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Dr. Francis X. O Connor, MD

(Dr. Francis Xavier Oconnor, MD)

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Specializes in: General Surgery

Tufts University School of Medicine (1987)

57 Prospect Street
Nantucket, MA 02554

(508) 825-8100

Dr. Francis X. O Connor, MD is a general surgeon in Nantucket, MA specializing in general surgery. He graduated from Tufts University School of Medicine in 1987 and has 39 years of experience. Dr. Francis X. O Connor, MD is affiliated with Nantucket Cottage Hospital and NANTUCKET PHYSICIANS ORGANIZATION.

Office Locations

57 Prospect Street
Nantucket, MA 02554

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In The News

“The best way to prevent developing colon cancer is knowing your family history, getting screened and eating as clean as you can, Dr. Francis O'Connor of Nantucket Cottage Hospital said.”—"Page A12", The Inquirer and Mirror, January 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Francis X. O Connor, MD in 2023

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

Top 10%

By Volume:

therapeutic endoscopy

In 2023, Dr. Francis X. O Connor, MD performed more therapeutic endoscopy procedures for Medicare patients than 90% of providers in related specialties within Massachusetts.

Top 25%

By Volume:

colonoscopy

colonoscopy with biopsy

colonoscopy with lesion removal

gastrointestinal biopsy

minimally invasive procedures

removal of lesion

In 2013, Dr. Francis X. O Connor, MD performed more colonoscopy, colonoscopy with biopsy, colonoscopy with lesion removal, gastrointestinal biopsy, minimally invasive procedures, and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Francis X. O Connor, MD treated as a general surgeon in Nantucket, MA during 2018 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Francis X. O Connor, MD for Medicare patients.

diagnostic procedures	14
doctor visit	93
gastrointestinal procedures	14
minimally invasive procedures	14
removal of lesion (e.g. growth)	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	44
Female	33

**Age**
From 65 to 74	33
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2018

The most common conditions of Medicare patients that Dr. Francis X. O Connor, MD treated during 2018 were hypertension, high cholesterol, ischemic heart disease and cancer.

Hypertension	64
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	29

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Francis X. O Connor, MD treated as a general surgeon in Nantucket, MA during 2019 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Francis X. O Connor, MD for Medicare patients.

diagnostic procedures	14
doctor visit	84
gastrointestinal procedures	14
minimally invasive procedures	14
removal of lesion (e.g. growth)	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	64
Female	46

**Age**
From 65 to 74	48
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2019

The most common conditions of Medicare patients that Dr. Francis X. O Connor, MD treated during 2019 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	60
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	27
Depression	12
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	15
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	28
Female	20

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

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2020

The most common conditions of Medicare patients that Dr. Francis X. O Connor, MD treated during 2020 were hypertension, high cholesterol and ischemic heart disease.

Hypertension	60
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	25
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Francis X. O Connor, MD treated as a general surgeon in Nantucket, MA during 2021 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Francis X. O Connor, MD for Medicare patients.

diagnostic procedures	24
gastrointestinal procedures	24
minimally invasive procedures	24
removal of lesion (e.g. growth)	24

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	61
Female	34

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

**Age**
From 65 to 74	54
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2021

The most common conditions of Medicare patients that Dr. Francis X. O Connor, MD treated during 2021 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	69
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	17
Dementia	13
Cancer	21

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Francis X. O Connor, MD treated as a general surgeon in Nantucket, MA during 2022 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Francis X. O Connor, MD for Medicare patients.

diagnostic procedures	20
gastrointestinal procedures	20
minimally invasive procedures	20
removal of lesion (e.g. growth)	20

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	63
Female	42

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2022

The most common conditions of Medicare patients that Dr. Francis X. O Connor, MD treated during 2022 were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	60
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	18
Depression	15
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Francis X. O Connor, MD treated as a general surgeon in Nantucket, MA during 2023 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Francis X. O Connor, MD for Medicare patients.

diagnostic procedures	84
gastrointestinal procedures	84
minimally invasive procedures	84
removal of lesion (e.g. growth)	84

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	80
Female	63

**Ethnicity**
Non-Hispanic White	119
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2023

The most common conditions of Medicare patients that Dr. Francis X. O Connor, MD treated during 2023 were high cholesterol, hypertension, cancer and diabetes.

Hypertension	59
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	17
Depression	13
Chronic Kidney Disease	15
Asthma	11
Osteoperosis	15
Atrial Fibrilation	12
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	0
Cancer	26

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2018 - 2023

Volume of procedures performed by Dr. Francis X. O Connor, MD for Medicare patients.

The highest averages for the top procedures that Dr. Francis X. O Connor, MD treated as a general surgeon in Nantucket, MA were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

diagnostic procedures	31
doctor visit	88
gastrointestinal procedures	31
minimally invasive procedures	31
removal of lesion (e.g. growth)	31

Average Medicare Patient Data From 2018 - 2023

Information about Medicare patients treated by Dr. Francis X. O Connor, MD.

**Gender**
Male	56
Female	39

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	48
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	27
85 and over	0
Less than 65	0
65 to 74	50

Average of Total of Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD From 2018 - 2023

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

Hypertension	62
High Cholesterol	59
Stroke	1
Ischemic Heart Disease	25
Depression	13
Chronic Kidney Disease	16
Asthma	1
Osteoporosis	2
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	11
Atrial Fibrillation	11
Dementia	2
Cancer	19

Education & Training

Dr. Francis X. O Connor, MD graduated from Tufts University School of Medicine in 1987. He has a state license in Massachusetts.

Medical School: Tufts University School of Medicine (1987)

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Francis X. O Connor, MD is associated with these hospitals and organizations:

Nantucket Cottage Hospital

NANTUCKET PHYSICIANS ORGANIZATION

Ratings & Reviews

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Biography

Dr. Francis Oconnor is a medical specialist in general surgery. Dr. Oconnor studied medicine at Tufts University School of Medicine. He is professionally affiliated with Nantucket Cottage Hospital.

Select Year:

Dr. Francis X. O Connor, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Francis X. O Connor, MD in 2023

By Volume:

By Volume:

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2018 - 2023

Average Medicare Patient Data From 2018 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Francis X. O Connor, MD From 2018 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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