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Home > IL Providers > Transplant Surgeons

Dr. Timothy P. Oconnor, MD

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Specializes in: General Surgery and Transplant Surgery

Indiana University School of Medicine (1986)

430 Maxine Drive
Morton, IL 61550

(309) 266-7600

Dr. Timothy P. Oconnor, MD is a general surgeon in Peoria, IL specializing in general surgery and transplant surgery. He graduated from Indiana University School of Medicine in 1986 and has 40 years of experience. Dr. Timothy P. Oconnor, MD is affiliated with OSF Healthcare.

Office Locations

OSF Healthcare

420 Northeast Glen Oak Avenue
Peoria, IL 61603

(309) 655-4101

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430 Maxine Drive
Morton, IL 61550

(309) 266-7600

(309) 266-7680

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Noteworthy Medicare Patient Procedures Performed by Dr. Timothy P. Oconnor, MD in 2023

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

Top 5%

By Volume:

arteriovenous anastomosis

catheterization

dialysis access revision without thrombectomy

hemodialysis access surgery

tunneled central line removal

vascular procedures

By Affordability:

anastomosis

arteriovenous anastomosis

AV graft surgery

dialysis access procedures

dialysis access revision

dialysis access revision without thrombectomy

hemodialysis access procedures

peritoneal catheter placement

tunneled peritoneal catheter insertion

vascular anastomosis

In 2023, among providers in related specialties within Illinois, Dr. Timothy P. Oconnor, MD performed more arteriovenous (AV) anastomosis, catheterization, dialysis access revision without thrombectomy, hemodialysis access surgery, tunneled central line removal, and vascular procedures procedures for Medicare patients than 95% of them and he also had a list price for anastomosis, arteriovenous (AV) anastomosis, AV graft surgery, dialysis access procedures, dialysis access revision, dialysis access revision without thrombectomy, hemodialysis access procedures, peritoneal catheter placement, tunneled peritoneal catheter insertion, and vascular anastomosis that was lower than the list prices billed to Medicare by 95% of them. 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:

abdominal organ transplant

hemodialysis access surgery

kidney transplant

organ transplant surgery

In 2023, Dr. Timothy P. Oconnor, MD had a list price for abdominal organ transplant, hemodialysis access surgery, kidney transplant, and organ transplant surgery 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 Volume:

inpatient hospital care

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within Illinois, Dr. Timothy P. Oconnor, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of them. 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

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2012 were vascular procedures, dialysis access procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	23
anastomosis	103
catheterization	48
device removal	44
dialysis access procedures	147
doctor visit	334
hospital care	120
inpatient care	120
transplant procedures	23
urologic procedures	23
vascular procedures	147

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2013 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	24
anastomosis	79
catheterization	52
device removal	34
dialysis access procedures	124
doctor visit	351
hospital care	140
inpatient care	140
transplant procedures	24
urologic procedures	24
vascular procedures	124

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	213
Female	166

**Ethnicity**
Non-Hispanic White	280
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	64
85 and over	15
Less than 65	191

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	52
Depression	28
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	3
Atrial Fibrilation	15
Heart Failure	51
Chronic Obstructive Pulmonary Disease	23
Diabetes	56
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2014 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	24
anastomosis	65
catheterization	65
device removal	38
dialysis access procedures	88
doctor visit	309
hospital care	197
inpatient care	197
transplant procedures	24
urologic procedures	24
vascular procedures	88

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	181
Female	165

**Ethnicity**
Non-Hispanic White	250
Black	74
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	52
85 and over	18
Less than 65	182

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2014

Hypertension	75
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	57
Chronic Obstructive Pulmonary Disease	26
Diabetes	63
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2015 were vascular procedures, dialysis access procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	13
anastomosis	139
angioplasty	35
catheterization	63
device removal	50
dialysis access procedures	258
doctor visit	353
endocrine surgery	11
hospital care	254
inpatient care	254
neck surgery	11
thrombectomy (blood clot removal)	11
transplant procedures	13
urologic procedures	13
vascular procedures	320
X-rays	51

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	462
Female	418

**Ethnicity**
Non-Hispanic White	678
Black	138
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	162
85 and over	88
Less than 65	372

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	75
Asthma	21
Osteoperosis	5
Atrial Fibrilation	19
Heart Failure	62
Chronic Obstructive Pulmonary Disease	27
Diabetes	61
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2016 were vascular procedures, dialysis access procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	17
anastomosis	99
angioplasty	104
catheterization	72
device removal	49
dialysis access procedures	315
doctor visit	295
endocrine surgery	13
hospital care	192
inpatient care	192
minimally invasive procedures	41
neck surgery	13
stent placement (stenting)	15
thrombectomy (blood clot removal)	26
transplant procedures	17
urologic procedures	17
vascular procedures	438
X-rays	144

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	248
Female	217

**Ethnicity**
Non-Hispanic White	350
Black	88
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	85
85 and over	40
Less than 65	220

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2016

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	54
Depression	26
Chronic Kidney Disease	75
Asthma	28
Osteoperosis	3
Atrial Fibrilation	21
Heart Failure	59
Chronic Obstructive Pulmonary Disease	26
Diabetes	62
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2017 were vascular procedures, dialysis access procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	21
anastomosis	98
catheterization	58
device removal	35
dialysis access procedures	166
doctor visit	301
hospital care	158
inpatient care	158
thrombectomy (blood clot removal)	12
transplant procedures	21
urologic procedures	21
vascular procedures	188

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	236
Female	228

**Ethnicity**
Non-Hispanic White	342
Black	88
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	88
85 and over	37
Less than 65	197

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	54
Depression	25
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	3
Atrial Fibrilation	19
Heart Failure	60
Chronic Obstructive Pulmonary Disease	27
Diabetes	64
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2018 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	20
anastomosis	106
catheterization	51
device removal	49
dialysis access procedures	162
doctor visit	365
endocrine surgery	16
hospital care	223
inpatient care	223
neck surgery	16
transplant procedures	20
urologic procedures	20
vascular procedures	162

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	297
Female	212

**Ethnicity**
Non-Hispanic White	375
Black	94
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	90
85 and over	44
Less than 65	229

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2018

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	54
Depression	29
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	4
Atrial Fibrilation	16
Heart Failure	60
Chronic Obstructive Pulmonary Disease	25
Diabetes	65
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2019 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	24
anastomosis	100
catheterization	67
device removal	39
dialysis access procedures	141
doctor visit	302
hospital care	194
inpatient care	194
transplant procedures	24
urologic procedures	24
vascular procedures	141

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	250
Female	218

**Ethnicity**
Non-Hispanic White	333
Black	93
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	88
85 and over	34
Less than 65	203

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	53
Depression	28
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	4
Atrial Fibrilation	19
Heart Failure	58
Chronic Obstructive Pulmonary Disease	29
Diabetes	64
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2020 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	19
anastomosis	85
catheterization	60
device removal	47
dialysis access procedures	118
doctor visit	238
endocrine surgery	17
hospital care	162
inpatient care	162
neck surgery	17
transplant procedures	19
urologic procedures	19
vascular procedures	118

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	227
Female	165

**Ethnicity**
Non-Hispanic White	280
Black	80
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	73
85 and over	26
Less than 65	160

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	53
Depression	26
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	3
Atrial Fibrilation	21
Heart Failure	65
Chronic Obstructive Pulmonary Disease	27
Diabetes	67
Dementia	12
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2021 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	28
anastomosis	74
catheterization	71
device removal	53
dialysis access procedures	114
doctor visit	250
hospital care	171
inpatient care	171
transplant procedures	28
urologic procedures	28
vascular procedures	114

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	219
Female	167

**Ethnicity**
Non-Hispanic White	295
Black	61
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	93
85 and over	23
Less than 65	147

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	4
Atrial Fibrilation	18
Heart Failure	62
Chronic Obstructive Pulmonary Disease	25
Diabetes	65
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL during 2022 were hospital care, inpatient care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

abdominal surgery	33
anastomosis	70
catheterization	38
device removal	32
dialysis access procedures	98
doctor visit	193
endocrine surgery	11
hospital care	279
inpatient care	279
neck surgery	11
transplant procedures	33
urologic procedures	33
vascular procedures	98

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	199
Female	140

**Ethnicity**
Non-Hispanic White	258
Black	52
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	81
85 and over	24
Less than 65	129

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	5
Atrial Fibrilation	30
Heart Failure	58
Chronic Obstructive Pulmonary Disease	29
Diabetes	60
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Timothy P. Oconnor, MD for Medicare patients.

The highest averages for the top procedures that Dr. Timothy P. Oconnor, MD treated as a general surgeon in Peoria, IL were inpatient care, hospital care, vascular procedures and dialysis access procedures.

abdominal surgery	22
anastomosis	92
angioplasty	69
catheterization	58
device removal	42
dialysis access procedures	157
doctor visit	299
endocrine surgery	13
hospital care	190
inpatient care	190
minimally invasive procedures	41
neck surgery	13
stent placement (stenting)	15
thrombectomy (blood clot removal)	16
transplant procedures	22
urologic procedures	22
vascular procedures	176
X-rays	97

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Timothy P. Oconnor, MD.

**Gender**
Male	230
Female	190

**Ethnicity**
Black / African American	77
Asian / Pacific Islander	0
Non-Hispanic White	312
Native American / Alaskan Native	0
Hispanic	8
Other	0

**Age**
75 to 84	79
85 and over	31
Less than 65	184
65 to 74	124

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

The highest averages of the most common conditions of Medicare patients that Dr. Timothy P. Oconnor, MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	68
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	47
Depression	24
Chronic Kidney Disease	68
Asthma	11
Osteoporosis	3
Heart Failure	53
Chronic Obstructive Pulmonary Disease	24
Diabetes	57
Atrial Fibrillation	17
Cancer	8
Dementia	8

Education & Training

Dr. Timothy P. Oconnor, MD graduated from Indiana University School of Medicine in 1986. He completed residency at St. Louis University (SLU) Affiliated Hospitals. He is certified by the American Board of Surgery - Surgery, American Board of Surgery - Surgery (General Surgery) and has a state license in Illinois.

Medical School: Indiana University School of Medicine (1986)

Residency: St. Louis University (SLU) Affiliated Hospitals (1991)

Board Certification: American Board of Surgery - Surgery, American Board of Surgery - Surgery (General Surgery) (1992)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Timothy P. Oconnor, MD is associated with these hospitals and organizations:

OSF Healthcare

Ratings & Reviews

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General Payments

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

**Payments by Company**
Phraxis, Inc.	$1,147 Intergraft System $1,066	$81
E.R. Squibb & Sons, L.L.C.	$180 ELIQUIS $180
AstraZeneca Pharmaceuticals LP	$28 BRILINTA $28
Novo Nordisk Inc	$18 RYBELSUS $18

**Types of Payments**
Travel and Lodging	$770
Food and Beverage	$602

Research Payments

Dr. Timothy P. Oconnor, MD has received 6 research payments totaling $26,711.

Biography

Dr. Timothy Oconnor specializes in general surgery and transplant surgery and practices in Peoria, IL and Morton, IL. He has a special interest in general surgery. After completing medical school at Indiana University School of Medicine, he performed his residency at a hospital affiliated with St. Louis University (SLU). Dr. Oconnor is affiliated with OSF Healthcare. He has an open panel in Peoria, IL according to OSF Healthcare.

Select Year:

Dr. Timothy P. Oconnor, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Timothy P. Oconnor, MD in 2023

By Volume:

By Affordability:

By Affordability:

By Volume:

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. Timothy P. Oconnor, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. Oconnor, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy P. 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. Timothy P. Oconnor, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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