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Dr. William Cavanaugh Chapman, MD, FACS

Specializes in: Transplant Surgery, Surgical Oncology (Cancer Surgery) and Critical Care (Intensive Care Medicine)
Medical University of South Carolina College of Medicine (1984)
Professional interests include: liver surgery, liver transplant, liver disease, and more.
4921 Parkview Place Suite: 12b
Saint Louis, MO 63110

Dr. William Cavanaugh Chapman, MD, FACS is a transplant surgeon in Saint Louis, MO specializing in transplant surgery, surgical oncology (cancer surgery) and critical care (intensive care medicine). He graduated from Medical University of South Carolina College of Medicine in 1984 and has 42 years of experience. Dr. William Cavanaugh Chapman, MD, FACS is affiliated with WashU Medicine.

View Doctor's Full Profile (314) 362-2538

Office Locations

4921 Parkview Place Div Surg Transplant, Suite 12b
Saint Louis, MO 63110
(314) 747-9889
(314) 361-4197
open_in_new
4921 Parkview Place Suite: 12b
Saint Louis, MO 63110
(314) 362-2538
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Noteworthy Medicare Patient Procedures Performed by Dr. William Cavanaugh Chapman, MD, FACS in 2024

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

Top 25%

By Volume:

inpatient hospital care

By Affordability:

hospital care
inpatient care
inpatient hospital care

In 2012, among providers in related specialties within Missouri, Dr. William Cavanaugh Chapman, MD, FACS performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2012 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 12
doctor visit 196
hospital care 94
inpatient care 94
transplant procedures 12
urologic procedures 12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

doctor visit 166
hospital care 170
inpatient care 170

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 106
Female 72
Ethnicity
Non-Hispanic White 156
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 85
From 75 to 84 0
85 and over 0
Less than 65 62

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2013

Hypertension 75
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 47
Depression 29
Chronic Kidney Disease 54
Asthma 7
Osteoperosis 8
Atrial Fibrilation 12
Heart Failure 28
Chronic Obstructive Pulmonary Disease 21
Diabetes 56
Dementia 0
Cancer 19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

doctor visit 120
hospital care 61
inpatient care 61

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 74
Female 76
Ethnicity
Non-Hispanic White 130
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 67
From 75 to 84 0
85 and over 0
Less than 65 50

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2014

Hypertension 75
High Cholesterol 59
Stroke 0
Ischemic Heart Disease 45
Depression 31
Chronic Kidney Disease 49
Asthma 0
Osteoperosis 9
Atrial Fibrilation 17
Heart Failure 27
Chronic Obstructive Pulmonary Disease 17
Diabetes 49
Dementia 0
Cancer 17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2015 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 13
doctor visit 84
hospital care 38
inpatient care 38
transplant procedures 13
urologic procedures 13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 154
Female 122
Ethnicity
Non-Hispanic White 232
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 136
From 75 to 84 0
85 and over 0
Less than 65 96

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2015

Hypertension 75
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 31
Depression 29
Chronic Kidney Disease 51
Asthma 14
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 19
Chronic Obstructive Pulmonary Disease 21
Diabetes 44
Dementia 0
Cancer 20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2016 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 12
doctor visit 53
hospital care 74
inpatient care 74
transplant procedures 12
urologic procedures 12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 70
Female 61
Ethnicity
Non-Hispanic White 112
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 61
From 75 to 84 0
85 and over 0
Less than 65 44

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2016

Hypertension 75
High Cholesterol 61
Stroke 0
Ischemic Heart Disease 39
Depression 34
Chronic Kidney Disease 71
Asthma 28
Osteoperosis 0
Atrial Fibrilation 13
Heart Failure 27
Chronic Obstructive Pulmonary Disease 22
Diabetes 56
Dementia 9
Cancer 19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2017 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 14
doctor visit 71
hospital care 74
inpatient care 74
transplant procedures 14
urologic procedures 14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 85
Female 51
Ethnicity
Non-Hispanic White 115
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 66
From 75 to 84 0
85 and over 0
Less than 65 49

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2017

Hypertension 75
High Cholesterol 54
Stroke 0
Ischemic Heart Disease 45
Depression 36
Chronic Kidney Disease 68
Asthma 0
Osteoperosis 0
Atrial Fibrilation 15
Heart Failure 31
Chronic Obstructive Pulmonary Disease 14
Diabetes 49
Dementia 8
Cancer 20

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2018 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 16
doctor visit 31
hospital care 95
inpatient care 95
transplant procedures 16
urologic procedures 16

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 65
Female 53
Ethnicity
Non-Hispanic White 93
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 53
From 75 to 84 0
85 and over 0
Less than 65 44

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2018

Hypertension 75
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 53
Depression 28
Chronic Kidney Disease 75
Asthma 13
Osteoperosis 11
Atrial Fibrilation 14
Heart Failure 30
Chronic Obstructive Pulmonary Disease 16
Diabetes 53
Dementia 0
Cancer 12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2019 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 19
doctor visit 26
hospital care 241
inpatient care 241
transplant procedures 19
urologic procedures 19

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 92
Female 59
Ethnicity
Non-Hispanic White 114
Black 25
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 59

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2019

Hypertension 75
High Cholesterol 72
Stroke 0
Ischemic Heart Disease 48
Depression 26
Chronic Kidney Disease 75
Asthma 9
Osteoperosis 13
Atrial Fibrilation 13
Heart Failure 37
Chronic Obstructive Pulmonary Disease 19
Diabetes 48
Dementia 11
Cancer 15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2020 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 22
hospital care 350
inpatient care 350
transplant procedures 22
urologic procedures 22

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 94
Female 71
Ethnicity
Non-Hispanic White 121
Black 32
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 71
From 75 to 84 0
85 and over 0
Less than 65 68

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2020

Hypertension 75
High Cholesterol 69
Stroke 0
Ischemic Heart Disease 50
Depression 33
Chronic Kidney Disease 75
Asthma 10
Osteoperosis 7
Atrial Fibrilation 15
Heart Failure 36
Chronic Obstructive Pulmonary Disease 17
Diabetes 61
Dementia 8
Cancer 16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2021 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 12
hospital care 319
inpatient care 319
transplant procedures 12
urologic procedures 12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 67
Female 52
Ethnicity
Non-Hispanic White 86
Black 22
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 61
From 75 to 84 0
85 and over 0
Less than 65 39

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2021

Hypertension 75
High Cholesterol 75
Stroke 0
Ischemic Heart Disease 50
Depression 33
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 10
Atrial Fibrilation 18
Heart Failure 39
Chronic Obstructive Pulmonary Disease 14
Diabetes 63
Dementia 15
Cancer 13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2022 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 14
hospital care 231
inpatient care 231
transplant procedures 14
urologic procedures 14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 66
Female 42
Ethnicity
Non-Hispanic White 89
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 58
From 75 to 84 0
85 and over 0
Less than 65 35

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2022

Hypertension 75
High Cholesterol 75
Stroke 11
Ischemic Heart Disease 40
Depression 38
Chronic Kidney Disease 75
Asthma 0
Osteoperosis 11
Atrial Fibrilation 28
Heart Failure 38
Chronic Obstructive Pulmonary Disease 15
Diabetes 74
Dementia 13
Cancer 23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2023 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

abdominal surgery 12
hospital care 163
inpatient care 163
transplant procedures 12
urologic procedures 12

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 45
Female 50
Ethnicity
Non-Hispanic White 80
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 41
From 75 to 84 0
85 and over 0
Less than 65 35

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2023

Hypertension 75
High Cholesterol 75
Stroke 0
Ischemic Heart Disease 39
Depression 33
Chronic Kidney Disease 75
Asthma 16
Osteoperosis 15
Atrial Fibrilation 24
Heart Failure 33
Chronic Obstructive Pulmonary Disease 25
Diabetes 57
Dementia 0
Cancer 13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

hospital care 85
inpatient care 85

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 29
Female 30
Ethnicity
Non-Hispanic White 48
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 32
From 75 to 84 14
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS in 2024

Hypertension 75
High Cholesterol 75
Stroke 0
Ischemic Heart Disease 32
Depression 32
Chronic Kidney Disease 54
Asthma 22
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 27
Chronic Obstructive Pulmonary Disease 24
Diabetes 53
Dementia 0
Cancer 22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. William Cavanaugh Chapman, MD, FACS for Medicare patients.

The highest averages for the top procedures that Dr. William Cavanaugh Chapman, MD, FACS treated as a transplant surgeon in Saint Louis, MO were hospital care, inpatient care, transplant procedures and abdominal surgery.

abdominal surgery 14
doctor visit 93
hospital care 153
inpatient care 153
transplant procedures 14
urologic procedures 14

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS.

Gender
Male 72
Female 56
Ethnicity
Black / African American 6
Asian / Pacific Islander 0
Non-Hispanic White 105
Hispanic 0
Native American / Alaskan Native 0
Other 0
Age
75 to 84 1
85 and over 0
Less than 65 44
65 to 74 61

Average of Total of Conditions of Medicare patients treated by Dr. William Cavanaugh Chapman, MD, FACS From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. William Cavanaugh Chapman, MD, FACS treated were hypertension, chronic kidney disease, high cholesterol and diabetes.

Hypertension 69
High Cholesterol 59
Stroke 0
Ischemic Heart Disease 39
Depression 29
Chronic Kidney Disease 61
Asthma 10
Osteoporosis 6
Heart Failure 28
Chronic Obstructive Pulmonary Disease 17
Diabetes 51
Atrial Fibrillation 13
Cancer 16
Dementia 4

Education & Training

Dr. William Cavanaugh Chapman, MD, FACS graduated from Medical University of South Carolina College of Medicine in 1984. He completed residency at Vanderbilt University Medical Center. He is certified by the Board Certification: General Surgery and has a state license in Missouri.

Medical School: Medical University of South Carolina College of Medicine (1984)

Residency: Vanderbilt University Medical Center (1991)

Board Certification: Board Certification: General Surgery

Licensed In: Missouri

Ratings & Reviews

Dr. William Cavanaugh Chapman, MD, FACS has a good overall rating with an average of 3.07 out of 5 stars based on 41 ratings. We collect ratings and reviews of Dr. William Cavanaugh Chapman, MD, FACS from all over the web to help you find the right in Saint Louis, MO. 

3.07
Overall Rating
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General Payments

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

Payments by Company
Novartis Pharmaceuticals Corporation $62,169 ZORTRESS
$19,251 		NON BRAND
$8,405 		NON_BRAND
$363
$34,150
Biom'Up SA $7,471
$7,471
Medtronic Sofamor Danek USA, Inc. $234 Thoracolumbar - TL Therapies
$234
Covidien LP $155 Signia
$113
$42
GENZYME CORPORATION $139 THYMOGLOBULIN
$139
Other $290 Da Vinci Surgical System
$137 		NULOJIX
$110 		XARELTO
$28 		CODMAN HAKIM Precision Valve
$16
Types of Payments
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $22,400
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program $19,750
Travel and Lodging $13,590
Consulting Fee $12,250
Food and Beverage $2,468

Research Payments

Dr. William Cavanaugh Chapman, MD, FACS has received 76 research payments totaling $465,686.

Biography

Dr. William Chapman is a general surgery, surgical oncology (cancer surgery), and transplant surgery specialist. Patient reviews placed him at an average of 5.0 stars (out of 5). In his practice, he is particularly interested in liver disease, cryosurgery, and bile duct surgery. Dr. Chapman attended Medical University of South Carolina College of Medicine for medical school and subsequently trained at Vanderbilt University Medical Center for residency. His hospital/clinic affiliations include St. Louis Children's Hospital, WashU Medicine, and VA St. Louis Health Care System.

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