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Dr. John J. Oconnor, MD

Accepting New Patients

(Dr. John Joseph Oconnor, MD)

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Specializes in: Neurology (Brain & Spinal Cord Disease)

University of Chicago, Pritzker School of Medicine

3109 Clearwater Drive Suite A
Prescott, AZ 86305

(928) 778-1066

Dr. John J. Oconnor, MD is a neurologist in Prescott, AZ specializing in neurology (brain & spinal cord disease). He graduated from University of Chicago, Pritzker School of Medicine. Dr. John J. Oconnor, MD is affiliated with Dignity Health, Yavapai Regional Medical Center & Medical Group and Yavapai Regional Medical Center West.

Office Locations

3109 Clearwater Drive Suite A
Prescott, AZ 86305

(928) 778-1066

(928) 778-7270

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In The News

“"From everything I hear from the indigenous peoples, their thinking seems to be 'It's a choice between whether we starve to death or are poisoned to death,'" said Dr. John O'Connor, a general...”—"In Canada's Alberta province, oil sands boom is a two-edged sword", Los Angeles Times, October 2013

Noteworthy Medicare Patient Procedures Performed by Dr. John J. Oconnor, MD in 2023

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

Top 5%

By Volume:

nerve conduction studies

By Affordability:

electrodiagnostic testing

electrophysiological study

nerve conduction studies

In 2023, among providers in related specialties within Arizona, Dr. John J. Oconnor, MD performed more nerve conduction studies (NCS) procedures for Medicare patients than 95% of them and he also had a list price for electrodiagnostic testing, electrophysiological (EP) study, and nerve conduction studies (NCS) 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2012 were diagnostic procedures, hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	3384
doctor visit	690
electroencephalography (EEG)	71
hospital care	89
inpatient care	89

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2013 were diagnostic procedures, hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	427
doctor visit	584
electroencephalography (EEG)	59
hospital care	86
inpatient care	86

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	318
Female	410

**Ethnicity**
Non-Hispanic White	702
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	312
From 75 to 84	254
85 and over	97
Less than 65	65

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2013

Hypertension	66
High Cholesterol	58
Stroke	13
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2014 were diagnostic procedures, hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	496
doctor visit	528
electroencephalography (EEG)	55
hospital care	86
inpatient care	86

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	338
Female	444

**Ethnicity**
Non-Hispanic White	742
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	285
85 and over	94
Less than 65	55

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2014

Hypertension	67
High Cholesterol	56
Stroke	12
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2015 were diagnostic procedures, electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	423
doctor visit	551
electroencephalography (EEG)	58
hospital care	55
inpatient care	55

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	612
Female	762

**Ethnicity**
Non-Hispanic White	1302
Black	0
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	588
From 75 to 84	540
85 and over	170
Less than 65	76

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2015

Hypertension	66
High Cholesterol	54
Stroke	14
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	19
Asthma	14
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2016 were diagnostic procedures, electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	473
doctor visit	496
electroencephalography (EEG)	48
hospital care	37
inpatient care	37

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	309
Female	404

**Ethnicity**
Non-Hispanic White	682
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	254
85 and over	90
Less than 65	46

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2016

Hypertension	67
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	26
Asthma	19
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2017 were diagnostic procedures.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	509
doctor visit	453

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	296
Female	370

**Ethnicity**
Non-Hispanic White	642
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	247
85 and over	77
Less than 65	38

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2017

Hypertension	67
High Cholesterol	57
Stroke	9
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2018 were diagnostic procedures.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	580
doctor visit	391

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	307
Female	420

**Ethnicity**
Non-Hispanic White	687
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	353
From 75 to 84	263
85 and over	76
Less than 65	35

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2018

Hypertension	64
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2019 were diagnostic procedures.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	583
doctor visit	311

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	328
Female	370

**Ethnicity**
Non-Hispanic White	657
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	254
85 and over	79
Less than 65	37

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2019

Hypertension	67
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2020 were diagnostic procedures.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	555
doctor visit	239

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	277
Female	379

**Ethnicity**
Non-Hispanic White	616
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	253
85 and over	61
Less than 65	35

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2020

Hypertension	63
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2021 were diagnostic procedures.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	483
doctor visit	206

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	258
Female	310

**Ethnicity**
Non-Hispanic White	536
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	223
85 and over	55
Less than 65	15

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2021

Hypertension	67
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ during 2022 were diagnostic procedures.

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

diagnostic procedures	496
doctor visit	162

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	268
Female	290

**Ethnicity**
Non-Hispanic White	516
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	294
From 75 to 84	218
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	22
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	2
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John J. Oconnor, MD for Medicare patients.

The highest averages for the top procedures that Dr. John J. Oconnor, MD treated as a neurologist in Prescott, AZ were diagnostic procedures, hospital care, inpatient care and electroencephalography (EEG).

diagnostic procedures	764
doctor visit	419
electroencephalography (EEG)	58
hospital care	70
inpatient care	70

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John J. Oconnor, MD.

**Gender**
Male	301
Female	378

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	643
Native American / Alaskan Native	0
Hispanic	12
Other	3

**Age**
75 to 84	253
85 and over	72
Less than 65	36
65 to 74	312

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

The highest averages of the most common conditions of Medicare patients that Dr. John J. Oconnor, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	60
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	21
Asthma	11
Osteoporosis	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Atrial Fibrillation	9
Dementia	6
Cancer	9

Education & Training

Dr. John J. Oconnor, MD graduated from University of Chicago, Pritzker School of Medicine. He completed residency at Jackson Memorial Medical Center. He is certified by the Psychiatry & Neurology (Sub: Clinical Neurophysiolog Psychiatry & Neurology (Sub: Neuromuscular Medicine) and has a state license in Arizona.

Medical School: University of Chicago, Pritzker School of Medicine

Residency: Jackson Memorial Medical Center

Board Certification: Psychiatry & Neurology (Sub: Clinical Neurophysiolog Psychiatry & Neurology (Sub: Neuromuscular Medicine)

Licensed In: Arizona

Affiliations & Hospitals

Dr. John J. Oconnor, MD is associated with these hospitals and organizations:

Dignity Health

Yavapai Regional Medical Center & Medical Group

Yavapai Regional Medical Center West

Ratings & Reviews

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General Payments

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

**Payments by Company**
Actelion Pharmaceuticals US, Inc.	$147 OPSUMIT MACITENTAN $147
Medtronic Vascular, Inc.	$109 Cardiac Diagnostics and Monitoring $109
Novartis Pharmaceuticals Corporation	$97 ENTRESTO $97
Boehringer Ingelheim Pharmaceuticals, Inc.	$97 Spiriva $97
AbbVie Inc.	$86 UBRELVY $70	QULIPTA $16
Other	$94 PLEGRIDY $84	TECFIDERA $11

**Types of Payments**
Food and Beverage	$547
Education	$84

Biography

Dr. John Oconnor sees patients in Prescott, AZ. His medical specialties are general practice and neurology (brain & spinal cord disease). Before completing his residency at Jackson Memorial Medical Center and MacNeal Hospital, Dr. Oconnor attended medical school at the University of Chicago, Pritzker School of Medicine. He is affiliated with Dignity Health. He has an open panel in PRESCOTT, AZ according to Dignity Health.

Select Year:

Dr. John J. Oconnor, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. John J. Oconnor, MD in 2023

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. John J. Oconnor, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. Oconnor, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John J. 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. John J. Oconnor, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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