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Dr. Thomas P. O'Connor JR., MD

(Dr. Thomas Patrick O'Connor Jr., M.D.)

(99 Ratings)

Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

SUNY, University at Buffalo School of Medicine & Biomedical Sciences

51 Performance Drive Suite #110
Weymouth, MA 02189

(781) 337-9091

Dr. Thomas P. O'Connor JR., MD is a medical oncologist in Weymouth, MA specializing in medical oncology, adult oncology and adult hematology. He graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences. Dr. Thomas P. O'Connor JR., MD is affiliated with Dana-Farber Cancer Institute and South Shore Health.

Office Locations

101 Columbian Street
Weymouth, MA 02190

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101 Columbian Street
Weymouth Town, MA 02190

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51 Performance Drive Suite #110
Weymouth, MA 02189

(781) 337-9091

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In The News

“Thomas P. O'Connor Jr., M.D., is an oncologist at the Weymouth office of Commonwealth Hematology-Oncology and the Commonwealth Atrius Cancer Center, a collaboration between CHO and Atrius Health.”—"Physicians Focus: Living with cancer? You're not alone", Mtshasta News, October 2010

“Thomas O'Connor, a scholar of Boston history at Boston College, says Bostonians have an ''inferiority complex'' forged as far back as the late 19th century when Boston began to be overtaken as...”—"It's a Ballgame, a Mind Game, in 0-for-85 Boston (Published 2003)", New York Times, October 2003

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2012 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

biological response modifier (BRM) therapy	242
blood draw	1430
chemotherapy	242
doctor visit	1736
hospital care	156
inpatient care	156
lab tests	1679
minimally invasive procedures	328

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2013 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

biological response modifier (BRM) therapy	339
blood draw	1525
chemotherapy	339
doctor visit	1929
hospital care	124
inpatient care	124
lab tests	2019
minimally invasive procedures	398

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	274
Female	286

**Ethnicity**
Non-Hispanic White	538
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	204
85 and over	88
Less than 65	49

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2013

Hypertension	71
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	11
Cancer	42

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2014 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

aspiration	12
biological response modifier (BRM) therapy	410
blood draw	1934
bone marrow tests	24
chemotherapy	410
diagnostic procedures	24
doctor visit	2395
hospital care	110
inpatient care	110
lab tests	2376
minimally invasive procedures	523
port flush	59

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	299
Female	363

**Ethnicity**
Non-Hispanic White	635
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	239
85 and over	122
Less than 65	60

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2014

Hypertension	68
High Cholesterol	49
Stroke	7
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	11
Cancer	42

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2015 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

biological response modifier (BRM) therapy	367
blood draw	1893
chemotherapy	367
doctor visit	2239
hormone therapy	25
hospital care	109
inpatient care	109
lab tests	2214
minimally invasive procedures	528

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	626
Female	668

**Ethnicity**
Non-Hispanic White	1244
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	486
From 75 to 84	454
85 and over	228
Less than 65	126

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2015

Hypertension	75
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	9
Cancer	43

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2016 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

aspiration	11
biological response modifier (BRM) therapy	342
blood draw	1821
bone marrow tests	22
chemotherapy	342
diagnostic procedures	22
doctor visit	2355
hormone therapy	24
hospital care	17
inpatient care	17
lab tests	1946
minimally invasive procedures	472

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	414
Female	318

**Ethnicity**
Non-Hispanic White	695
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	265
85 and over	108
Less than 65	53

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2016

Hypertension	70
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	41
Depression	19
Chronic Kidney Disease	38
Asthma	19
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	12
Cancer	49

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

doctor visit	1733
hospital care	20
inpatient care	20

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	389
Female	218

**Ethnicity**
Non-Hispanic White	579
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	230
85 and over	83
Less than 65	38

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2017

Hypertension	70
High Cholesterol	41
Stroke	5
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	13
Cancer	53

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

doctor visit	2003
hospital care	29
inpatient care	29

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	447
Female	238

**Ethnicity**
Non-Hispanic White	648
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	250
85 and over	109
Less than 65	45

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2018

Hypertension	71
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	5
Atrial Fibrilation	18
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	14
Cancer	55

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

doctor visit	2071
hospital care	73
inpatient care	73

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	530
Female	293

**Ethnicity**
Non-Hispanic White	776
Black	14
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	321
85 and over	109
Less than 65	61

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2019

Hypertension	69
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	37
Depression	22
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	12
Cancer	54

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

doctor visit	1763
hospital care	20
inpatient care	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	460
Female	266

**Ethnicity**
Non-Hispanic White	678
Black	0
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	302
85 and over	91
Less than 65	44

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2020

Hypertension	68
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	26
Dementia	10
Cancer	58

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

doctor visit	1917
hospital care	11
inpatient care	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	505
Female	310

**Ethnicity**
Non-Hispanic White	772
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	357
85 and over	119
Less than 65	44

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2021

Hypertension	73
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Dementia	11
Cancer	57

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

doctor visit	1802
hospital care	12
inpatient care	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	467
Female	279

**Ethnicity**
Non-Hispanic White	706
Black	0
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	339
85 and over	115
Less than 65	32

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	14
Atrial Fibrilation	24
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	27
Dementia	7
Cancer	62

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Thomas P. O'Connor JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas P. O'Connor JR., MD treated as a medical oncologist in Weymouth, MA were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	11
biological response modifier (BRM) therapy	340
blood draw	1720
bone marrow tests	23
chemotherapy	340
diagnostic procedures	23
doctor visit	1994
hormone therapy	24
hospital care	61
inpatient care	61
lab tests	2046
minimally invasive procedures	449

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Thomas P. O'Connor JR., MD.

**Gender**
Male	401
Female	294

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	661
Native American / Alaskan Native	0
Hispanic	0
Other	15

**Age**
75 to 84	269
85 and over	106
Less than 65	50
65 to 74	269

Average of Total of Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Thomas P. O'Connor JR., MD treated were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	64
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	34
Asthma	8
Osteoporosis	7
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Atrial Fibrillation	15
Dementia	10
Cancer	46

Education & Training

Dr. Thomas P. O'Connor JR., MD graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences. He completed residency at Rochester General Hospital. He is certified by the Board Certification: Medical Oncology and has a state license in Massachusetts.

Medical School: SUNY, University at Buffalo School of Medicine & Biomedical Sciences

Residency: Rochester General Hospital

Board Certification: Board Certification: Medical Oncology

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Thomas P. O'Connor JR., MD is associated with these hospitals and organizations:

Dana-Farber Cancer Institute

South Shore Health

Ratings & Reviews

Dr. Thomas P. O'Connor JR., MD has an exceptional overall rating with an average of 4.95 out of 5 stars based on 99 ratings. We collect ratings and reviews of Dr. Thomas P. O'Connor JR., MD from all over the web to help you find the right in Weymouth, MA.

4.95

Overall Rating

(99 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Janssen Biotech, Inc.	$121 IMBRUVICA $100	DARZALEX $21
Astellas Pharma US Inc	$100 $100
Ethicon US, LLC	$39 Sutures $39
Pfizer Inc.	$15 IBRANCE $15
Pharmacyclics LLC, An AbbVie Company	$15 IMBRUVICA $15
Other	$3 Rubraca $3

**Types of Payments**
Education	$232
Food and Beverage	$60

Biography

Dr. Thomas O'Connor's medical specialty is adult hematology, adult oncology, and medical oncology. Dr. O'Connor's average rating from his patients is 5.0 stars (out of 5). He graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences and then he performed his residency at Rochester General Hospital. He is affiliated with South Shore Health and Dana-Farber Cancer Institute.

Select Year:

Dr. Thomas P. O'Connor JR., MD

Office Locations

In The News

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. Thomas P. O'Connor JR., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Thomas P. O'Connor JR., MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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