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Dr. Catherine E. Oconnor, MD

Accepting New Patients

(88 Ratings)

Specializes in: General Surgery

University of South Florida (USF) College of Medicine

Professional interests include: breast cancer

1237 East Main Street
Carbondale, IL 62902

(618) 457-2281

Dr. Catherine E. Oconnor, MD is a general surgeon in Carbondale, IL specializing in general surgery. She graduated from University of South Florida (USF) College of Medicine. Dr. Catherine E. Oconnor, MD is affiliated with Southern Illinois Healthcare and SOUTHERN ILLINOIS MEDICAL SERVICES NFP.

Office Locations

1237 East Main Street
Carbondale, IL 62902

open_in_new

Southern Illinois Healthcare

1237 E Main Street Suite C1
Carbondale, IL 62901

(618) 457-2281

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In The News

“Catherine O'Connor, MD, a surgeon at Southern Illinois Healthcare in Carbondale, told MedPage Today that "a problem with cryoablation is that the scar tissue formed by the ice ball can remain in...”—"Cryoablation for Early-Stage Breast Cancer a Safe Option in Older Women", MedPage Today, April 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Catherine E. Oconnor, MD in 2023

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

Top 5%

By Affordability:

deep lymph node biopsy

In 2023, Dr. Catherine E. Oconnor, MD had a list price for deep lymph node biopsy that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Illinois. 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.

Top 10%

By Affordability:

lymph node biopsy

lymph node procedures

open lymph node biopsy

surgical lymph node biopsy

In 2023, Dr. Catherine E. Oconnor, MD had a list price for lymph node biopsy, lymph node procedures, open lymph node biopsy, and surgical lymph node biopsy that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Illinois. 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.

Top 25%

By Affordability:

lymph node excision

sentinel lymph node mapping

In 2012, Dr. Catherine E. Oconnor, MD had a list price for lymph node excision, and sentinel lymph node mapping that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Illinois. 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

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	180

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	142

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	34
Female	109

**Age**
From 65 to 74	47
From 75 to 84	32
85 and over	29
Less than 65	35

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2013

Hypertension	69
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	36
Depression	31
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	11
Cancer	29

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	107

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	44
Female	69

**Age**
From 65 to 74	46
From 75 to 84	27
85 and over	17
Less than 65	23

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2014

Hypertension	70
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	30
Depression	30
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	10
Cancer	26

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Catherine E. Oconnor, MD treated as a general surgeon in Carbondale, IL during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	112
hospital care	40
inpatient care	40

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	146
Female	164

**Age**
From 65 to 74	104
From 75 to 84	78
85 and over	68
Less than 65	60

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2015

Hypertension	73
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	42
Depression	32
Chronic Kidney Disease	28
Asthma	18
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Catherine E. Oconnor, MD treated as a general surgeon in Carbondale, IL during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	108
hospital care	46
inpatient care	46

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	70
Female	90

**Age**
From 65 to 74	49
From 75 to 84	44
85 and over	33
Less than 65	34

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2016

Hypertension	65
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	41
Depression	29
Chronic Kidney Disease	26
Asthma	24
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	12
Cancer	22

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	91

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	11
Female	81

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	34

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2017

Hypertension	58
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	18
Depression	37
Chronic Kidney Disease	13
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	12
Cancer	47

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	99

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	29

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2018

Hypertension	54
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	20
Depression	44
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	0
Cancer	47

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	57

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

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

**Age**
From 65 to 74	27
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2019

Hypertension	63
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	23
Depression	37
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	0
Cancer	66

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

doctor visit	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	0
Female	13

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2020

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
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	75

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	0
Female	24

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2021

Hypertension	71
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	0
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	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Catherine E. Oconnor, MD treated as a general surgeon in Carbondale, IL during 2022 were excision, lymph node procedures, breast procedures and cancer surgery.

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

breast procedures	47
cancer surgery	47
diagnostic procedures	33
doctor visit	230
excision	80
lymph node procedures	63
open surgery	33

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Age**
From 65 to 74	52
From 75 to 84	33
85 and over	16
Less than 65	23

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Catherine E. Oconnor, MD for Medicare patients.

The highest averages for the top procedures that Dr. Catherine E. Oconnor, MD treated as a general surgeon in Carbondale, IL were excision, lymph node procedures, breast procedures and cancer surgery.

breast procedures	47
cancer surgery	47
diagnostic procedures	33
doctor visit	114
excision	80
hospital care	43
inpatient care	43
lymph node procedures	63
open surgery	33

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Catherine E. Oconnor, MD.

**Gender**
Male	27
Female	50

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	5
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	21
85 and over	14
Less than 65	21
65 to 74	35

Average of Total of Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Catherine E. Oconnor, MD treated were hypertension, high cholesterol, cancer and diabetes.

Hypertension	54
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	20
Depression	23
Chronic Kidney Disease	14
Asthma	5
Osteoporosis	4
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Atrial Fibrillation	5
Cancer	43
Dementia	5

Education & Training

Dr. Catherine E. Oconnor, MD graduated from University of South Florida (USF) College of Medicine. She completed residency at Baystate Medical Center. She has a state license in Maine.

Medical School: University of South Florida (USF) College of Medicine

Residency: Baystate Medical Center

Licensed In: Maine

Affiliations & Hospitals

Dr. Catherine E. Oconnor, MD is associated with these hospitals and organizations:

Southern Illinois Healthcare

SOUTHERN ILLINOIS MEDICAL SERVICES NFP

Ratings & Reviews

Dr. Catherine E. Oconnor, MD has an exceptional overall rating with an average of 4.89 out of 5 stars based on 88 ratings. We collect ratings and reviews of Dr. Catherine E. Oconnor, MD from all over the web to help you find the right in Carbondale, IL.

4.89

Overall Rating

(88 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-08-11

Patient verified via Press Ganey

Dr is always considerate of my feelings and what is going on with me

General Payments

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

**Payments by Company**
HOLOGIC INC	$611 BioZorb $611
Genentech USA, Inc.	$465 Phesgo $89	$376
Focal Therapeutics, Inc.	$155 localizer $106	TRIDENT SPECIMEN RADIOGRAPHY SYSTEM $49
Tactile Systems Technology Inc	$152 ENTRE $152
Novartis Pharmaceuticals Corporation	$63 TASIGNA $45	PIQRAY $17
Other	$181 Mechanical $30	ACUSON Sequoia Diagnostic Ultrasound System $24	XGEVA $22	PADCEV $21	Venclexta $19	Other $65

**Types of Payments**
Food and Beverage	$1,016
Travel and Lodging	$611

Biography

Dr. Catherine O'Connor's specialty is general surgery. Dr. O'Connor graduated from the University of South Florida (USF) College of Medicine. She completed her residency training at Baystate Medical Center. She has a special interest in breast cancer. She is rated 5.0 stars (out of 5) by her patients. Dr. O'Connor is affiliated with Southern Illinois Healthcare. According to Doctor.com, she is currently accepting new patients at her office in Carbondale, IL.

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Dr. Catherine E. Oconnor, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Catherine E. Oconnor, MD in 2023

By Affordability:

By Affordability:

By Affordability:

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. Catherine E. Oconnor, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Catherine E. Oconnor, 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. Catherine E. Oconnor, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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