Procedure Volume Patient Data Patient Conditions Reviews Back to Top

Home > DE Providers > Family Physicians & Family Medicine Specialists

Dr. Mackenzie David Hay, MD

(No ratings)

Specializes in: Family Medicine and Emergency Medicine

801 Middleford Road
Seaford, DE 19973

(302) 629-6611

Dr. Mackenzie David Hay, MD is a family medicine practitioner in Lewes, DE specializing in family medicine and emergency medicine. Dr. Mackenzie David Hay, MD is affiliated with Beebe Healthcare and TidalHealth.

Office Locations

Beebe Healthcare

424 Savannah Road
Lewes, DE 19958

(302) 645-3554

(302) 645-3862

open_in_new

801 Middleford Road
Seaford, DE 19973

(302) 629-6611

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Mackenzie David Hay, MD in 2024

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

Top 5%

By Volume:

emergency room care

In 2024, Dr. Mackenzie David Hay, MD performed more emergency room (ER) care procedures for Medicare patients than 95% of providers in related specialties within Delaware.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2012 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	341

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2013 were emergency care and resuscitation.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	708
resuscitation	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	308
Female	350

**Ethnicity**
Non-Hispanic White	585
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	140
85 and over	108
Less than 65	264

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2013

Hypertension	75
High Cholesterol	56
Stroke	11
Ischemic Heart Disease	50
Depression	46
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	34
Chronic Obstructive Pulmonary Disease	38
Diabetes	39
Dementia	22
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2014 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	524

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	220
Female	258

**Ethnicity**
Non-Hispanic White	398
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	88
85 and over	69
Less than 65	210

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2014

Hypertension	75
High Cholesterol	53
Stroke	8
Ischemic Heart Disease	44
Depression	49
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	35
Chronic Obstructive Pulmonary Disease	38
Diabetes	42
Dementia	22
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2015 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	633

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	576
Female	642

**Ethnicity**
Non-Hispanic White	950
Black	230
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	290
85 and over	142
Less than 65	426

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2015

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	57
Depression	44
Chronic Kidney Disease	45
Asthma	28
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	39
Chronic Obstructive Pulmonary Disease	39
Diabetes	42
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2016 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	911

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	366
Female	455

**Ethnicity**
Non-Hispanic White	614
Black	180
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	213
85 and over	133
Less than 65	192

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	62
Depression	34
Chronic Kidney Disease	50
Asthma	34
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	38
Chronic Obstructive Pulmonary Disease	32
Diabetes	45
Dementia	26
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2017 were emergency care and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	808
tracheal (windpipe) procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	305
Female	441

**Ethnicity**
Non-Hispanic White	582
Black	143
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	203
85 and over	143
Less than 65	147

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2017

Hypertension	75
High Cholesterol	74
Stroke	23
Ischemic Heart Disease	64
Depression	36
Chronic Kidney Disease	52
Asthma	14
Osteoperosis	10
Atrial Fibrilation	27
Heart Failure	38
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	27
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2018 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	725

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	293
Female	368

**Ethnicity**
Non-Hispanic White	507
Black	126
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	184
85 and over	110
Less than 65	143

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	66
Depression	38
Chronic Kidney Disease	54
Asthma	12
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	39
Chronic Obstructive Pulmonary Disease	30
Diabetes	47
Dementia	28
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2019 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	849

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	335
Female	446

**Ethnicity**
Non-Hispanic White	604
Black	140
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	228
85 and over	126
Less than 65	163

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	66
Depression	37
Chronic Kidney Disease	52
Asthma	11
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	40
Chronic Obstructive Pulmonary Disease	32
Diabetes	48
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2020 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	696

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	339
Female	364

**Ethnicity**
Non-Hispanic White	599
Black	74
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	227
85 and over	110
Less than 65	100

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	62
Depression	37
Chronic Kidney Disease	49
Asthma	10
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	34
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2021 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	645

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	323
Female	358

**Ethnicity**
Non-Hispanic White	613
Black	39
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	227
85 and over	98
Less than 65	71

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	55
Depression	33
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2022 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	754

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	326
Female	453

**Ethnicity**
Non-Hispanic White	692
Black	41
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	264
85 and over	113
Less than 65	69

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	49
Depression	31
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	15
Atrial Fibrilation	31
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	37
Dementia	14
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2023 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	683

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	334
Female	362

**Ethnicity**
Non-Hispanic White	631
Black	30
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	252
85 and over	108
Less than 65	57

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	45
Depression	30
Chronic Kidney Disease	29
Asthma	13
Osteoperosis	15
Atrial Fibrilation	33
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE during 2024 were emergency care.

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

emergency care	615

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	310
Female	330

**Ethnicity**
Non-Hispanic White	591
Black	18
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	261
85 and over	111
Less than 65	27

Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	51
Depression	32
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	18
Atrial Fibrilation	35
Heart Failure	28
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	14
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Mackenzie David Hay, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mackenzie David Hay, MD treated as a family medicine practitioner in Lewes, DE were emergency care, tracheal (windpipe) procedures and resuscitation.

emergency care	684
resuscitation	11
tracheal (windpipe) procedures	13

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mackenzie David Hay, MD.

**Gender**
Male	310
Female	371

**Ethnicity**
Black / African American	78
Asian / Pacific Islander	0
Non-Hispanic White	566
Hispanic	3
Native American / Alaskan Native	0
Other	7

**Age**
75 to 84	198
85 and over	105
Less than 65	143
65 to 74	234

Average of Total of Conditions of Medicare patients treated by Dr. Mackenzie David Hay, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	65
Stroke	15
Ischemic Heart Disease	51
Depression	34
Chronic Kidney Disease	39
Asthma	13
Osteoporosis	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Atrial Fibrillation	22
Cancer	13
Dementia	20