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Dr. Gerard Lozanski, MD

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Specializes in: Hematopathology

Poznan University of Medical Sciences (1980 - 1987)

Professional interests include: blood disorders, lymphoma, leukemia

410 W. 10th Avenue
Columbus, OH 43210

(614) 293-8000

Dr. Gerard Lozanski, MD is a hematopathologist in Columbus, OH specializing in hematopathology. He graduated from Poznan University of Medical Sciences in 1987 and has 39 years of experience. Dr. Gerard Lozanski, MD is affiliated with Ohio State University Wexner Medical Center.

Office Locations

Ohio State University Wexner Medical Center

410 W. 10th Avenue
Columbus, OH 43210

(614) 293-8000

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In The News (see more mentions in the news)

"Mechanisms of Ibrutinib Resistance Identified in Chronic Leukemia", Ohio State University Wexner Medical Center

"Ohio State To Study COVID-19 In First Responders With $10 Million Grant", Ohio State University Wexner Medical Center

"Immuno-oncology treatment pre-surgery safe, effective option for localized non-small cell lung cancer", Ohio State University Wexner Medical Center

Noteworthy Medicare Patient Procedures Performed by Dr. Gerard Lozanski, MD in 2024

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

Top 5%

By Volume:

concentrated smear of non-gynecologic specimen

By Affordability:

cytology

non-gynecologic cytology

special stains

In 2024, among providers in related specialties within Ohio, Dr. Gerard Lozanski, MD performed more concentrated smear (cytospin) of non-gynecologic specimen procedures for Medicare patients than 95% of them and he also had a list price for cytology, non-gynecologic cytology, and special stains that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Affordability:

concentrated smear of non-gynecologic specimen

In 2024, Dr. Gerard Lozanski, MD had a list price for concentrated smear (cytospin) of non-gynecologic specimen that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

molecular genetic testing

By Affordability:

genetic testing

in situ hybridization

lab tests

molecular genetic testing

In 2012, among providers in related specialties within Ohio, Dr. Gerard Lozanski, MD performed more molecular genetic testing procedures for Medicare patients than 75% of them and he also had a list price for genetic testing, in situ hybridization, lab tests, and molecular genetic testing 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. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2012 were lab tests and cytology.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	187
lab tests	763

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	123
lab tests	697

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	282
Female	207

**Ethnicity**
Non-Hispanic White	402
Black	71
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	83
85 and over	23
Less than 65	182

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2013

Hypertension	72
High Cholesterol	54
Stroke	11
Ischemic Heart Disease	47
Depression	38
Chronic Kidney Disease	57
Asthma	13
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	33
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2014 were lab tests and cytology.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	176
lab tests	304

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	300
Female	239

**Ethnicity**
Non-Hispanic White	440
Black	72
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	95
85 and over	16
Less than 65	174

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2014

Hypertension	73
High Cholesterol	50
Stroke	9
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	52
Asthma	13
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	163
lab tests	335

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	822
Female	552

**Ethnicity**
Non-Hispanic White	1152
Black	154
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	654
From 75 to 84	324
85 and over	64
Less than 65	332

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2015

Hypertension	75
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	53
Depression	31
Chronic Kidney Disease	54
Asthma	18
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2016 were lab tests and cytology.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	249
lab tests	354

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	487
Female	353

**Ethnicity**
Non-Hispanic White	722
Black	81
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	409
From 75 to 84	195
85 and over	37
Less than 65	199

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2016

Hypertension	73
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	53
Asthma	22
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2017 were cytology and lab tests.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	403
lab tests	291

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	596
Female	483

**Ethnicity**
Non-Hispanic White	928
Black	106
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	546
From 75 to 84	234
85 and over	39
Less than 65	260

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2017

Hypertension	75
High Cholesterol	54
Stroke	9
Ischemic Heart Disease	51
Depression	33
Chronic Kidney Disease	53
Asthma	11
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2018 were cytology and lab tests.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	351
lab tests	334

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	554
Female	385

**Ethnicity**
Non-Hispanic White	796
Black	93
Hispanic	0
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	484
From 75 to 84	218
85 and over	35
Less than 65	202

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2018

Hypertension	75
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	56
Depression	35
Chronic Kidney Disease	57
Asthma	10
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2019 were cytology and lab tests.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	429
lab tests	284

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	507
Female	371

**Ethnicity**
Non-Hispanic White	742
Black	79
Hispanic	0
Asian	0
Other	42
Native American	0

**Age**
From 65 to 74	431
From 75 to 84	207
85 and over	36
Less than 65	204

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2019

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	54
Depression	37
Chronic Kidney Disease	61
Asthma	10
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	32
Chronic Obstructive Pulmonary Disease	29
Diabetes	34
Dementia	20
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2020 were cytology and lab tests.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	304
lab tests	234

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	399
Female	263

**Ethnicity**
Non-Hispanic White	562
Black	58
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	329
From 75 to 84	164
85 and over	24
Less than 65	145

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2020

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	54
Depression	39
Chronic Kidney Disease	63
Asthma	10
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	34
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	22
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2021 were cytology and lab tests.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	404
lab tests	219

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	386
Female	321

**Ethnicity**
Non-Hispanic White	597
Black	76
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	345
From 75 to 84	179
85 and over	35
Less than 65	148

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2021

Hypertension	75
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	49
Depression	39
Chronic Kidney Disease	64
Asthma	9
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	24
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2022 were cytology and lab tests.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	330
lab tests	247

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	342
Female	262

**Ethnicity**
Non-Hispanic White	523
Black	44
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	149
85 and over	18
Less than 65	131

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	15
Ischemic Heart Disease	39
Depression	41
Chronic Kidney Disease	36
Asthma	14
Osteoperosis	15
Atrial Fibrilation	29
Heart Failure	28
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	11
Cancer	25

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2023 were lab tests and cytology.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	271
lab tests	281

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	289
Female	261

**Ethnicity**
Non-Hispanic White	456
Black	39
Hispanic	0
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	154
85 and over	30
Less than 65	87

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2023

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	38
Depression	36
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	14
Atrial Fibrilation	28
Heart Failure	29
Chronic Obstructive Pulmonary Disease	28
Diabetes	35
Dementia	14
Cancer	24

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH during 2024 were cytology, lab tests and second opinions.

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

cytology	352
lab tests	340
second opinions	12

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	360
Female	308

**Ethnicity**
Non-Hispanic White	578
Black	44
Hispanic	0
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	358
From 75 to 84	174
85 and over	36
Less than 65	100

Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD in 2024

Hypertension	75
High Cholesterol	72
Stroke	15
Ischemic Heart Disease	38
Depression	34
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	15
Atrial Fibrilation	26
Heart Failure	31
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Gerard Lozanski, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gerard Lozanski, MD treated as a hematopathologist in Columbus, OH were lab tests, cytology and second opinions.

cytology	287
lab tests	360
second opinions	12

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Gerard Lozanski, MD.

**Gender**
Male	409
Female	308

**Ethnicity**
Black / African American	70
Asian / Pacific Islander	0
Non-Hispanic White	607
Native American / Alaskan Native	0
Hispanic	0
Other	19

**Age**
75 to 84	167
85 and over	30
Less than 65	166
65 to 74	353

Average of Total of Conditions of Medicare patients treated by Dr. Gerard Lozanski, MD From 2012 - 2024

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

Hypertension	68
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	44
Depression	32
Chronic Kidney Disease	48
Asthma	11
Osteoporosis	9
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Atrial Fibrillation	17
Cancer	16
Dementia	13

Education & Training

Dr. Gerard Lozanski, MD graduated from Poznan University of Medical Sciences in 1987. He completed residency at Obstetrics & Gynecology: Poznan University of Medical Sciences, Poznan, Poland. He is certified by the American Board of Pathology - American Board of Pathology/Hematology - American Board of Pathology/Anatomic & Clinical - 9/21/2001 and has a state license in Ohio.

Medical School: Poznan University of Medical Sciences (1987)

Residency: Obstetrics & Gynecology: Poznan University of Medical Sciences, Poznan, Poland (1990)

Board Certification: American Board of Pathology - American Board of Pathology/Hematology - American Board of Pathology/Anatomic & Clinical - 9/21/2001 (2003)

Licensed In: Ohio

Affiliations & Hospitals

Dr. Gerard Lozanski, MD is associated with these hospitals and organizations:

Ohio State University Wexner Medical Center

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General Payments

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

**Payments by Company**
F. Hoffmann-La Roche AG	$4,556 Venclexta $2,649	TECENTRIQ $1,907
Seattle Genetics, Inc.	$13 SGN35 $13

**Types of Payments**
Consulting Fee	$2,649
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$1,920

Research Payments

Dr. Gerard Lozanski, MD has received 22 research payments totaling $244,006.

Biography

Dr. Gerard Lozanski is a specialist in pathology. He works in Columbus, OH. In his practice, Dr. Lozanski focuses on leukemia and lymphoma. He obtained his medical school training at Poznan University of Medical Sciences and performed his residency at Summa Akron City Hospital and St. Thomas Hospital, Akron. He is professionally affiliated with Ohio State University Wexner Medical Center.