Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > DE Providers > Internists & Internal Medicine Doctors

Dr. John H. Oneill JR., DO

(1 Rating)

Specializes in: Internal Medicine (Adult Medicine) and Hospital Medicine (Hospitalist)

4755 Ogletown Stanton Road Suite 5a43
Newark, DE 19718

(302) 623-0188

Dr. John H. Oneill JR., DO is an internist in Newark, DE specializing in internal medicine (adult medicine) and hospital medicine (hospitalist).

Office Locations

4755 Ogletown Stanton Road Suite 5a43
Newark, DE 19718

(302) 623-0188

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. John H. Oneill JR., DO in 2023

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. John H. Oneill JR., DO performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Delaware.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2012 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

doctor visit	1586
hospital care	118
inpatient care	118
preventive care	333
vaccines	333

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2013 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

aspiration	13
doctor visit	1593
hospital care	61
injections	13
inpatient care	61
preventive care	316
vaccines	316

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	296
Female	294

**Ethnicity**
Non-Hispanic White	531
Black	36
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	286
From 75 to 84	207
85 and over	61
Less than 65	36

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2013

Hypertension	71
High Cholesterol	69
Stroke	4
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	36
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2014 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

aspiration	15
doctor visit	1502
hospital care	123
injections	15
inpatient care	123
preventive care	313
vaccines	313

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	310
Female	315

**Ethnicity**
Non-Hispanic White	558
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	217
85 and over	70
Less than 65	47

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2014

Hypertension	73
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	38
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2015 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

doctor visit	1516
hospital care	263
inpatient care	263
preventive care	627
vaccines	627

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	658
Female	726

**Ethnicity**
Non-Hispanic White	1220
Black	106
Hispanic	32
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	654
From 75 to 84	428
85 and over	198
Less than 65	104

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2015

Hypertension	75
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	29
Asthma	15
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2016 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

doctor visit	680
hospital care	706
inpatient care	686
outpatient care	20
preventive care	24
vaccines	24

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	356
Female	407

**Ethnicity**
Non-Hispanic White	621
Black	108
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	297
From 75 to 84	242
85 and over	135
Less than 65	89

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2016

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	43
Depression	36
Chronic Kidney Disease	45
Asthma	28
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	43
Dementia	22
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	1038
inpatient care	1022
outpatient care	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	231
Female	254

**Ethnicity**
Non-Hispanic White	359
Black	102
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	133
85 and over	93
Less than 65	114

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2017

Hypertension	75
High Cholesterol	73
Stroke	24
Ischemic Heart Disease	63
Depression	53
Chronic Kidney Disease	68
Asthma	15
Osteoperosis	13
Atrial Fibrilation	31
Heart Failure	51
Chronic Obstructive Pulmonary Disease	40
Diabetes	53
Dementia	32
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2018 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	975
inpatient care	961
outpatient care	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	204
Female	247

**Ethnicity**
Non-Hispanic White	336
Black	90
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	132
85 and over	88
Less than 65	98

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2018

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	63
Depression	57
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	11
Atrial Fibrilation	37
Heart Failure	49
Chronic Obstructive Pulmonary Disease	35
Diabetes	0
Dementia	37
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	1008
inpatient care	1008

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	192
Female	239

**Ethnicity**
Non-Hispanic White	315
Black	88
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	135
85 and over	75
Less than 65	89

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2019

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	58
Depression	54
Chronic Kidney Disease	72
Asthma	15
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	47
Chronic Obstructive Pulmonary Disease	32
Diabetes	54
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	756
inpatient care	756

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	163
Female	190

**Ethnicity**
Non-Hispanic White	273
Black	67
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	124
85 and over	61
Less than 65	58

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2020

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	58
Depression	54
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	49
Chronic Obstructive Pulmonary Disease	29
Diabetes	52
Dementia	35
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	928
inpatient care	928

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	221
Female	220

**Ethnicity**
Non-Hispanic White	319
Black	93
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	140
85 and over	79
Less than 65	59

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	57
Depression	53
Chronic Kidney Disease	73
Asthma	15
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	46
Chronic Obstructive Pulmonary Disease	31
Diabetes	54
Dementia	36
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	827
inpatient care	827

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	161
Female	209

**Ethnicity**
Non-Hispanic White	283
Black	62
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	133
85 and over	88
Less than 65	35

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	49
Depression	46
Chronic Kidney Disease	50
Asthma	14
Osteoperosis	17
Atrial Fibrilation	38
Heart Failure	43
Chronic Obstructive Pulmonary Disease	29
Diabetes	49
Dementia	34
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

hospital care	1000
inpatient care	1000

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Male	191
Female	231

**Ethnicity**
Non-Hispanic White	319
Black	74
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	151
85 and over	96
Less than 65	56

Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO in 2023

Hypertension	75
High Cholesterol	75
Stroke	25
Ischemic Heart Disease	54
Depression	47
Chronic Kidney Disease	50
Asthma	16
Osteoperosis	16
Atrial Fibrilation	41
Heart Failure	47
Chronic Obstructive Pulmonary Disease	35
Diabetes	51
Dementia	28
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. John H. Oneill JR., DO for Medicare patients.

The highest averages for the top procedures that Dr. John H. Oneill JR., DO treated as an internist in Newark, DE were hospital care, inpatient care, preventive care and vaccines.

aspiration	14
doctor visit	1375
hospital care	650
injections	14
inpatient care	646
outpatient care	16
preventive care	322
vaccines	322

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. John H. Oneill JR., DO.

**Gender**
Female	277
Male	248

**Ethnicity**
Black / African American	72
Asian / Pacific Islander	0
Non-Hispanic White	427
Hispanic	9
Native American / Alaskan Native	0
Other	3

**Age**
85 and over	87
75 to 84	170
Less than 65	65
65 to 74	203

Average of Total of Conditions of Medicare patients treated by Dr. John H. Oneill JR., DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John H. Oneill JR., DO treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	67
Stroke	15
Ischemic Heart Disease	45
Depression	38
Chronic Kidney Disease	48
Asthma	13
Osteoporosis	10
Heart Failure	34
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Atrial Fibrillation	25
Dementia	24
Cancer	14

Education & Training

He has a state license in Delaware.

Licensed In: Delaware

Ratings & Reviews

Dr. John H. Oneill JR., DO has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. John H. Oneill JR., DO from all over the web to help you find the right in Newark, DE.

Overall Rating

(1 Rating)

Leave a Review

General Payments

These charts describe general payments received by Dr. John H. Oneill JR., DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Merck Sharp & Dohme Corporation	$1,483 NON-PRODUCT $1,483
Novo Nordisk Inc	$125 Saxenda $125
Mission Pharmacal Company	$15 Ovace $15
SANOFI PASTEUR INC.	$14 FLUZONE QIV $14

**Types of Payments**
Travel and Lodging	$988
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$495
Food and Beverage	$154

Biography

Dr. John Oneill sees patients in Newark, DE. His medical specialty is hospital medicine (hospitalist). He attended medical school at Des Moines University, College of Osteopathic Medicine.