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Home > DE Providers > Emergency Physicians

Dr. John Mackenzie, DO

(No ratings)

Specializes in: Emergency Medicine

424 Savannah Road
Lewes, DE 19958

(302) 645-3296

Dr. John Mackenzie, DO is an emergency medicine doctor in Lewes, DE specializing in emergency medicine.

Office Locations

424 Savannah Road
Lewes, DE 19958

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2012 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	746

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2013 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	885

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	357
Female	429

**Ethnicity**
Non-Hispanic White	604
Black	158
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	184
85 and over	133
Less than 65	228

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2013

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	67
Depression	38
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	40
Chronic Obstructive Pulmonary Disease	39
Diabetes	47
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2014 were emergency care and catheterization.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

catheterization	11
emergency care	723

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	338
Female	354

**Ethnicity**
Non-Hispanic White	546
Black	132
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	197
From 75 to 84	203
85 and over	121
Less than 65	171

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2014

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	67
Depression	39
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	43
Chronic Obstructive Pulmonary Disease	35
Diabetes	50
Dementia	27
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2015 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	778

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	648
Female	740

**Ethnicity**
Non-Hispanic White	1062
Black	286
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	420
From 75 to 84	378
85 and over	244
Less than 65	346

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2015

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	63
Depression	33
Chronic Kidney Disease	47
Asthma	23
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	43
Chronic Obstructive Pulmonary Disease	32
Diabetes	50
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2016 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	861

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	349
Female	403

**Ethnicity**
Non-Hispanic White	584
Black	148
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	267
From 75 to 84	190
85 and over	107
Less than 65	188

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2016

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	60
Depression	36
Chronic Kidney Disease	51
Asthma	36
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	40
Chronic Obstructive Pulmonary Disease	35
Diabetes	47
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2017 were emergency care and catheterization.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

catheterization	12
emergency care	715

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	285
Female	384

**Ethnicity**
Non-Hispanic White	511
Black	129
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	225
From 75 to 84	186
85 and over	103
Less than 65	155

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2017

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	66
Depression	39
Chronic Kidney Disease	54
Asthma	12
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	39
Chronic Obstructive Pulmonary Disease	34
Diabetes	48
Dementia	26
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2018 were emergency care and catheterization.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

catheterization	15
emergency care	735

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	330
Female	359

**Ethnicity**
Non-Hispanic White	540
Black	126
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	171
85 and over	124
Less than 65	167

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2018

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	67
Depression	41
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	40
Chronic Obstructive Pulmonary Disease	31
Diabetes	48
Dementia	28
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2019 were emergency care and catheterization.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

catheterization	11
emergency care	606

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	283
Female	299

**Ethnicity**
Non-Hispanic White	449
Black	112
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	157
85 and over	103
Less than 65	122

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2019

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	68
Depression	40
Chronic Kidney Disease	58
Asthma	10
Osteoperosis	12
Atrial Fibrilation	24
Heart Failure	38
Chronic Obstructive Pulmonary Disease	32
Diabetes	52
Dementia	28
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2020 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	552

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	243
Female	290

**Ethnicity**
Non-Hispanic White	428
Black	86
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	162
85 and over	74
Less than 65	110

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2020

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	61
Depression	36
Chronic Kidney Disease	57
Asthma	12
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	40
Chronic Obstructive Pulmonary Disease	33
Diabetes	50
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2021 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	198

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	102
Female	112

**Ethnicity**
Non-Hispanic White	171
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	70
85 and over	36
Less than 65	30

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	71
Depression	38
Chronic Kidney Disease	59
Asthma	8
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	40
Chronic Obstructive Pulmonary Disease	33
Diabetes	54
Dementia	31
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE during 2022 were emergency care.

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

emergency care	134

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	72
Female	83

**Ethnicity**
Non-Hispanic White	134
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	57
85 and over	23
Less than 65	21

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	59
Depression	48
Chronic Kidney Disease	44
Asthma	18
Osteoperosis	14
Atrial Fibrilation	35
Heart Failure	36
Chronic Obstructive Pulmonary Disease	43
Diabetes	49
Dementia	26
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Mackenzie, DO for Medicare patients.

The highest averages for the top procedures that Dr. John Mackenzie, DO treated as an emergency medicine doctor in Lewes, DE were emergency care and catheterization.

catheterization	12
emergency care	630

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Mackenzie, DO.

**Gender**
Male	273
Female	313

**Ethnicity**
Black / African American	109
Asian / Pacific Islander	0
Non-Hispanic White	457
Native American / Alaskan Native	0
Hispanic	2
Other	0

**Age**
75 to 84	159
85 and over	97
Less than 65	139
65 to 74	190

Average of Total of Conditions of Medicare patients treated by Dr. John Mackenzie, DO From 2012 - 2022

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

Hypertension	68
High Cholesterol	68
Stroke	17
Ischemic Heart Disease	59
Depression	35
Chronic Kidney Disease	46
Asthma	14
Osteoporosis	10
Heart Failure	36
Chronic Obstructive Pulmonary Disease	31
Diabetes	45
Atrial Fibrillation	23
Dementia	23
Cancer	14

Education & Training

He has a state license in Delaware.

Licensed In: Delaware

Ratings & Reviews

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General Payments

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

**Payments by Company**
Covidien LP	$33 Trellis $33
Biogen, Inc.	$30 TECFIDERA $30

**Types of Payments**
Food and Beverage	$63

Biography

Dr. John Mackenzie specializes in emergency medicine and practices in Lewes, DE. Dr. Mackenzie has obtained a license to practice in Delaware.

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Dr. John Mackenzie, DO

Office Locations

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 Mackenzie, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Mackenzie, DO 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 Mackenzie, DO From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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