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Home > MD Providers > Geriatric Psychiatrists

Dr. Andrew Charles Warren, MD

(No ratings)

Specializes in: Geriatric Psychiatry and Neurology (Brain & Spinal Cord Disease)

Professional interests include: psychotic disorders, Alzheimer's disease

6501 N Charles Street
Towson, MD 21204

(410) 938-3000

Dr. Andrew Charles Warren, MD is a geriatric psychiatrist in Towson, MD specializing in geriatric psychiatry and neurology (brain & spinal cord disease). Dr. Andrew Charles Warren, MD is affiliated with Sheppard Pratt.

Office Locations

6501 N Charles Street
Towson, MD 21204

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Noteworthy Medicare Patient Procedures Performed by Dr. Andrew Charles Warren, MD in 2024

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

Top 5%

By Volume:

inpatient hospital care

In 2024, Dr. Andrew Charles Warren, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Maryland.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2012 were hospital care, inpatient care, medication management and mental health therapy.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

diagnostic evaluation	29
hospital care	980
inpatient care	980
medication management	966
mental health therapy	158

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2013 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1106
hospital care	977
inpatient care	977
mental health therapy	91

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	204
Female	155

**Ethnicity**
Non-Hispanic White	264
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	0
85 and over	0
Less than 65	303

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2013

Hypertension	46
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	12
Depression	44
Chronic Kidney Disease	14
Asthma	11
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	27
Dementia	25
Cancer	4

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2014 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1046
hospital care	788
inpatient care	788
mental health therapy	83

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	176
Female	140

**Ethnicity**
Non-Hispanic White	240
Black	60
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	0
85 and over	0
Less than 65	262

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2014

Hypertension	41
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	10
Depression	41
Chronic Kidney Disease	12
Asthma	9
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	6
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Dementia	23
Cancer	4

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2015 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1079
hospital care	799
inpatient care	799
mental health therapy	32

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	362
Female	332

**Ethnicity**
Non-Hispanic White	536
Black	134
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	0
85 and over	0
Less than 65	558

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2015

Hypertension	45
High Cholesterol	41
Stroke	3
Ischemic Heart Disease	12
Depression	47
Chronic Kidney Disease	16
Asthma	16
Osteoperosis	7
Atrial Fibrilation	3
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	24
Cancer	3

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1068
hospital care	993
inpatient care	993

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	200
Female	160

**Ethnicity**
Non-Hispanic White	274
Black	73
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	0
85 and over	0
Less than 65	292

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2016

Hypertension	40
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	11
Depression	48
Chronic Kidney Disease	17
Asthma	14
Osteoperosis	6
Atrial Fibrilation	0
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Dementia	27
Cancer	4

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1035
hospital care	715
inpatient care	715

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	196
Female	145

**Ethnicity**
Non-Hispanic White	260
Black	60
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	0
85 and over	0
Less than 65	272

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2017

Hypertension	37
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	11
Depression	45
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Dementia	25
Cancer	4

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	964
hospital care	564
inpatient care	564

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	190
Female	144

**Ethnicity**
Non-Hispanic White	243
Black	71
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	0
85 and over	0
Less than 65	266

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2018

Hypertension	42
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	14
Depression	45
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	6
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Dementia	25
Cancer	4

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	921
hospital care	839
inpatient care	839

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	192
Female	147

**Ethnicity**
Non-Hispanic White	233
Black	85
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	0
85 and over	0
Less than 65	273

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2019

Hypertension	45
High Cholesterol	42
Stroke	3
Ischemic Heart Disease	12
Depression	47
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	20
Cancer	4

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	968
hospital care	659
inpatient care	659

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	152
Female	135

**Ethnicity**
Non-Hispanic White	198
Black	69
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	228

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2020

Hypertension	42
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	9
Depression	43
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	6
Atrial Fibrilation	0
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	21
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	986
hospital care	709
inpatient care	709

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	169
Female	134

**Ethnicity**
Non-Hispanic White	215
Black	67
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	0
85 and over	0
Less than 65	228

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2021

Hypertension	47
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	11
Depression	44
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	5
Chronic Obstructive Pulmonary Disease	5
Diabetes	25
Dementia	24
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1092
hospital care	665
inpatient care	665

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	171
Female	144

**Ethnicity**
Non-Hispanic White	227
Black	59
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	0
85 and over	0
Less than 65	236

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2022

Hypertension	54
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	6
Depression	38
Chronic Kidney Disease	12
Asthma	13
Osteoperosis	10
Atrial Fibrilation	4
Heart Failure	0
Chronic Obstructive Pulmonary Disease	5
Diabetes	23
Dementia	14
Cancer	6

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1081
hospital care	571
inpatient care	571

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	162
Female	130

**Ethnicity**
Non-Hispanic White	210
Black	57
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	199

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2023

Hypertension	52
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	9
Depression	37
Chronic Kidney Disease	11
Asthma	10
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	5
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	14
Cancer	7

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

doctor visit	1090
hospital care	652
inpatient care	652

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	151
Female	134

**Ethnicity**
Non-Hispanic White	204
Black	59
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	0
85 and over	0
Less than 65	188

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2024

Hypertension	56
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	11
Depression	45
Chronic Kidney Disease	13
Asthma	14
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Andrew Charles Warren, MD for Medicare patients.

The highest averages for the top procedures that Dr. Andrew Charles Warren, MD treated as a geriatric psychiatrist in Towson, MD were hospital care, inpatient care, mental health therapy and diagnostic evaluation.

diagnostic evaluation	29
doctor visit	1036
hospital care	762
inpatient care	762
mental health therapy	91

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Andrew Charles Warren, MD.

**Gender**
Male	178
Female	146

**Ethnicity**
Black / African American	67
Asian / Pacific Islander	0
Non-Hispanic White	238
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	0
75 to 84	0
Less than 65	254
65 to 74	50

Average of Total of Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Andrew Charles Warren, MD treated were high cholesterol, hypertension, depression and diabetes.

Hypertension	42
High Cholesterol	42
Stroke	1
Ischemic Heart Disease	9
Depression	40
Chronic Kidney Disease	15
Asthma	10
Osteoporosis	7
Heart Failure	5
Chronic Obstructive Pulmonary Disease	6
Diabetes	22
Atrial Fibrillation	1
Dementia	19
Cancer	3

Education & Training

He completed residency at Johns Hopkins University Affiliated Hospitals. He has a state license in Maryland.

Residency: Johns Hopkins University Affiliated Hospitals

Licensed In: Maryland

Ratings & Reviews

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General Payments

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

**Payments by Company**
Otsuka America Pharmaceutical, Inc.	$335 ABILIFY TABLET $322	Nuedexta $13
Janssen Pharmaceuticals, Inc	$201 INVEGA SUSTENNA $201
AbbVie Inc.	$69 VRAYLAR $69
ITI, Inc.	$62 CAPLYTA $62
Teva Pharmaceuticals USA, Inc.	$57 AUSTEDO $57
Other	$68 COBENFY $27	LYBALVI $16	Brintellix $12	VRAYLAR $12

**Types of Payments**
Education	$485
Food and Beverage	$308

Biography

Dr. Andrew Warren's area of specialization is geriatric psychiatry. He trained at a hospital affiliated with Johns Hopkins University for residency. Clinical interests for Dr. Warren include psychotic disorders and alzheimer's disease. He is professionally affiliated with Sheppard Pratt.

Select Year:

Dr. Andrew Charles Warren, MD

Office Locations

Therapy on Your Terms

Noteworthy Medicare Patient Procedures Performed by Dr. Andrew Charles Warren, MD in 2024

By Volume:

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. Andrew Charles Warren, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew Charles Warren, MD 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. Andrew Charles Warren, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Towson, MD