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Dr. Maria R. Baer, MD

(Dr. Maria Baer, MD)

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

Johns Hopkins University School of Medicine (1979)

10 North Greene Street Maryland Vahcs (512), Baltimore
Baltimore, MD 21201

(410) 328-8708

Dr. Maria R. Baer, MD is a medical oncologist in Baltimore, MD specializing in medical oncology, adult oncology and adult hematology. She graduated from Johns Hopkins University School of Medicine in 1979 and has 47 years of experience. Dr. Maria R. Baer, MD is affiliated with University of Maryland Medical System and U.S. Department of Veterans Affairs.

Office Locations

10 North Greene Street Maryland Vahcs (512), Baltimore
Baltimore, MD 21201

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Noteworthy Medicare Patient Procedures Performed by Dr. Maria R. Baer, MD in 2024

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

Top 25%

By Volume:

inpatient hospital care

By Affordability:

hospital care

inpatient care

In 2012, among providers in related specialties within Maryland, Dr. Maria R. Baer, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and she also had a list price for hospital care, and inpatient care 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. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	424
hospital care	152
inpatient care	152

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	289
hospital care	142
inpatient care	142

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	80
Female	98

**Ethnicity**
Non-Hispanic White	115
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	0
85 and over	0
Less than 65	57

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2013

Hypertension	73
High Cholesterol	51
Stroke	11
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	38
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	440
hospital care	110
inpatient care	110

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	89
Female	90

**Ethnicity**
Non-Hispanic White	121
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	0
85 and over	0
Less than 65	44

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2014

Hypertension	75
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	40
Depression	26
Chronic Kidney Disease	42
Asthma	14
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	36
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	440
hospital care	254
inpatient care	254

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	206
Female	208

**Ethnicity**
Non-Hispanic White	248
Black	142
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	0
85 and over	0
Less than 65	106

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2015

Hypertension	75
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	46
Depression	26
Chronic Kidney Disease	49
Asthma	16
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	39
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	431
hospital care	227
inpatient care	227

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	104
Female	96

**Ethnicity**
Non-Hispanic White	127
Black	62
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	0
85 and over	0
Less than 65	58

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2016

Hypertension	72
High Cholesterol	45
Stroke	7
Ischemic Heart Disease	46
Depression	27
Chronic Kidney Disease	50
Asthma	20
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	33
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	360
hospital care	335
inpatient care	335

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	97
Female	100

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	48
85 and over	12
Less than 65	53

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2017

Hypertension	75
High Cholesterol	48
Stroke	7
Ischemic Heart Disease	45
Depression	29
Chronic Kidney Disease	56
Asthma	18
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	15
Cancer	18

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	305
hospital care	392
inpatient care	392

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	92
Female	92

**Ethnicity**
Non-Hispanic White	95
Black	72
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	48
85 and over	11
Less than 65	50

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2018

Hypertension	75
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	43
Depression	30
Chronic Kidney Disease	60
Asthma	11
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	9
Cancer	29

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	423
hospital care	257
inpatient care	257

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	103
Female	92

**Ethnicity**
Non-Hispanic White	106
Black	75
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	65
85 and over	14
Less than 65	52

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2019

Hypertension	75
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	40
Depression	28
Chronic Kidney Disease	53
Asthma	14
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	15
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	281
hospital care	258
inpatient care	258

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	64
Female	99

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	59
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2020

Hypertension	75
High Cholesterol	55
Stroke	10
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	55
Asthma	16
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	31
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	282
hospital care	294
inpatient care	294

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	89
Female	86

**Ethnicity**
Non-Hispanic White	86
Black	74
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2021

Hypertension	75
High Cholesterol	59
Stroke	15
Ischemic Heart Disease	47
Depression	29
Chronic Kidney Disease	60
Asthma	14
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	38
Chronic Obstructive Pulmonary Disease	17
Diabetes	39
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	200
hospital care	241
inpatient care	241

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	73
Female	87

**Ethnicity**
Non-Hispanic White	85
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	0
85 and over	0
Less than 65	46

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2022

Hypertension	75
High Cholesterol	66
Stroke	27
Ischemic Heart Disease	36
Depression	38
Chronic Kidney Disease	46
Asthma	19
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	156
hospital care	220
inpatient care	220

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	69
Female	70

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

**Age**
From 65 to 74	53
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2023

Hypertension	75
High Cholesterol	64
Stroke	15
Ischemic Heart Disease	34
Depression	44
Chronic Kidney Disease	45
Asthma	20
Osteoperosis	14
Atrial Fibrilation	35
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

doctor visit	262
hospital care	213
inpatient care	213

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Male	74
Female	80

**Ethnicity**
Non-Hispanic White	81
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Maria R. Baer, MD in 2024

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	42
Asthma	15
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	27
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Maria R. Baer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Maria R. Baer, MD treated as a medical oncologist in Baltimore, MD were hospital care and inpatient care.

doctor visit	330
hospital care	238
inpatient care	238

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Maria R. Baer, MD.

**Gender**
Female	92
Male	87

**Ethnicity**
Black / African American	41
Asian / Pacific Islander	0
Non-Hispanic White	103
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	2
75 to 84	28
Less than 65	35
65 to 74	75

Average of Total of Conditions of Medicare patients treated by Dr. Maria R. Baer, MD From 2012 - 2024

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

Hypertension	68
High Cholesterol	51
Stroke	9
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	46
Asthma	14
Osteoporosis	6
Heart Failure	30
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Atrial Fibrillation	15
Cancer	15
Dementia	11

Education & Training

Dr. Maria R. Baer, MD graduated from Johns Hopkins University School of Medicine in 1979. She completed residency at Vanderbilt University Medical Center. She is certified by the American Board of Internal Medicine - Hematology, American Board of Internal Medicine - Internal Medicine and has a state license in Maryland.

Medical School: Johns Hopkins University School of Medicine (1979)

Residency: Vanderbilt University Medical Center (1982)

Board Certification: American Board of Internal Medicine - Hematology, American Board of Internal Medicine - Internal Medicine (1984)

Licensed In: Maryland

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General Payments

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

**Payments by Company**
Amgen Inc.	$225 Kyprolis $116	$109
Agios Pharmaceuticals, Inc.	$140 TIBSOVO $140
Pharmacyclics LLC, An AbbVie Company	$134 IMBRUVICA $134
Pfizer Inc.	$118 BOSULIF $97	VYNDAQEL $22
Alexion Pharmaceuticals, Inc.	$116 SOLIRIS $116
Other	$302 Iclusig $92	RYDAPT $64	REZUROCK $33	$113

**Types of Payments**
Food and Beverage	$1,036

Research Payments

Dr. Maria R. Baer, MD has received 839 research payments totaling $4,475,705.

Biography

Dr. Maria Baer is a Baltimore, MD physician who specializes in adult hematology, adult oncology, and medical oncology. Dr. Baer (or staff) is conversant in Spanish and French. Her hospital/clinic affiliations include the University of Maryland Medical Center (UMMC) and U.S. Department of Veterans Affairs. Dr. Baer attended Johns Hopkins University School of Medicine and subsequently trained at Vanderbilt University Medical Center for residency.