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Dr. Gregory A. McKenzie, MD

(Dr. Gregory McKenzie, MD)

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Specializes in: Clinical Pathology and Anatomic Pathology

University of Arkansas for Medical Sciences College of Medicine

390 E. Longview Street
Fayetteville, AR 72703

(479) 442-0144

Dr. Gregory A. McKenzie, MD is a clinical pathologist in Fayetteville, AR specializing in clinical pathology and anatomic pathology. He graduated from University of Arkansas for Medical Sciences College of Medicine. Dr. Gregory A. McKenzie, MD is affiliated with Northwest Health System, Mercy Hospital Northwest Arkansas, Mercy Hospital Berryville, Mercy Health System, NORTHWEST ARKANSAS PATHOLOGY ASSOCIATES PA and CHEROKEE NATION.

Office Locations

Mercy Health System

390 E. Longview Street
Fayetteville, AR 72703

(479) 442-0144

(479) 442-4557

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Northwest Health System

390 East Longview
Fayetteville, AR 72702

(479) 442-4557

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory A. McKenzie, MD in 2023

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

Top 5%

By Affordability:

cytology

genetic testing

in situ hybridization

molecular genetic testing

non-gynecologic cytology

In 2023, Dr. Gregory A. McKenzie, MD had a list price for cytology, genetic testing, in situ hybridization, molecular genetic testing, and non-gynecologic cytology that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Arkansas. 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 10%

By Affordability:

concentrated smear of non-gynecologic specimen

In 2023, Dr. Gregory A. McKenzie, MD had a list price for concentrated smear (cytospin) of non-gynecologic specimen that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Arkansas. 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:

in situ hybridization

By Affordability:

immunohistochemistry test

In 2012, among providers in related specialties within Arkansas, Dr. Gregory A. McKenzie, MD performed more in situ hybridization procedures for Medicare patients than 75% of them and he also had a list price for immunohistochemistry (IHC) test 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. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2012 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	32
cytology	24
lab tests	228

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2013 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	54
cytology	50
lab tests	599

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	269
Female	304

**Ethnicity**
Non-Hispanic White	539
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	172
85 and over	56
Less than 65	96

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	43
Depression	29
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	24
Diabetes	29
Dementia	8
Cancer	21

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2014 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	73
cytology	41
lab tests	427

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	255
Female	374

**Ethnicity**
Non-Hispanic White	581
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	161
85 and over	54
Less than 65	107

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	43
Depression	28
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2015 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	62
cytology	43
lab tests	297

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	584
Female	670

**Ethnicity**
Non-Hispanic White	1190
Black	0
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	602
From 75 to 84	352
85 and over	98
Less than 65	202

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2015

Hypertension	74
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	45
Depression	26
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	30
Dementia	8
Cancer	23

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2016 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	57
cytology	35
lab tests	230

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	268
Female	302

**Ethnicity**
Non-Hispanic White	527
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	155
85 and over	40
Less than 65	74

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2016

Hypertension	72
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	34
Asthma	22
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	11
Cancer	25

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2017 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	43
cytology	23
lab tests	276

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	221
Female	236

**Ethnicity**
Non-Hispanic White	419
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	134
85 and over	30
Less than 65	73

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2017

Hypertension	74
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	48
Depression	33
Chronic Kidney Disease	39
Asthma	6
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	12
Cancer	25

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2018 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	54
cytology	13
lab tests	367

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	201
Female	236

**Ethnicity**
Non-Hispanic White	403
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	158
85 and over	29
Less than 65	60

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2018

Hypertension	75
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	47
Depression	30
Chronic Kidney Disease	39
Asthma	8
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	27
Diabetes	29
Dementia	10
Cancer	30

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2019 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	50
cytology	16
lab tests	464

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	303
Female	309

**Ethnicity**
Non-Hispanic White	572
Black	0
Hispanic	13
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	325
From 75 to 84	161
85 and over	56
Less than 65	70

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2019

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	12
Cancer	26

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2020 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	40
cytology	13
lab tests	438

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	287
Female	296

**Ethnicity**
Non-Hispanic White	546
Black	0
Hispanic	13
Asian	0
Other	0
Native American	13

**Age**
From 65 to 74	314
From 75 to 84	180
85 and over	35
Less than 65	54

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2020

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	47
Depression	31
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	12
Cancer	24

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

cytology	35
lab tests	468

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	288
Female	329

**Ethnicity**
Non-Hispanic White	579
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	194
85 and over	43
Less than 65	52

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	4
Ischemic Heart Disease	50
Depression	30
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	9
Cancer	24

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

consultation	17
cytology	29
lab tests	455

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	283
Female	279

**Ethnicity**
Non-Hispanic White	509
Black	0
Hispanic	0
Asian	0
Other	12
Native American	25

**Age**
From 65 to 74	309
From 75 to 84	181
85 and over	40
Less than 65	32

Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	37
Depression	22
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	14
Atrial Fibrilation	21
Heart Failure	18
Chronic Obstructive Pulmonary Disease	24
Diabetes	26
Dementia	6
Cancer	32

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory A. McKenzie, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory A. McKenzie, MD treated as a clinical pathologist in Fayetteville, AR were lab tests, consultation and cytology.

consultation	48
cytology	29
lab tests	386

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory A. McKenzie, MD.

**Gender**
Male	269
Female	303

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	533
Native American / Alaskan Native	3
Hispanic	14
Other	2

**Age**
75 to 84	168
85 and over	43
Less than 65	74
65 to 74	285

Average of Total of Conditions of Medicare patients treated by Dr. Gregory A. McKenzie, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory A. McKenzie, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	31
Asthma	10
Osteoporosis	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	27
Atrial Fibrillation	13
Dementia	8
Cancer	22

Education & Training

Dr. Gregory A. McKenzie, MD graduated from University of Arkansas for Medical Sciences College of Medicine. He completed residency at University of Arkansas for Medical Sciences Affiliated Hospitals. He is certified by the American Board of Pathology Pathology and has a state license in Arkansas.

Medical School: University of Arkansas for Medical Sciences College of Medicine

Residency: University of Arkansas for Medical Sciences Affiliated Hospitals

Board Certification: American Board of Pathology Pathology

Licensed In: Arkansas

Affiliations & Hospitals

Dr. Gregory A. McKenzie, MD is associated with these hospitals and organizations:

Northwest Health System

Mercy Hospital Northwest Arkansas

Mercy Hospital Berryville

Mercy Health System

NORTHWEST ARKANSAS PATHOLOGY ASSOCIATES PA

CHEROKEE NATION

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General Payments

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

**Payments by Company**
Lilly USA, LLC	$30 ALIMTA $18	CYRAMZA $12
Takeda Pharmaceuticals U.S.A., Inc.	$30 $30
AstraZeneca Pharmaceuticals LP	$18 IMFINZI $18

**Types of Payments**
Food and Beverage	$77

Biography

Dr. Gregory McKenzie's medical specialty is anatomic pathology and clinical pathology. He is a graduate of the University of Arkansas for Medical Sciences College of Medicine. His training includes a residency program at a hospital affiliated with the University of Arkansas for Medical Sciences. Dr. McKenzie is affiliated with Northwest Health System, Mercy Hospital Berryville, and Mercy Hospital Northwest Arkansas.