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Home > IL Providers > Family Physicians & Family Medicine Specialists

Dr. David A. O'Neill, DO

(Dr. David A. Oneill, DO)

(33 Ratings)

Specializes in: Family Medicine

311 W Lincoln Street Suite 200
Belleville, IL 62220

(618) 213-7943

Dr. David A. O'Neill, DO is a family medicine practitioner in Belleville, IL specializing in family medicine. Dr. David A. O'Neill, DO is affiliated with SIHF Healthcare.

Office Locations

180 South Third Street Suite 100 & 300
Belleville, IL 62220

open_in_new

311 W Lincoln Street Suite 200
Belleville, IL 62220

(618) 213-7943

(618) 213-7944

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. David A. O'Neill, DO in 2023

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

Top 5%

By Volume:

immunization

In 2023, Dr. David A. O'Neill, DO performed more immunization (preventive vaccines) procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 10%

By Volume:

flu shot

By Affordability:

lab tests

In 2023, among providers in related specialties within Illinois, Dr. David A. O'Neill, DO performed more flu shot procedures for Medicare patients than 90% of them and he also had a list price for lab tests that was lower than the list prices billed to Medicare by 90% 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 25%

By Affordability:

urine tests

In 2012, Dr. David A. O'Neill, DO had a list price for urine tests 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

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1492
hospital care	943
inpatient care	918
lab tests	49
nursing home care	39
outpatient care	25
preventive care	100
vaccines	100

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2013 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1656
hospital care	818
inpatient care	792
lab tests	41
nursing home care	102
outpatient care	26
preventive care	134
vaccines	134

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	285
Female	315

**Ethnicity**
Non-Hispanic White	560
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	199
85 and over	89
Less than 65	76

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2013

Hypertension	67
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	42
Depression	17
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	4
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	20
Diabetes	25
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2014 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1734
hospital care	870
inpatient care	852
lab tests	41
nursing home care	98
outpatient care	18
preventive care	96
vaccines	96

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	282
Female	341

**Ethnicity**
Non-Hispanic White	576
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	208
85 and over	90
Less than 65	85

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2014

Hypertension	69
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	40
Depression	21
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	23
Diabetes	27
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1755
hospital care	791
inpatient care	757
lab tests	53
nursing home care	75
outpatient care	34
preventive care	160
vaccines	160

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	592
Female	714

**Ethnicity**
Non-Hispanic White	1190
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	560
From 75 to 84	386
85 and over	180
Less than 65	180

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2015

Hypertension	70
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	40
Depression	20
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2016 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1761
hospital care	979
inpatient care	963
lab tests	36
nursing home care	50
outpatient care	16
preventive care	154
vaccines	154

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	297
Female	331

**Ethnicity**
Non-Hispanic White	566
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	178
85 and over	97
Less than 65	68

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2016

Hypertension	72
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	41
Depression	21
Chronic Kidney Disease	25
Asthma	26
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2017 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1784
hospital care	807
inpatient care	794
lab tests	24
nursing home care	83
outpatient care	13
preventive care	173
vaccines	173

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	311
Female	333

**Ethnicity**
Non-Hispanic White	588
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	182
85 and over	101
Less than 65	76

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2017

Hypertension	70
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	40
Depression	18
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	29
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2018 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1960
hospital care	646
inpatient care	634
lab tests	44
nursing home care	123
outpatient care	12
preventive care	228
vaccines	212

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	312
Female	313

**Ethnicity**
Non-Hispanic White	558
Black	49
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	177
85 and over	89
Less than 65	69

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2018

Hypertension	70
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	39
Depression	18
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	4
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	29
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2019 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1945
lab tests	19
preventive care	155
vaccines	155

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	286
Female	301

**Ethnicity**
Non-Hispanic White	524
Black	46
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	162
85 and over	78
Less than 65	52

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2019

Hypertension	75
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	3
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2020 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1274
lab tests	19
preventive care	111
vaccines	97

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	284
Female	292

**Ethnicity**
Non-Hispanic White	507
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	158
85 and over	85
Less than 65	52

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2020

Hypertension	69
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	3
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2021 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1412
lab tests	35
preventive care	165
vaccines	165

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	299
Female	296

**Ethnicity**
Non-Hispanic White	521
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	280
From 75 to 84	170
85 and over	95
Less than 65	50

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2021

Hypertension	71
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	32
Asthma	5
Osteoperosis	3
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2022 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1408
lab tests	21
preventive care	262
vaccines	262

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	323
Female	306

**Ethnicity**
Non-Hispanic White	545
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	186
85 and over	100
Less than 65	52

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2022

Hypertension	75
High Cholesterol	70
Stroke	4
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	17
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL during 2023 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

doctor visit	1208
lab tests	14
preventive care	131
vaccines	131

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Male	313
Female	284

**Ethnicity**
Non-Hispanic White	519
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	277
From 75 to 84	191
85 and over	81
Less than 65	48

Conditions of Medicare patients treated by Dr. David A. O'Neill, DO in 2023

Hypertension	75
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. David A. O'Neill, DO for Medicare patients.

The highest averages for the top procedures that Dr. David A. O'Neill, DO treated as a family medicine practitioner in Belleville, IL were hospital care, inpatient care, preventive care and vaccines.

doctor visit	1615
hospital care	836
inpatient care	815
lab tests	33
nursing home care	81
outpatient care	20
preventive care	155
vaccines	153

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. David A. O'Neill, DO.

**Gender**
Female	318
Male	298

**Ethnicity**
Black / African American	43
Asian / Pacific Islander	0
Non-Hispanic White	554
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	183
85 and over	90
Less than 65	67
65 to 74	276

Average of Total of Conditions of Medicare patients treated by Dr. David A. O'Neill, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. David A. O'Neill, DO treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	65
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	23
Asthma	8
Osteoporosis	4
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	26
Atrial Fibrillation	12
Dementia	7
Cancer	11

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Affiliations & Hospitals

Dr. David A. O'Neill, DO is associated with these hospitals and organizations:

SIHF Healthcare

Ratings & Reviews

Dr. David A. O'Neill, DO has a high overall rating with an average of 4.38 out of 5 stars based on 33 ratings. We collect ratings and reviews of Dr. David A. O'Neill, DO from all over the web to help you find the right in Belleville, IL.

4.38

Overall Rating

(33 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. David A. O'Neill, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$1,550 RYBELSUS $430	Victoza $425	Ozempic $352	Saxenda $131	NovoLog $107	Other $105
AstraZeneca Pharmaceuticals LP	$1,479 FARXIGA $600	SYMBICORT $174	CRESTOR $160	BREZTRI $105	BREZTRI AEROSPHERE $86	Other $355
Janssen Pharmaceuticals, Inc	$1,038 XARELTO $808	INVOKANA $138	SPRAVATO $80	INVOKAMET $11
Pfizer Inc.	$931 ELIQUIS $290	ZAVZPRET $116	COLOGUARD DNA CAPTURE REAGENTS $108	LYRICA $82	VIAGRA $75	Other $260
AbbVie Inc.	$590 VRAYLAR $298	QULIPTA $121	UBRELVY $71	LINZESS $70	Creon $17	Other $14
Other	$4,141 AJOVY $313	NURTEC ODT $213	Kerendia $197	JARDIANCE $160	Vascepa $159	Other $3,098