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Dr. William M. Chasanov II, DO, MBA

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Specializes in: Adult Infectious Disease

1535 Savannah Road
Lewes, DE 19958

(302) 645-3232

Dr. William M. Chasanov II, DO, MBA is an adult infectious disease specialist in Lewes, DE specializing in adult infectious disease.

Office Locations

1535 Savannah Road
Lewes, DE 19958

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In The News (see more mentions in the news)

“"When we look at the statistics in Sussex County, one in six residents of Sussex County relies on some kind of Medicaid program," said Dr. Bill Chasanov of Beebe Healthcare.”—"State senator hosts roundtable on Medicaid", Cape Gazette, November 2025

“In a video broadcast this week, Beebe Healthcare COVID-19 Medical Director Dr. William Chasanov minced no words when discussing the advantages of getting vaccinated.”—"Vaccinate to best protect against COVID", Cape Gazette, August 2021

“Dr. Bill Chasanov, also a race participant, added, "As this past year and a half has been difficult for many of us, it was great to see the community come together to support Beebe Healthcare,...”—"Excellent care from Beebe heroes is celebrated", Cape Gazette, July 2021

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	92
hospital care	66
inpatient care	66

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	39
Female	88

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	36
85 and over	20
Less than 65	33

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2013

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2013 were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	51
Depression	41
Chronic Kidney Disease	41
Asthma	16
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	44
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

hospital care	65
inpatient care	65

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	25
Female	30

**Ethnicity**
Non-Hispanic White	42
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	12
From 75 to 84	13
85 and over	11
Less than 65	19

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2014

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2014 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	75
High Cholesterol	73
Stroke	31
Ischemic Heart Disease	47
Depression	55
Chronic Kidney Disease	56
Asthma	0
Osteoperosis	0
Atrial Fibrilation	35
Heart Failure	53
Chronic Obstructive Pulmonary Disease	35
Diabetes	44
Dementia	31
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

hospital care	176
inpatient care	176

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	88
Female	106

**Ethnicity**
Non-Hispanic White	122
Black	46
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	0
85 and over	0
Less than 65	66

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2015

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2015 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	69
Stroke	27
Ischemic Heart Disease	58
Depression	45
Chronic Kidney Disease	66
Asthma	30
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	46
Chronic Obstructive Pulmonary Disease	33
Diabetes	51
Dementia	29
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	67
hospital care	435
inpatient care	435

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	132
Female	119

**Ethnicity**
Non-Hispanic White	137
Black	74
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	40
85 and over	16
Less than 65	107

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2016

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2016 were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	75
High Cholesterol	64
Stroke	17
Ischemic Heart Disease	64
Depression	47
Chronic Kidney Disease	71
Asthma	41
Osteoperosis	6
Atrial Fibrilation	30
Heart Failure	45
Chronic Obstructive Pulmonary Disease	33
Diabetes	50
Dementia	23
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	81
hospital care	426
inpatient care	426

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	140
Female	120

**Ethnicity**
Non-Hispanic White	193
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	83
85 and over	23
Less than 65	72

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2017

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2017 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	58
Depression	42
Chronic Kidney Disease	69
Asthma	17
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	43
Chronic Obstructive Pulmonary Disease	37
Diabetes	56
Dementia	23
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	180
hospital care	679
inpatient care	679

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	173
Female	125

**Ethnicity**
Non-Hispanic White	269
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	82
85 and over	32
Less than 65	48

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2018

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2018 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	59
Depression	42
Chronic Kidney Disease	63
Asthma	10
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	37
Chronic Obstructive Pulmonary Disease	32
Diabetes	48
Dementia	22
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	181
hospital care	732
inpatient care	732

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	152
Female	112

**Ethnicity**
Non-Hispanic White	231
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	81
85 and over	22
Less than 65	46

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2019

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2019 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	64
Depression	52
Chronic Kidney Disease	72
Asthma	10
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	42
Chronic Obstructive Pulmonary Disease	30
Diabetes	49
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	49
hospital care	114
inpatient care	114

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	59
Female	32

**Ethnicity**
Non-Hispanic White	80
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2020

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2020 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	65
Depression	41
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	0
Atrial Fibrilation	30
Heart Failure	34
Chronic Obstructive Pulmonary Disease	27
Diabetes	49
Dementia	23
Cancer	20

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	33

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	2616
Female	3330

**Ethnicity**
Non-Hispanic White	5268
Black	366
Hispanic	71
Asian	0
Other	208
Native American	0

**Age**
From 65 to 74	3606
From 75 to 84	1685
85 and over	509
Less than 65	146

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2021

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2021 were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	54
High Cholesterol	65
Stroke	3
Ischemic Heart Disease	27
Depression	14
Chronic Kidney Disease	18
Asthma	4
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	6
Chronic Obstructive Pulmonary Disease	7
Diabetes	18
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

doctor visit	19

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	292
Female	229

**Ethnicity**
Non-Hispanic White	473
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	160
85 and over	32
Less than 65	23

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2022

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2022 were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	73
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	13
Asthma	8
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	3
Cancer	14

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2023

The most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated during 2023 were high cholesterol and hypertension.

Hypertension	74
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. William M. Chasanov II, DO, MBA for Medicare patients.

The highest averages for the top procedures that Dr. William M. Chasanov II, DO, MBA treated as an adult infectious disease specialist in Lewes, DE were hospital care and inpatient care.

doctor visit	87
hospital care	336
inpatient care	336

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. William M. Chasanov II, DO, MBA.

**Gender**
Male	337
Female	390

**Ethnicity**
Black / African American	52
Asian / Pacific Islander	0
Non-Hispanic White	628
Hispanic	6
Native American / Alaskan Native	0
Other	20

**Age**
75 to 84	200
85 and over	60
Less than 65	50
65 to 74	408

Average of Total of Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. William M. Chasanov II, DO, MBA treated were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	72
High Cholesterol	72
Stroke	14
Ischemic Heart Disease	47
Depression	36
Chronic Kidney Disease	48
Asthma	12
Osteoporosis	6
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Atrial Fibrillation	21
Dementia	17
Cancer	12

Education & Training

He has a state license in New Jersey.

Licensed In: New Jersey

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. William M. Chasanov II, DO, MBA. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$403 DALVANCE $403
Theravance Biopharma Inc.	$261 $261
Gilead Sciences Inc	$150 Truvada $13	$138
ViiV Healthcare Company	$139 TRIUMEQ $22	TIVICAY $14	DOVATO $12	$90
Novartis Pharmaceuticals Corporation	$123 ENTRESTO $123
Other	$455 Viekira $117	Arikayce $100	ZYVOX $89	Biktarvy $79	DALVANCE $13	Other $57

**Types of Payments**
Food and Beverage	$1,507
Education	$25

Research Payments

Dr. William M. Chasanov II, DO, MBA has received 2 research payments totaling $12,500.

Biography

Dr. William Chasanov specializes in adult infectious disease. According to Doctor.com, he is currently accepting new patients at his office in Lewes, DE.

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Dr. William M. Chasanov II, DO, MBA

Office Locations

In The News (see more mentions in the news)

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2022

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. William M. Chasanov II, DO, MBA From 2013 - 2023

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Lewes, DE