In 2023, Dr. John J. O'Connell, MD had a list price for botulinum toxin injection, botulinum toxin injection for migraine, and chemodenervation that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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:

nerve conduction studies

In 2012, Dr. John J. O'Connell, MD performed more nerve conduction studies (NCS) procedures for Medicare patients than 75% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2012 were diagnostic procedures, electroencephalography (EEG) and evoked potential test.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	979
doctor visit	1680
electroencephalography (EEG)	80
evoked potential test	44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2013 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	130
doctor visit	1645
electroencephalography (EEG)	90

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	250
Female	427

**Ethnicity**
Non-Hispanic White	634
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	170
85 and over	97
Less than 65	186

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2013

Hypertension	56
High Cholesterol	47
Stroke	23
Ischemic Heart Disease	20
Depression	35
Chronic Kidney Disease	15
Asthma	10
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	19
Dementia	25
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2014 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	135
doctor visit	1621
electroencephalography (EEG)	99

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	286
Female	416

**Ethnicity**
Non-Hispanic White	656
Black	0
Hispanic	18
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	181
85 and over	81
Less than 65	178

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2014

Hypertension	57
High Cholesterol	43
Stroke	20
Ischemic Heart Disease	21
Depression	38
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	25
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2015 were diagnostic procedures, electroencephalography (EEG) and evoked potential test.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	146
doctor visit	1676
electroencephalography (EEG)	134
evoked potential test	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	614
Female	912

**Ethnicity**
Non-Hispanic White	1410
Black	0
Hispanic	42
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	552
From 75 to 84	342
85 and over	182
Less than 65	450

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2015

Hypertension	53
High Cholesterol	45
Stroke	22
Ischemic Heart Disease	20
Depression	40
Chronic Kidney Disease	15
Asthma	15
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	25
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2016 were diagnostic procedures, electroencephalography (EEG) and evoked potential test.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	144
doctor visit	1790
electroencephalography (EEG)	118
evoked potential test	62

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	319
Female	481

**Ethnicity**
Non-Hispanic White	744
Black	0
Hispanic	18
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	176
85 and over	93
Less than 65	232

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2016

Hypertension	55
High Cholesterol	42
Stroke	20
Ischemic Heart Disease	19
Depression	37
Chronic Kidney Disease	17
Asthma	21
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	27
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2017 were diagnostic procedures, electroencephalography (EEG) and evoked potential test.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	143
doctor visit	1963
electroencephalography (EEG)	133
evoked potential test	71

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	324
Female	537

**Ethnicity**
Non-Hispanic White	785
Black	0
Hispanic	30
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	198
85 and over	83
Less than 65	249

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2017

Hypertension	52
High Cholesterol	36
Stroke	18
Ischemic Heart Disease	19
Depression	38
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	26
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2018 were diagnostic procedures, electroencephalography (EEG), evoked potential test and minimally invasive procedures.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	155
doctor visit	1820
electroencephalography (EEG)	140
evoked potential test	84
injections	27
minimally invasive procedures	27

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	331
Female	505

**Ethnicity**
Non-Hispanic White	775
Black	0
Hispanic	17
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	313
From 75 to 84	216
85 and over	76
Less than 65	231

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2018

Hypertension	53
High Cholesterol	40
Stroke	18
Ischemic Heart Disease	18
Depression	40
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	19
Dementia	25
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2019 were diagnostic procedures, electroencephalography (EEG), evoked potential test and minimally invasive procedures.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	188
doctor visit	1785
electroencephalography (EEG)	88
evoked potential test	82
injections	32
minimally invasive procedures	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	342
Female	511

**Ethnicity**
Non-Hispanic White	772
Black	0
Hispanic	29
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	321
From 75 to 84	220
85 and over	82
Less than 65	230

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2019

Hypertension	53
High Cholesterol	42
Stroke	14
Ischemic Heart Disease	19
Depression	39
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	20
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2020 were diagnostic procedures, electroencephalography (EEG), minimally invasive procedures and injections.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	116
doctor visit	1272
electroencephalography (EEG)	71
evoked potential test	24
injections	38
minimally invasive procedures	38

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	320
Female	470

**Ethnicity**
Non-Hispanic White	705
Black	0
Hispanic	30
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	313
From 75 to 84	204
85 and over	66
Less than 65	207

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2020

Hypertension	50
High Cholesterol	40
Stroke	12
Ischemic Heart Disease	17
Depression	40
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	18
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2021 were diagnostic procedures, electroencephalography (EEG), minimally invasive procedures and injections.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	128
doctor visit	883
electroencephalography (EEG)	99
evoked potential test	27
injections	31
minimally invasive procedures	31

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	289
Female	439

**Ethnicity**
Non-Hispanic White	655
Black	0
Hispanic	20
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	186
85 and over	66
Less than 65	180

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2021

Hypertension	54
High Cholesterol	44
Stroke	13
Ischemic Heart Disease	17
Depression	37
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	15
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA during 2022 were diagnostic procedures, electroencephalography (EEG), minimally invasive procedures and injections.

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

diagnostic procedures	119
doctor visit	660
electroencephalography (EEG)	87
evoked potential test	36
injections	38
minimally invasive procedures	38

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	285
Female	448

**Ethnicity**
Non-Hispanic White	664
Black	0
Hispanic	15
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	221
85 and over	66
Less than 65	154

Conditions of Medicare patients treated by Dr. John J. O'Connell, MD in 2022

Hypertension	58
High Cholesterol	56
Stroke	17
Ischemic Heart Disease	14
Depression	32
Chronic Kidney Disease	13
Asthma	17
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John J. O'Connell, MD for Medicare patients.

The highest averages for the top procedures that Dr. John J. O'Connell, MD treated as a neurologist in Northampton, MA were diagnostic procedures, electroencephalography (EEG), evoked potential test and minimally invasive procedures.

diagnostic procedures	216
doctor visit	1526
electroencephalography (EEG)	103
evoked potential test	52
injections	33
minimally invasive procedures	33

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John J. O'Connell, MD.

**Gender**
Male	305
Female	467

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	709
Hispanic	21
Native American / Alaskan Native	0
Other	22

**Age**
75 to 84	192
85 and over	81
Less than 65	208
65 to 74	291

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

The highest averages of the most common conditions of Medicare patients that Dr. John J. O'Connell, MD treated were hypertension, high cholesterol, depression and dementia.

Hypertension	49
High Cholesterol	39
Stroke	16
Ischemic Heart Disease	16
Depression	34
Chronic Kidney Disease	15
Asthma	12
Osteoporosis	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Atrial Fibrillation	9
Cancer	8
Dementia	19

Education & Training

He has a state license in Massachusetts.

Licensed In: Massachusetts

Ratings & Reviews

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General Payments

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

**Payments by Company**
Biogen Idec Inc.	$42 PLEGRIDY $42
Depomed, Inc.	$33 Nucynta $33
Supernus Pharmaceuticals, Inc.	$24 TROKENDI XR $24
Next Science LLC	$14 BlastX $14
Biogen, Inc.	$12 TECFIDERA $12

**Types of Payments**
Food and Beverage	$83
Education	$42

Biography

Dr. John Oconnell is a Northampton, MA physician who specializes in neurophysiology and neurology (brain & spinal cord disease). Dr. Oconnell obtained a license to practice in Massachusetts.

Select Year:

Dr. John J. O'Connell, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John J. O'Connell, MD in 2023

By Affordability:

By Volume:

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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, 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. O'Connell, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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