Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MA Providers

Dr. William I. Calhoun, MD

(Dr. William Calhoun, MD)

(No ratings)

Specializes in: Adult Cardiology

70 Pleasant Street South Shore Cardiology, Part of South Shore Health.
Weymouth, MA 02190

(781) 331-2000

Dr. William I. Calhoun, MD is a cardiologist in Weymouth, MA specializing in adult cardiology. Dr. William I. Calhoun, MD is affiliated with South Shore Health.

Office Locations

70 Pleasant Street South Shore Cardiology, Part of South Shore Health.
Weymouth, MA 02190

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. William I. Calhoun, MD in 2023

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

Top 5%

By Affordability:

blood tests

In 2023, Dr. William I. Calhoun, MD had a list price for blood tests that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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:

lab tests

In 2023, Dr. William I. Calhoun, MD had a list price for lab tests that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Massachusetts. 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:

coagulation tests

hospital care

inpatient care

inpatient hospital care

liver function tests

prothrombin time test

In 2012, Dr. William I. Calhoun, MD had a list price for coagulation (blood clotting) tests, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), liver function tests (LFTs), and prothrombin time (PT) test that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Massachusetts. 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 I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2012 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	31
cardiac procedures	872
cardioversion	21
doctor visit	2346
hospital care	311
inpatient care	311
lab tests	1188
nuclear scan	207
stress testing	370
ultrasound (sonogram)	471

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2013 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	35
cardiac procedures	888
cardioversion	15
doctor visit	2358
hospital care	263
inpatient care	263
lab tests	1237
nuclear scan	223
stress testing	369
ultrasound (sonogram)	484

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	766
Female	794

**Ethnicity**
Non-Hispanic White	1516
Black	15
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	488
From 75 to 84	532
85 and over	392
Less than 65	148

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	67
Depression	31
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	9
Atrial Fibrilation	33
Heart Failure	48
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2014 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	23
cardiac procedures	726
doctor visit	2105
hospital care	200
inpatient care	181
lab tests	1116
nuclear scan	184
stress testing	285
ultrasound (sonogram)	418

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	626
Female	676

**Ethnicity**
Non-Hispanic White	1257
Black	13
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	401
From 75 to 84	486
85 and over	309
Less than 65	106

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	10
Ischemic Heart Disease	65
Depression	29
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	9
Atrial Fibrilation	34
Heart Failure	42
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2015 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	31
cardiac procedures	687
cardioversion	11
doctor visit	2157
hospital care	253
inpatient care	223
lab tests	1253
nuclear scan	207
stress testing	295
ultrasound (sonogram)	361

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	1388
Female	1304

**Ethnicity**
Non-Hispanic White	2606
Black	34
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	830
From 75 to 84	990
85 and over	624
Less than 65	248

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	63
Depression	31
Chronic Kidney Disease	41
Asthma	17
Osteoperosis	8
Atrial Fibrilation	34
Heart Failure	42
Chronic Obstructive Pulmonary Disease	27
Diabetes	34
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2016 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	38
cardiac procedures	646
doctor visit	2041
hospital care	150
inpatient care	130
lab tests	1132
nuclear scan	182
stress testing	257
ultrasound (sonogram)	351

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	656
Female	662

**Ethnicity**
Non-Hispanic White	1259
Black	20
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	393
From 75 to 84	483
85 and over	312
Less than 65	130

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	62
Depression	30
Chronic Kidney Disease	45
Asthma	28
Osteoperosis	10
Atrial Fibrilation	33
Heart Failure	44
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	22
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2017 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	26
cardiac procedures	637
doctor visit	1807
hospital care	146
inpatient care	146
lab tests	913
nuclear scan	174
stress testing	248
ultrasound (sonogram)	363

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	530
Female	460

**Ethnicity**
Non-Hispanic White	949
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	377
85 and over	222
Less than 65	83

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	60
Depression	32
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	8
Atrial Fibrilation	35
Heart Failure	44
Chronic Obstructive Pulmonary Disease	26
Diabetes	32
Dementia	24
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2018 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

cardiac procedures	494
doctor visit	1745
hospital care	110
inpatient care	110
lab tests	813
nuclear scan	126
stress testing	184
ultrasound (sonogram)	310

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	472
Female	393

**Ethnicity**
Non-Hispanic White	820
Black	17
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	277
From 75 to 84	345
85 and over	190
Less than 65	53

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	61
Depression	33
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	10
Atrial Fibrilation	37
Heart Failure	45
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2019 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

cardiac procedures	495
cardioversion	15
doctor visit	1660
hospital care	178
inpatient care	178
lab tests	672
nuclear scan	131
stress testing	203
ultrasound (sonogram)	292

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	549
Female	496

**Ethnicity**
Non-Hispanic White	1003
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	406
85 and over	213
Less than 65	93

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	61
Depression	32
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	9
Atrial Fibrilation	33
Heart Failure	43
Chronic Obstructive Pulmonary Disease	27
Diabetes	31
Dementia	22
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2020 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

ambulatory monitoring	24
cardiac procedures	416
doctor visit	1157
hospital care	132
inpatient care	132
lab tests	403
minimally invasive procedures	29
nuclear scan	96
stress testing	153
ultrasound (sonogram)	239

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	804
Female	811

**Ethnicity**
Non-Hispanic White	1521
Black	22
Hispanic	0
Asian	17
Other	38
Native American	0

**Age**
From 65 to 74	520
From 75 to 84	596
85 and over	337
Less than 65	162

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	57
Depression	39
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	44
Chronic Obstructive Pulmonary Disease	27
Diabetes	34
Dementia	27
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2021 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

cardiac procedures	468
doctor visit	1256
hospital care	148
inpatient care	148
lab tests	379
minimally invasive procedures	17
nuclear scan	110
stress testing	174
ultrasound (sonogram)	294

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	928
Female	1026

**Ethnicity**
Non-Hispanic White	1844
Black	33
Hispanic	21
Asian	14
Other	42
Native American	0

**Age**
From 65 to 74	640
From 75 to 84	731
85 and over	413
Less than 65	170

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	57
Depression	37
Chronic Kidney Disease	53
Asthma	12
Osteoperosis	14
Atrial Fibrilation	31
Heart Failure	45
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	23
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2022 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

cardiac procedures	384
doctor visit	1063
hospital care	91
inpatient care	91
lab tests	328
nuclear scan	85
stress testing	127
ultrasound (sonogram)	257

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	711
Female	757

**Ethnicity**
Non-Hispanic White	1386
Black	20
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	428
From 75 to 84	579
85 and over	343
Less than 65	118

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	50
Depression	32
Chronic Kidney Disease	39
Asthma	15
Osteoperosis	16
Atrial Fibrilation	38
Heart Failure	36
Chronic Obstructive Pulmonary Disease	28
Diabetes	32
Dementia	20
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA during 2023 were cardiac procedures, ultrasound (sonogram), lab tests and stress testing.

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

cardiac procedures	382
doctor visit	953
hospital care	80
inpatient care	80
lab tests	212
nuclear scan	74
stress testing	118
ultrasound (sonogram)	264

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	606
Female	682

**Ethnicity**
Non-Hispanic White	1208
Black	21
Hispanic	0
Asian	0
Other	35
Native American	0

**Age**
From 65 to 74	397
From 75 to 84	533
85 and over	282
Less than 65	76

Conditions of Medicare patients treated by Dr. William I. Calhoun, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	47
Depression	32
Chronic Kidney Disease	38
Asthma	14
Osteoperosis	17
Atrial Fibrilation	40
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	32
Dementia	18
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. William I. Calhoun, MD for Medicare patients.

The highest averages for the top procedures that Dr. William I. Calhoun, MD treated as a cardiologist in Weymouth, MA were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

ambulatory monitoring	29
cardiac procedures	591
cardioversion	15
doctor visit	1720
hospital care	171
inpatient care	166
lab tests	803
minimally invasive procedures	23
nuclear scan	149
stress testing	231
ultrasound (sonogram)	342

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. William I. Calhoun, MD.

**Gender**
Male	669
Female	671

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	2
Non-Hispanic White	1280
Hispanic	1
Native American / Alaskan Native	0
Other	23

**Age**
75 to 84	504
85 and over	303
Less than 65	115
65 to 74	417

Average of Total of Conditions of Medicare patients treated by Dr. William I. Calhoun, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	54
Depression	29
Chronic Kidney Disease	39
Asthma	12
Osteoporosis	10
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Atrial Fibrillation	31
Cancer	15
Dementia	19

Education & Training

He is certified by the Board Certification: Internal Medicine and has a state license in Massachusetts.

Board Certification: Board Certification: Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. William I. Calhoun, MD is associated with these hospitals and organizations:

South Shore Health

Ratings & Reviews

Dr. William I. Calhoun, MD does not have any reviews yet, be the first to leave a review of Dr. William I. Calhoun, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Amgen Inc.	$202 Repatha $202
Novartis Pharmaceuticals Corporation	$164 ENTRESTO $164
Janssen Products, LP	$124 $124
Medtronic Vascular, Inc.	$17 Azure $17

**Types of Payments**
Food and Beverage	$507

Biography

Dr. William Calhoun is a specialist in adult cardiology in South Weymouth, MA and Weymouth, MA. He attended medical school at the University of Massachusetts Medical School. Dr. Calhoun is affiliated with South Shore Health.