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Dr. C Ronald Mackenzie, MD

(Dr. C. Ronald Mackenzie, M.D.)

(3 Ratings)

Specializes in: Internal Medicine (Adult Medicine) and Rheumatology (Arthritis & Autoimmune Diseases)

University of Calgary Faculty of Medicine

Professional interests include: perioperative medicine, rheumatic diseases

1133 Westchester Avenue
White Plains, NY 10604

(212) 606-1669

Dr. C Ronald Mackenzie, MD is an internist in White Plains, NY specializing in internal medicine (adult medicine) and rheumatology (arthritis & autoimmune diseases). He graduated from University of Calgary Faculty of Medicine. Dr. C Ronald Mackenzie, MD is affiliated with NewYork-Presbyterian and Hospital for Special Surgery.

Office Locations

1133 Westchester Avenue
White Plains, NY 10604

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535 East 70th Street 3rd and 6th Floors
New York, NY 10021

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In The News

“"The delivery of medical care takes place in a particular social context, and when this context includes conditions that are unfair, health care practitioners may be forced to struggle with ethical...”—"Doctors lie to help get patients the care they need", Fox News, March 2015

Noteworthy Medicare Patient Procedures Performed by Dr. C Ronald Mackenzie, MD in 2023

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

Top 25%

By Volume:

immunization

inpatient hospital care

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within New York, Dr. C Ronald Mackenzie, MD performed more immunization (preventive vaccines), and inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% 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. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	30
doctor visit	1012
hospital care	511
injections	30
inpatient care	511
preventive care	90
vaccines	90

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2013 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	35
doctor visit	1009
hospital care	440
injections	35
inpatient care	440
preventive care	107
vaccines	107

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	300
Female	429

**Ethnicity**
Non-Hispanic White	661
Black	17
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	324
From 75 to 84	287
85 and over	89
Less than 65	29

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2013

Hypertension	53
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	36
Depression	15
Chronic Kidney Disease	9
Asthma	6
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2014 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	31
doctor visit	1038
hospital care	495
injections	31
inpatient care	495
preventive care	71
vaccines	71

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	294
Female	436

**Ethnicity**
Non-Hispanic White	647
Black	21
Hispanic	29
Asian	11
Other	22
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	266
85 and over	85
Less than 65	31

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2014

Hypertension	53
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	35
Depression	18
Chronic Kidney Disease	11
Asthma	6
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	38
doctor visit	1137
hospital care	526
injections	38
inpatient care	526
preventive care	89
vaccines	89

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	680
Female	938

**Ethnicity**
Non-Hispanic White	1422
Black	44
Hispanic	60
Asian	26
Other	66
Native American	0

**Age**
From 65 to 74	780
From 75 to 84	560
85 and over	208
Less than 65	70

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2015

Hypertension	55
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	11
Asthma	7
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2016 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	46
doctor visit	1146
hospital care	420
injections	46
inpatient care	420
preventive care	48
vaccines	48

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	315
Female	453

**Ethnicity**
Non-Hispanic White	669
Black	0
Hispanic	36
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	386
From 75 to 84	261
85 and over	103
Less than 65	18

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2016

Hypertension	53
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	11
Asthma	9
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2017 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	32
doctor visit	1067
hospital care	441
injections	32
inpatient care	441
preventive care	58
vaccines	58

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	337
Female	459

**Ethnicity**
Non-Hispanic White	706
Black	15
Hispanic	25
Asian	16
Other	34
Native American	0

**Age**
From 65 to 74	353
From 75 to 84	302
85 and over	113
Less than 65	28

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2017

Hypertension	52
High Cholesterol	41
Stroke	3
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	14
Asthma	5
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2018 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	27
blood draw	18
doctor visit	1033
hospital care	385
injections	27
inpatient care	385
preventive care	72
vaccines	72

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	318
Female	446

**Ethnicity**
Non-Hispanic White	663
Black	24
Hispanic	21
Asian	11
Other	45
Native American	0

**Age**
From 65 to 74	339
From 75 to 84	286
85 and over	114
Less than 65	25

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2018

Hypertension	54
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2019 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	27
blood draw	19
doctor visit	1015
hospital care	308
injections	27
inpatient care	308
preventive care	71
vaccines	71

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	288
Female	478

**Ethnicity**
Non-Hispanic White	649
Black	29
Hispanic	23
Asian	0
Other	45
Native American	0

**Age**
From 65 to 74	340
From 75 to 84	279
85 and over	121
Less than 65	26

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2019

Hypertension	53
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2020 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	29
blood draw	41
doctor visit	828
hospital care	247
injections	29
inpatient care	247
preventive care	86
vaccines	86

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	269
Female	458

**Ethnicity**
Non-Hispanic White	613
Black	0
Hispanic	27
Asian	0
Other	55
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	284
85 and over	87
Less than 65	28

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2020

Hypertension	51
High Cholesterol	55
Stroke	2
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	17
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	18
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2021 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	19
blood draw	47
doctor visit	928
hospital care	193
injections	19
inpatient care	193
preventive care	53
vaccines	53

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	309
Female	470

**Ethnicity**
Non-Hispanic White	645
Black	23
Hispanic	27
Asian	22
Other	62
Native American	0

**Age**
From 65 to 74	354
From 75 to 84	306
85 and over	95
Less than 65	24

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2021

Hypertension	53
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	20
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2022 were hospital care, inpatient care, blood draw and preventive care.

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

aspiration	25
blood draw	117
doctor visit	872
hospital care	187
injections	25
inpatient care	187
preventive care	27
vaccines	27

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	318
Female	453

**Ethnicity**
Non-Hispanic White	651
Black	29
Hispanic	21
Asian	13
Other	57
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	327
85 and over	107
Less than 65	19

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2022

Hypertension	63
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	23
Depression	18
Chronic Kidney Disease	10
Asthma	11
Osteoperosis	22
Atrial Fibrilation	14
Heart Failure	6
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	4
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. C Ronald Mackenzie, MD for Medicare patients.

The highest averages for the top procedures that Dr. C Ronald Mackenzie, MD treated as an internist in White Plains, NY were hospital care, inpatient care, preventive care and vaccines.

aspiration	30
blood draw	48
doctor visit	1007
hospital care	377
injections	30
inpatient care	377
preventive care	70
vaccines	70

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. C Ronald Mackenzie, MD.

**Gender**
Male	311
Female	456

**Ethnicity**
Black / African American	18
Asian / Pacific Islander	9
Non-Hispanic White	666
Native American / Alaskan Native	0
Hispanic	26
Other	38

**Age**
75 to 84	287
85 and over	102
Less than 65	27
65 to 74	351

Average of Total of Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD From 2012 - 2022

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

Hypertension	49
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	11
Asthma	6
Osteoporosis	14
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	17
Atrial Fibrillation	9
Dementia	5
Cancer	13

Education & Training

Dr. C Ronald Mackenzie, MD graduated from University of Calgary Faculty of Medicine. He completed residency at New York-Presbyterian Hospital. He is certified by the Rheumatology Internal Medicine Medical Ethics: Montefiore-Einstein Certificate in Bioethics and Medical Humanities and has a state license in New York.

Medical School: University of Calgary Faculty of Medicine

Residency: New York-Presbyterian Hospital

Board Certification: Rheumatology Internal Medicine Medical Ethics: Montefiore-Einstein Certificate in Bioethics and Medical Humanities (2001)

Licensed In: New York

Affiliations & Hospitals

Dr. C Ronald Mackenzie, MD is associated with these hospitals and organizations:

NewYork-Presbyterian

Hospital for Special Surgery

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. C Ronald Mackenzie, MD appears to accept the following insurance providers: Group Health Incorporated (GHI), Aetna, EmblemHealth, Blue California, Anthem, UnitedHealthcare, Medicare Part B, United Healthcare, Horizon Blue Cross Blue Shield, Oxford Health Plans, The Empire Plan / NYSHIP and Connecticare (not through Access Health CT).

Insurance Accepted by Provider includes:

According to our sources, Dr. C Ronald Mackenzie, MD accepts the following insurance providers:

Group Health Incorporated (GHI)

Aetna

EmblemHealth

Blue California

Anthem

UnitedHealthcare

Medicare Part B

United Healthcare

Horizon Blue Cross Blue Shield

Oxford Health Plans

The Empire Plan / NYSHIP

Connecticare (not through Access Health CT)

Ratings & Reviews

Dr. C Ronald Mackenzie, MD has a high overall rating with an average of 3.67 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. C Ronald Mackenzie, MD from all over the web to help you find the right in White Plains, NY.

3.67

Overall Rating

(3 Ratings)

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General Payments

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

**Payments by Company**
Horizon Pharma plc	$1,820 KRYSTEXXA $1,820

**Types of Payments**
Honoraria	$1,500
Food and Beverage	$320

Biography

Dr. C. Mackenzie is a specialist in rheumatology (arthritis & autoimmune diseases). He works in New York, NY and White Plains, NY. Areas of expertise for Dr. Mackenzie include primary care, rheumatic diseases, and perioperative medicine. Dr. Mackenzie is professionally affiliated with Hospital for Special Surgery. After attending the University of Calgary Faculty of Medicine and Weill Cornell Medical College for medical school, he completed his residency training at New York-Presbyterian Hospital, a hospital affiliated with Weill Cornell Medical College, and a hospital affiliated with the University of Manitoba. Dr. Mackenzie's average patient rating is 3.5 stars (out of 5). He seems to be an in-network provider for Anthem, Blue California, and UnitedHealthcare, as well as other insurance carriers. His distinctions include: Castle Connolly Top Doctor, 20 Years; Castle Connolly America's Top Doctor, 2010-2020; and Castle Connolly Top Doctors in New York Metro Area, 2002-2022.

Select Year:

Dr. C Ronald Mackenzie, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. C Ronald Mackenzie, 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. C Ronald Mackenzie, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. C Ronald Mackenzie, 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. C Ronald Mackenzie, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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