherapy	57
CT scan	40
doctor visit	678
hospital care	154
inpatient care	154
lab tests	659
minimally invasive procedures	57
pelvic imaging	19
port flush	24
thoracic (chest) imaging	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2013 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

blood draw	409
bone marrow tests	16
diagnostic procedures	16
doctor visit	871
hospital care	217
inpatient care	217
lab tests	766
port flush	30

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	173
Female	203

**Ethnicity**
Non-Hispanic White	360
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	110
85 and over	43
Less than 65	67

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2013

Hypertension	74
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	47
Depression	23
Chronic Kidney Disease	36
Asthma	14
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	35
Diabetes	39
Dementia	8
Cancer	46

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2014 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

blood draw	560
doctor visit	762
hospital care	154
inpatient care	154
lab tests	625
port flush	41

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	157
Female	165

**Age**
From 65 to 74	132
From 75 to 84	103
85 and over	38
Less than 65	49

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2014

Hypertension	64
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	39
Depression	26
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	7
Cancer	38

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2015 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	71
blood draw	276
chemotherapy	71
doctor visit	507
hospital care	210
inpatient care	210
lab tests	472
minimally invasive procedures	71
port flush	39

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	270
Female	360

**Age**
From 65 to 74	268
From 75 to 84	174
85 and over	82
Less than 65	106

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2015

Hypertension	64
High Cholesterol	48
Stroke	7
Ischemic Heart Disease	40
Depression	23
Chronic Kidney Disease	36
Asthma	24
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Dementia	12
Cancer	48

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2016 were lab tests, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	253
blood draw	190
chemotherapy	253
doctor visit	953
hospital care	471
inpatient care	471
lab tests	1040
minimally invasive procedures	322
port flush	92

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	188
Female	318

**Ethnicity**
Non-Hispanic White	480
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	153
85 and over	55
Less than 65	68

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2016

Hypertension	70
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	36
Asthma	24
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	27
Dementia	9
Cancer	52

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2017 were lab tests, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	318
blood draw	153
chemotherapy	318
doctor visit	1079
hospital care	533
inpatient care	533
lab tests	1342
minimally invasive procedures	385
port flush	71

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	185
Female	312

**Ethnicity**
Non-Hispanic White	470
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	136
85 and over	58
Less than 65	74

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2017

Hypertension	67
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	38
Depression	26
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	26
Dementia	12
Cancer	53

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2018 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	493
chemotherapy	493
doctor visit	1482
hospital care	344
inpatient care	344
lab tests	1712
minimally invasive procedures	602
port flush	129

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	198
Female	411

**Ethnicity**
Non-Hispanic White	573
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	189
85 and over	66
Less than 65	75

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2018

Hypertension	67
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	36
Depression	25
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	12
Cancer	51

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2019 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	469
chemotherapy	469
doctor visit	1733
hormone therapy	70
hospital care	199
inpatient care	199
lab tests	1914
minimally invasive procedures	625
port flush	149

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	248
Female	443

**Ethnicity**
Non-Hispanic White	658
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	223
85 and over	72
Less than 65	76

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2019

Hypertension	66
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	9
Cancer	51

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2020 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	496
blood draw	45
chemotherapy	496
doctor visit	1678
hormone therapy	99
hospital care	163
inpatient care	163
lab tests	2233
minimally invasive procedures	656
port flush	132
thyroid function tests	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	226
Female	443

**Ethnicity**
Non-Hispanic White	630
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	338
From 75 to 84	199
85 and over	70
Less than 65	62

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2020

Hypertension	65
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	8
Cancer	52

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	432
blood draw	378
chemotherapy	432
doctor visit	1600
hormone therapy	90
hospital care	156
inpatient care	156
lab tests	2620
minimally invasive procedures	597
port flush	137
thyroid function tests	59

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	251
Female	427

**Ethnicity**
Non-Hispanic White	644
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	321
From 75 to 84	212
85 and over	72
Less than 65	73

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2021

Hypertension	64
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	37
Asthma	5
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	6
Cancer	54

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH during 2022 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

biological response modifier (BRM) therapy	353
chemotherapy	353
doctor visit	1331
hormone therapy	46
hospital care	293
inpatient care	293
lab tests	2154
minimally invasive procedures	447
port flush	92
thyroid function tests	42

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	216
Female	413

**Ethnicity**
Non-Hispanic White	601
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	305
From 75 to 84	218
85 and over	60
Less than 65	46

Conditions of Medicare patients treated by Dr. Mark E. Johns, MD in 2022

Hypertension	71
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	26
Diabetes	30
Dementia	5
Cancer	59

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark E. Johns, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark E. Johns, MD treated as a medical oncologist in Cincinnati, OH were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

abdominal imaging	19
biological response modifier (BRM) therapy	326
blood draw	274
bone marrow tests	16
chemotherapy	326
CT scan	40
diagnostic procedures	16
doctor visit	1152
hormone therapy	76
hospital care	263
inpatient care	263
lab tests	1412
minimally invasive procedures	418
pelvic imaging	19
thoracic (chest) imaging	21
thyroid function tests	40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark E. Johns, MD.

**Gender**
Male	192
Female	317

**Ethnicity**
Black / African American	5
Asian / Pacific Islander	0
Non-Hispanic White	401
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
75 to 84	156
85 and over	56
Less than 65	63
65 to 74	234

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

The highest averages of the most common conditions of Medicare patients that Dr. Mark E. Johns, MD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	61
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	31
Asthma	10
Osteoporosis	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	23
Diabetes	28
Atrial Fibrillation	12
Dementia	8
Cancer	45

Education & Training

Dr. Mark E. Johns, MD graduated from Ohio State University College of Medicine in 2001. He completed residency at Emory University Affiliated Hospitals. He is certified by the American Board of Internal Medicine (Internal Medicine, Hematology) and has a state license in Ohio.

Medical School: Ohio State University College of Medicine (2001)

Residency: Emory University Affiliated Hospitals (2004)

Board Certification: American Board of Internal Medicine (Internal Medicine, Hematology)

Licensed In: Ohio

Affiliations & Hospitals

Dr. Mark E. Johns, MD is associated with these hospitals and organizations:

Mercy Health - Anderson Hospital

Mercy Health

Mercy Health - West Hospital

The Jewish Hospital - Mercy Health

Mercy Health - Fairfield Hospital

Mercy Health - Clermont Hospital

ONCOLOGY HEMATOLOGY CARE INC

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Mark E. Johns, MD appears to accept the following insurance providers: Medicaid, Payer Provider, Medicare OH and CIN-MHS MSSP.

Insurance Accepted by Provider includes:

According to our sources, Dr. Mark E. Johns, MD accepts the following insurance providers:

Medicaid

Payer Provider

Medicare OH

CIN-MHS MSSP

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General Payments

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

**Payments by Company**
Janssen Scientific Affairs, LLC	$147 AKEEGA $147
AstraZeneca Pharmaceuticals LP	$131 LYNPARZA $131
Merck Sharp & Dohme LLC	$124 LYNPARZA $124
Genentech USA, Inc.	$115 Gazyva $115
Novartis Pharmaceuticals Corporation	$110 KISQALI $14	PLUVICTO $14	$83
Other	$579 Prolaris $109	SOLIRIS $83	FOUNDATIONONE LIQUID CDX $80	IMBRUVICA $69	IBRANCE $57	Other $181

**Types of Payments**
Food and Beverage	$1,183
Education	$24

Research Payments

Dr. Mark E. Johns, MD has received 1790 research payments totaling $1,035,065.

Biography

Dr. Mark Johns is a physician who specializes in adult hematology, adult oncology, and medical oncology. Dr. Johns's professional affiliations include The Jewish Hospital - Mercy Health, Mercy Health - West Hospital, and Mercy Health - Anderson Hospital. He obtained his medical school training at Ohio State University College of Medicine and performed his residency at a hospital affiliated with Emory University. He is an in-network provider for Medicaid insurance.