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Dr. Aaron Tobian, MD, PHD

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Specializes in: Blood Banking & Transfusion Medicine

600 N Wolfe Street Department of Pathology, Carnegie 400
Baltimore, MD 21287

(443) 287-0527

Dr. Aaron Tobian, MD, PHD is a transfusion medicine specialist in Baltimore, MD specializing in blood banking & transfusion medicine.

Office Locations

600 N Wolfe Street Department of Pathology, Carnegie 400
Baltimore, MD 21287

(443) 287-0527

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Noteworthy Medicare Patient Procedures Performed by Dr. Aaron Tobian, MD, PHD in 2024

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

Top 5%

By Volume:

therapeutic apheresis

By Affordability:

apheresis

plasma exchange

plasmapheresis

red blood cell exchange apheresis

therapeutic apheresis

In 2024, among providers in related specialties within Maryland, Dr. Aaron Tobian, MD, PHD performed more therapeutic apheresis procedures for Medicare patients than 95% of them and he also had a list price for apheresis, plasma exchange, plasmapheresis, red blood cell exchange apheresis, and therapeutic apheresis 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2012 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	162

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2013 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	151

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	39
Female	50

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

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	0
Less than 65	47

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2013

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	58
Depression	34
Chronic Kidney Disease	69
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	34
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2014 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	95

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	49
Female	36

**Ethnicity**
Non-Hispanic White	57
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	0
85 and over	0
Less than 65	35

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2014

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	67
Depression	27
Chronic Kidney Disease	71
Asthma	0
Osteoperosis	0
Atrial Fibrilation	34
Heart Failure	45
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2015 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	128

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	88
Female	88

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	0
85 and over	0
Less than 65	80

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2015

Hypertension	75
High Cholesterol	44
Stroke	14
Ischemic Heart Disease	57
Depression	33
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	36
Chronic Obstructive Pulmonary Disease	0
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2016 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	73

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	33
Female	24

**Ethnicity**
Non-Hispanic White	30
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	27
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2016

Hypertension	75
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	51
Depression	32
Chronic Kidney Disease	67
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	42
Chronic Obstructive Pulmonary Disease	0
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2017 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	83

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	20
Female	20

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

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

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2017

Hypertension	75
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	50
Depression	35
Chronic Kidney Disease	75
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

2018 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2018 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	90

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	30
Female	29

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

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	37

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2018

Hypertension	69
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	51
Depression	44
Chronic Kidney Disease	63
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	39
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2019 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	78

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	19
Female	29

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

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

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2019

Hypertension	63
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	54
Depression	40
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	40
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2020 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	98

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	26
Female	36

**Ethnicity**
Non-Hispanic White	0
Black	37
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	19
From 75 to 84	11
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2020

Hypertension	66
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	60
Depression	40
Chronic Kidney Disease	58
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	35
Chronic Obstructive Pulmonary Disease	0
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2021 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	231

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	48
Female	59

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

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	60

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2021

Hypertension	74
High Cholesterol	43
Stroke	15
Ischemic Heart Disease	57
Depression	38
Chronic Kidney Disease	67
Asthma	18
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	40
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2022 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	189

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	40
Female	49

**Ethnicity**
Non-Hispanic White	0
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	23
From 75 to 84	0
85 and over	0
Less than 65	47

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2022

Hypertension	70
High Cholesterol	51
Stroke	17
Ischemic Heart Disease	30
Depression	40
Chronic Kidney Disease	47
Asthma	21
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2023 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	136

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	32
Female	41

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

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

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2023

Hypertension	70
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	27
Depression	42
Chronic Kidney Disease	38
Asthma	25
Osteoperosis	0
Atrial Fibrilation	27
Heart Failure	37
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD during 2024 were apheresis.

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

apheresis	97

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	22
Female	30

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

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	30

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2024

Hypertension	71
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	21
Depression	42
Chronic Kidney Disease	52
Asthma	23
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	25
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Aaron Tobian, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Aaron Tobian, MD, PHD treated as a transfusion medicine specialist in Baltimore, MD were apheresis.

apheresis	123

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Aaron Tobian, MD, PHD.

**Gender**
Male	34
Female	37

**Ethnicity**
Black / African American	21
Asian / Pacific Islander	0
Non-Hispanic White	20
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	35
65 to 74	16

Average of Total of Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD From 2012 - 2024

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

Hypertension	66
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	44
Depression	34
Chronic Kidney Disease	57
Asthma	6
Osteoporosis	0
Heart Failure	31
Chronic Obstructive Pulmonary Disease	7
Diabetes	32
Atrial Fibrillation	8
Dementia	1
Cancer	3

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. Aaron Tobian, MD, PHD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Ortho-Clinical Diagnostics, Inc.	$70,060 Diagnostics $63,000	$7,060
Terumo BCT, Inc.	$6,417 Mirasol $6,213	Mirasol Pathogen Reduction Technology System $204
Arrow International, Inc.	$4,051 Arrow $4,051
Teleflex LLC	$232 Arrow $232

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$68,950
Travel and Lodging	$6,432
Consulting Fee	$4,985
Food and Beverage	$394

Research Payments

Dr. Aaron Tobian, MD, PHD has received 1 research payments totaling $74,775.

Biography

Dr. Aaron Tobian is a specialist in blood banking & transfusion medicine. He works in Baltimore, MD. Dr. Tobian obtained a license to practice in Maryland.

Select Year:

Dr. Aaron Tobian, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Aaron Tobian, MD, PHD in 2024

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Aaron Tobian, MD, PHD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Baltimore, MD