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Dr. Brian O'Connor, MD

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

1562 Opossumtown Pike
Frederick, MD 21702

(301) 662-8477

Dr. Brian O'Connor, MD is a medical oncologist in Frederick, MD specializing in medical oncology, adult oncology and adult hematology.

Office Locations

1562 Opossumtown Pike
Frederick, MD 21702

(301) 662-8477

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501 W 7th Street Suite 1a
Frederick, MD 21701

(301) 662-4293

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

doctor visit	1248
hospital care	327
inpatient care	327

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

doctor visit	1110
hospital care	271
inpatient care	271

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	152
Female	306

**Ethnicity**
Non-Hispanic White	431
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	167
85 and over	66
Less than 65	42

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	45
Depression	21
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	9
Cancer	55

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

doctor visit	1114
hospital care	305
inpatient care	305

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	141
Female	304

**Ethnicity**
Non-Hispanic White	413
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	170
85 and over	63
Less than 65	30

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2014

Hypertension	71
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	44
Depression	24
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	11
Cancer	52

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

doctor visit	948
hospital care	185
inpatient care	185

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	272
Female	590

**Ethnicity**
Non-Hispanic White	794
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	354
From 75 to 84	298
85 and over	146
Less than 65	64

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2015

Hypertension	73
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	42
Depression	23
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	10
Cancer	50

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2016 were minimally invasive procedures, lab tests, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

biological response modifier (BRM) therapy	217
blood draw	70
chemotherapy	217
doctor visit	950
hospital care	199
inpatient care	199
lab tests	298
minimally invasive procedures	306
port flush	126

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	243
Female	430

**Ethnicity**
Non-Hispanic White	609
Black	34
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	190
85 and over	110
Less than 65	62

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2016

Hypertension	73
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	46
Depression	24
Chronic Kidney Disease	35
Asthma	26
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	8
Cancer	46

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2017 were minimally invasive procedures, lab tests, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

biological response modifier (BRM) therapy	341
chemotherapy	341
doctor visit	923
hormone therapy	28
hospital care	203
inpatient care	203
lab tests	421
minimally invasive procedures	543
port flush	136

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	301
Female	443

**Ethnicity**
Non-Hispanic White	666
Black	38
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	239
85 and over	101
Less than 65	68

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2017

Hypertension	73
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	10
Cancer	44

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2018 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and lab tests.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

biological response modifier (BRM) therapy	441
chemotherapy	441
doctor visit	936
hormone therapy	50
hospital care	190
inpatient care	190
lab tests	205
minimally invasive procedures	676
port flush	114

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	320
Female	480

**Ethnicity**
Non-Hispanic White	707
Black	47
Hispanic	14
Asian	12
Other	20
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	272
85 and over	96
Less than 65	85

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2018

Hypertension	73
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	43
Depression	30
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	11
Cancer	49

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2019 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and hospital care.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

biological response modifier (BRM) therapy	662
chemotherapy	662
doctor visit	1029
hormone therapy	48
hospital care	176
inpatient care	176
minimally invasive procedures	851
port flush	143

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	348
Female	499

**Ethnicity**
Non-Hispanic White	729
Black	68
Hispanic	17
Asian	11
Other	22
Native American	0

**Age**
From 65 to 74	372
From 75 to 84	286
85 and over	107
Less than 65	82

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	45
Depression	32
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	10
Cancer	48

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2020 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and port flush.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

biological response modifier (BRM) therapy	444
chemotherapy	444
doctor visit	961
hormone therapy	39
minimally invasive procedures	657
port flush	88

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	274
Female	384

**Ethnicity**
Non-Hispanic White	571
Black	53
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	205
85 and over	93
Less than 65	65

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2020

Hypertension	71
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	10
Cancer	46

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD during 2021 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and port flush.

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

biological response modifier (BRM) therapy	172
chemotherapy	172
doctor visit	443
hormone therapy	18
minimally invasive procedures	280
port flush	36

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	193
Female	284

**Ethnicity**
Non-Hispanic White	409
Black	35
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	172
85 and over	60
Less than 65	54

Conditions of Medicare patients treated by Dr. Brian O'Connor, MD in 2021

Hypertension	73
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	11
Cancer	46

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Brian O'Connor, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brian O'Connor, MD treated as a medical oncologist in Frederick, MD were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and lab tests.

biological response modifier (BRM) therapy	379
blood draw	70
chemotherapy	379
doctor visit	966
hormone therapy	36
hospital care	232
inpatient care	232
lab tests	308
minimally invasive procedures	552

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Brian O'Connor, MD.

**Gender**
Male	224
Female	372

**Ethnicity**
Black / African American	34
Asian / Pacific Islander	2
Non-Hispanic White	532
Native American / Alaskan Native	0
Hispanic	4
Other	8

**Age**
75 to 84	199
85 and over	84
Less than 65	55
65 to 74	257

Average of Total of Conditions of Medicare patients treated by Dr. Brian O'Connor, MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Brian O'Connor, MD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	65
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	30
Asthma	10
Osteoporosis	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Atrial Fibrillation	12
Dementia	9
Cancer	43

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

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General Payments

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

**Payments by Company**
Alkermes, Inc.	$9,225 Vivitrol 380 mg $3,825	Vivitrol $3,300	$2,100
Novartis Pharmaceuticals Corporation	$2,713 AFINITOR $2,026	KISQALI $161	NON BRAND $96	TASIGNA $93	PROMACTA $64	Other $273
Genentech USA, Inc.	$1,380 Avastin $480	Kadcyla $256	TARCEVA $159	Perjeta $139	Gazyva $90	Other $256
E.R. Squibb & Sons, L.L.C.	$993 OPDIVO $509	SPRYCEL $164	ERBITUX $73	EMPLICITI $37	$210
GlaxoSmithKline, LLC.	$936 TAFINLAR $27	$909
Other	$4,236 XTANDI $273	IMBRUVICA $200	Zuplenz $149	Gilotrif $141	JAKAFI $136	Other $3,337

**Types of Payments**
Consulting Fee	$9,225
Food and Beverage	$7,657
Travel and Lodging	$2,272
Education	$329

Research Payments

Dr. Brian O'Connor, MD has received 29 research payments totaling $203,956.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Brian O'Connor, MD.

DARA Biosciences, Inc.

2014

$0.00

Physician Covered Recipient

None

Biography

Dr. Brian O'Connor practices adult hematology, adult oncology, and medical oncology in Frederick, MD. Dr. O'Connor obtained a license to practice in Maryland.