In 2023, among providers in related specialties within Delaware, Dr. William Macleod Kirby, MD performed more intraoperative pathology consultation procedures for Medicare patients than 90% of them and he also had a list price for immunohistochemistry (IHC) test, and lab tests that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Affordability:

consultation

intraoperative pathology consultation

special stains

In 2012, Dr. William Macleod Kirby, MD had a list price for consultation, intraoperative pathology consultation, and special stains that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Delaware. 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. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2012 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	82
lab tests	531

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2013 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	113
lab tests	645

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	474
Female	665

**Ethnicity**
Non-Hispanic White	848
Black	216
Hispanic	40
Asian	16
Other	19
Native American	0

**Age**
From 65 to 74	485
From 75 to 84	325
85 and over	117
Less than 65	212

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	43
Depression	31
Chronic Kidney Disease	34
Asthma	14
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Dementia	12
Cancer	21

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2014 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	141
lab tests	801

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	484
Female	660

**Ethnicity**
Non-Hispanic White	881
Black	196
Hispanic	30
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	482
From 75 to 84	321
85 and over	122
Less than 65	219

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	46
Depression	31
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Dementia	11
Cancer	24

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2015 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	139
lab tests	622

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	1052
Female	1414

**Ethnicity**
Non-Hispanic White	1804
Black	508
Hispanic	70
Asian	50
Other	34
Native American	0

**Age**
From 65 to 74	1040
From 75 to 84	698
85 and over	260
Less than 65	468

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2015

Hypertension	75
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	37
Asthma	19
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	12
Cancer	24

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2016 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	88
lab tests	700

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	521
Female	697

**Ethnicity**
Non-Hispanic White	902
Black	231
Hispanic	51
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	560
From 75 to 84	317
85 and over	129
Less than 65	212

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2016

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	38
Depression	33
Chronic Kidney Disease	40
Asthma	25
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	40
Dementia	12
Cancer	21

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2017 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	92
lab tests	736

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	496
Female	661

**Ethnicity**
Non-Hispanic White	864
Black	218
Hispanic	33
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	507
From 75 to 84	327
85 and over	117
Less than 65	206

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	40
Dementia	12
Cancer	23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2018 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	141
lab tests	622

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	441
Female	596

**Ethnicity**
Non-Hispanic White	789
Black	179
Hispanic	31
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	478
From 75 to 84	295
85 and over	93
Less than 65	171

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	42
Depression	35
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	39
Dementia	11
Cancer	23

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2019 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	122
lab tests	625

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	396
Female	546

**Ethnicity**
Non-Hispanic White	696
Black	179
Hispanic	30
Asian	11
Other	26
Native American	0

**Age**
From 65 to 74	431
From 75 to 84	274
85 and over	87
Less than 65	150

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	37
Depression	32
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	39
Dementia	10
Cancer	24

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2020 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	75
lab tests	625

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	339
Female	433

**Ethnicity**
Non-Hispanic White	581
Black	135
Hispanic	21
Asian	12
Other	23
Native American	0

**Age**
From 65 to 74	359
From 75 to 84	225
85 and over	58
Less than 65	130

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	11
Cancer	23

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2021 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	66
lab tests	547

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	296
Female	381

**Ethnicity**
Non-Hispanic White	515
Black	108
Hispanic	17
Asian	14
Other	23
Native American	0

**Age**
From 65 to 74	303
From 75 to 84	220
85 and over	69
Less than 65	85

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	40
Depression	34
Chronic Kidney Disease	45
Asthma	13
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	11
Cancer	26

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE during 2022 were lab tests and consultation.

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

consultation	74
lab tests	584

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	208
Female	331

**Ethnicity**
Non-Hispanic White	398
Black	102
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	173
85 and over	39
Less than 65	67

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	17
Atrial Fibrilation	19
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	38
Dementia	7
Cancer	26

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William Macleod Kirby, MD for Medicare patients.

The highest averages for the top procedures that Dr. William Macleod Kirby, MD treated as a pathologist in Newark, DE were lab tests and consultation.

consultation	103
lab tests	639

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William Macleod Kirby, MD.

**Gender**
Male	427
Female	580

**Ethnicity**
Black / African American	188
Asian / Pacific Islander	9
Non-Hispanic White	752
Native American / Alaskan Native	0
Hispanic	30
Other	17

**Age**
75 to 84	288
85 and over	99
Less than 65	174
65 to 74	445

Average of Total of Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	35
Asthma	12
Osteoporosis	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Atrial Fibrillation	15
Dementia	9
Cancer	21

Education & Training

He has a state license in Delaware.

Licensed In: Delaware

Ratings & Reviews

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Biography

Dr. William Kirby, who practices in Newark, DE, is a medical specialist in pathology. Dr. Kirby has obtained a license to practice in Delaware.

Select Year:

Dr. William Macleod Kirby, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William Macleod Kirby, MD in 2023

By Volume:

By Affordability:

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. William Macleod Kirby, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Macleod Kirby, 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. William Macleod Kirby, MD From 2012 - 2022

Education & Training

Ratings & Reviews

Biography

Pathologists in Nearby Locations

Other Providers in Newark, DE