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Dr. C. Ronald Mackenzie, MD

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

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.

View Doctor's Full Profile (212) 606-1669

Office Locations

1133 Westchester Avenue
White Plains, NY 10604
open_in_new
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

2023 Medicare Procedure Volume

The top procedures that Dr. C. Ronald Mackenzie, MD treated as an internist in White Plains, NY during 2023 were hospital care, inpatient care, blood draw and preventive care.

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

aspiration 24
blood draw 112
doctor visit 810
hospital care 118
injections 24
inpatient care 118
preventive care 50
vaccines 50

2023 Medicare Patient Data

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

Gender
Male 271
Female 427
Ethnicity
Non-Hispanic White 575
Black 25
Hispanic 17
Asian 20
Other 61
Native American 0
Age
From 65 to 74 246
From 75 to 84 329
85 and over 103
Less than 65 20

Conditions of Medicare patients treated by Dr. C. Ronald Mackenzie, MD in 2023

Hypertension 63
High Cholesterol 71
Stroke 7
Ischemic Heart Disease 25
Depression 15
Chronic Kidney Disease 10
Asthma 9
Osteoperosis 23
Atrial Fibrilation 14
Heart Failure 7
Chronic Obstructive Pulmonary Disease 8
Diabetes 20
Dementia 3
Cancer 19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

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 59
doctor visit 991
hospital care 355
injections 30
inpatient care 355
preventive care 68
vaccines 68

Average Medicare Patient Data From 2012 - 2023

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

Gender
Female 453
Male 308
Ethnicity
Black / African American 18
Asian / Pacific Islander 9
Non-Hispanic White 658
Native American / Alaskan Native 0
Hispanic 26
Other 40
Age
75 to 84 290
85 and over 102
Less than 65 26
65 to 74 343

Average of Total of Conditions of Medicare patients treated by Dr. C. Ronald Mackenzie, MD From 2012 - 2023

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 50
High Cholesterol 52
Stroke 3
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
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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
Heron Therapeutics, Inc. $120 Zynrelef
$120
Types of Payments
Honoraria $1,500
Food and Beverage $440

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.

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