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Dr. John Louis McCarthy, MD

(No ratings)

Specializes in: Emergency Medicine

1345 Rxr Plaza
Uniondale, NY 11556

(516) 783-4600

Dr. John Louis McCarthy, MD is an emergency medicine doctor in Uniondale, NY specializing in emergency medicine.

Office Locations

1345 Rxr Plaza
Uniondale, NY 11556

(516) 783-4600

(516) 783-4612

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Noteworthy Medicare Patient Procedures Performed by Dr. John Louis McCarthy, MD in 2023

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

Top 10%

By Affordability:

emergency care

emergency room care

In 2023, Dr. John Louis McCarthy, MD had a list price for emergency care, and emergency room (ER) care that was lower than the list prices billed to Medicare by 90% of providers in related specialties within New York. 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 Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2012 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	152

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2014 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	85

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	40
Female	51

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

**Age**
From 65 to 74	31
From 75 to 84	26
85 and over	22
Less than 65	12

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	49
Depression	27
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	14
Atrial Fibrilation	23
Heart Failure	24
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	20
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2015 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	223

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	194
Female	248

**Ethnicity**
Non-Hispanic White	354
Black	42
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	146
85 and over	136
Less than 65	82

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2015

Hypertension	75
High Cholesterol	65
Stroke	15
Ischemic Heart Disease	53
Depression	36
Chronic Kidney Disease	38
Asthma	15
Osteoperosis	14
Atrial Fibrilation	21
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	28
Cancer	18

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2016 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	200

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	84
Female	116

**Ethnicity**
Non-Hispanic White	183
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	51
85 and over	35
Less than 65	68

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	11
Ischemic Heart Disease	49
Depression	45
Chronic Kidney Disease	52
Asthma	37
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	34
Diabetes	44
Dementia	28
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2017 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	13

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2017

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	52
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	52
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2018 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	86

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	45
Female	34

**Ethnicity**
Non-Hispanic White	0
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	27
From 75 to 84	0
85 and over	0
Less than 65	35

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2018

Hypertension	75
High Cholesterol	56
Stroke	16
Ischemic Heart Disease	57
Depression	41
Chronic Kidney Disease	59
Asthma	29
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	38
Chronic Obstructive Pulmonary Disease	27
Diabetes	65
Dementia	30
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2019 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	87

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	46
Female	43

**Ethnicity**
Non-Hispanic White	0
Black	70
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	23
From 75 to 84	0
85 and over	0
Less than 65	41

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2019

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	49
Depression	34
Chronic Kidney Disease	56
Asthma	29
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	44
Chronic Obstructive Pulmonary Disease	29
Diabetes	52
Dementia	25
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2020 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	69

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	51
Female	19

**Ethnicity**
Non-Hispanic White	0
Black	58
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	0
Less than 65	27

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2020

Hypertension	74
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	46
Depression	30
Chronic Kidney Disease	64
Asthma	27
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	37
Chronic Obstructive Pulmonary Disease	31
Diabetes	54
Dementia	30
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2021 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	104

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	53
Female	38

**Ethnicity**
Non-Hispanic White	0
Black	73
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2021

Hypertension	75
High Cholesterol	60
Stroke	14
Ischemic Heart Disease	52
Depression	41
Chronic Kidney Disease	58
Asthma	27
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	47
Chronic Obstructive Pulmonary Disease	30
Diabetes	53
Dementia	31
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2022 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	101

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	46
Female	47

**Ethnicity**
Non-Hispanic White	0
Black	67
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	20
85 and over	13
Less than 65	25

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	25
Ischemic Heart Disease	44
Depression	43
Chronic Kidney Disease	39
Asthma	30
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	34
Chronic Obstructive Pulmonary Disease	33
Diabetes	57
Dementia	32
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY during 2023 were emergency care.

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

emergency care	101

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	52
Female	39

**Ethnicity**
Non-Hispanic White	0
Black	64
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	27
From 75 to 84	0
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD in 2023

Hypertension	75
High Cholesterol	60
Stroke	19
Ischemic Heart Disease	44
Depression	38
Chronic Kidney Disease	40
Asthma	30
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	41
Chronic Obstructive Pulmonary Disease	34
Diabetes	65
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. John Louis McCarthy, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Louis McCarthy, MD treated as an emergency medicine doctor in Uniondale, NY were emergency care.

emergency care	111

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. John Louis McCarthy, MD.

**Gender**
Male	55
Female	57

**Ethnicity**
Black / African American	39
Asian / Pacific Islander	0
Non-Hispanic White	54
Hispanic	2
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	22
85 and over	18
Less than 65	32
65 to 74	29

Average of Total of Conditions of Medicare patients treated by Dr. John Louis McCarthy, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John Louis McCarthy, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	49
Stroke	9
Ischemic Heart Disease	45
Depression	30
Chronic Kidney Disease	39
Asthma	20
Osteoporosis	3
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	46
Atrial Fibrillation	9
Cancer	7
Dementia	23

Education & Training

He has a state license in New York.

Licensed In: New York

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General Payments

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