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Dr. John A. Willis, MD

(308 Ratings)

Specializes in: General Surgery and Orthopedics/Orthopedic Surgery

University of Connecticut School of Medicine

Professional interests include: shoulder instability, ACL reconstruction, sports health, and more.

18 Route 6a Po Box 2019
Sandwich, MA 02563

(508) 775-8282

Dr. John A. Willis, MD is a general surgeon in Hyannis, MA specializing in general surgery and orthopedics/orthopedic surgery. He graduated from University of Connecticut School of Medicine. Dr. John A. Willis, MD is affiliated with Cape Cod Healthcare, CAPE COD ORTHOPEDICS AND SPORTS MEDICINE PC, Cape Cod Orthopaedics & Sports Medicine and PHYSIOTHERAPY ASSOCIATES INC.

Office Locations

130 N Street Extension
Hyannis, MA 02601

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130 North Street
Hyannis, MA 02601

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Cape Cod Orthopaedics & Sports Medicine

18 Route 6a Po Box 2019
Sandwich, MA 02563

(508) 775-8282

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In The News

“In fact, two of the orthopedic surgeons affiliated with Cape Cod Hospital -- Andrew Smith, MD, and John Willis, MD -- are fellowship-trained in sports medicine, meaning they received additional...”—"Getting back in the game", The Barnstable Patriot, July 2005

Noteworthy Medicare Patient Procedures Performed by Dr. John A. Willis, MD in 2023

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

Top 5%

By Volume:

arthroscopic acromioplasty

arthroscopic rotator cuff repair

shoulder arthroscopy

subacromial decompression

In 2023, Dr. John A. Willis, MD performed more arthroscopic acromioplasty, arthroscopic rotator cuff repair, shoulder arthroscopy, and subacromial decompression procedures for Medicare patients than 95% of providers in related specialties within Massachusetts.

Top 10%

By Volume:

shoulder surgery

By Affordability:

acromial resection

acromioplasty

arthroscopic acromioplasty

arthroscopic subacromial decompression

In 2023, among providers in related specialties within Massachusetts, Dr. John A. Willis, MD performed more shoulder surgery procedures for Medicare patients than 90% of them and he also had a list price for acromial resection, acromioplasty, arthroscopic acromioplasty, and arthroscopic subacromial decompression 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:

arthroscopic shoulder debridement

decompression surgery

shoulder debridement

shoulder surgery

subacromial decompression

In 2012, Dr. John A. Willis, MD had a list price for arthroscopic shoulder debridement, decompression surgery, shoulder debridement, shoulder surgery, and subacromial decompression 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. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2012 were minimally invasive procedures, joint surgery, upper extremity surgery and decompression surgery.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	57
debridement (removal of unhealthy tissue)	17
decompression surgery	70
doctor visit	249
injections	57
joint surgery	156
minimally invasive procedures	156
musculoskeletal imaging	19
upper extremity surgery	156
X-rays	19

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2013 were minimally invasive procedures, joint surgery, upper extremity surgery and decompression surgery.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	56
debridement (removal of unhealthy tissue)	14
decompression surgery	75
doctor visit	218
injections	56
joint surgery	155
minimally invasive procedures	155
musculoskeletal imaging	15
upper extremity surgery	155
X-rays	15

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	125
Female	101

**Age**
From 65 to 74	134
From 75 to 84	65
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2013

Hypertension	65
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	12
Asthma	5
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	5
Chronic Obstructive Pulmonary Disease	9
Diabetes	17
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2014 were minimally invasive procedures, joint surgery, upper extremity surgery and X-rays.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	75
debridement (removal of unhealthy tissue)	20
decompression surgery	86
doctor visit	334
hip imaging	25
injections	75
joint surgery	186
lower extremity surgery	12
minimally invasive procedures	186
musculoskeletal imaging	135
pelvic imaging	24
upper extremity surgery	174
X-rays	159

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	224
Female	199

**Ethnicity**
Non-Hispanic White	402
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	123
85 and over	32
Less than 65	12

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2014

Hypertension	65
High Cholesterol	63
Stroke	3
Ischemic Heart Disease	30
Depression	17
Chronic Kidney Disease	12
Asthma	9
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	7
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2015 were X-rays, minimally invasive procedures, joint surgery and upper extremity surgery.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	81
debridement (removal of unhealthy tissue)	12
decompression surgery	73
doctor visit	313
hip imaging	16
injections	81
joint surgery	148
minimally invasive procedures	148
musculoskeletal imaging	137
pelvic imaging	15
upper extremity surgery	148
X-rays	152

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	452
Female	410

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

**Age**
From 65 to 74	522
From 75 to 84	260
85 and over	56
Less than 65	24

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2015

Hypertension	65
High Cholesterol	68
Stroke	3
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2016 were minimally invasive procedures, joint surgery, upper extremity surgery and X-rays.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	74
debridement (removal of unhealthy tissue)	39
decompression surgery	79
doctor visit	331
injections	74
joint surgery	177
minimally invasive procedures	177
musculoskeletal imaging	135
upper extremity surgery	177
X-rays	135

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	233
Female	213

**Ethnicity**
Non-Hispanic White	423
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	125
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2016

Hypertension	63
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	15
Asthma	11
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Dementia	3
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2017 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	250
debridement (removal of unhealthy tissue)	27
decompression surgery	53
doctor visit	460
injections	250
joint surgery	120
minimally invasive procedures	120
musculoskeletal imaging	137
upper extremity surgery	120
X-rays	137

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	197
Female	169

**Ethnicity**
Non-Hispanic White	343
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	107
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2017

Hypertension	64
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	5
Atrial Fibrilation	9
Heart Failure	5
Chronic Obstructive Pulmonary Disease	5
Diabetes	19
Dementia	3
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2018 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	553
debridement (removal of unhealthy tissue)	28
decompression surgery	64
doctor visit	980
injections	553
joint surgery	143
minimally invasive procedures	143
musculoskeletal imaging	312
upper extremity surgery	143
X-rays	312

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	306
Female	306

**Ethnicity**
Non-Hispanic White	576
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	195
85 and over	54
Less than 65	30

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2018

Hypertension	67
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	7
Chronic Obstructive Pulmonary Disease	8
Diabetes	15
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2019 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	517
debridement (removal of unhealthy tissue)	31
decompression surgery	75
doctor visit	966
injections	517
joint surgery	163
minimally invasive procedures	163
musculoskeletal imaging	241
upper extremity surgery	163
X-rays	241

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	288
Female	309

**Ethnicity**
Non-Hispanic White	565
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	343
From 75 to 84	0
85 and over	42
Less than 65	25

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2019

Hypertension	64
High Cholesterol	71
Stroke	2
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	6
Chronic Obstructive Pulmonary Disease	5
Diabetes	16
Dementia	2
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2020 were aspiration, injections, minimally invasive procedures and joint surgery.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	124
decompression surgery	54
doctor visit	297
injections	124
joint surgery	100
minimally invasive procedures	100
musculoskeletal imaging	54
upper extremity surgery	100
X-rays	54

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	138
Female	99

**Ethnicity**
Non-Hispanic White	213
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	68
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2020

Hypertension	62
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	5
Chronic Obstructive Pulmonary Disease	0
Diabetes	14
Dementia	0
Cancer	6

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2021 were minimally invasive procedures, joint surgery, upper extremity surgery and aspiration.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	83
decompression surgery	60
doctor visit	256
injections	83
joint surgery	112
minimally invasive procedures	112
musculoskeletal imaging	40
upper extremity surgery	112
X-rays	40

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	116
Female	91

**Ethnicity**
Non-Hispanic White	187
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	59
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2021

Hypertension	59
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA during 2022 were minimally invasive procedures, joint surgery, upper extremity surgery and decompression surgery.

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

aspiration	45
debridement (removal of unhealthy tissue)	13
decompression surgery	50
doctor visit	117
injections	45
joint surgery	99
minimally invasive procedures	99
musculoskeletal imaging	16
upper extremity surgery	99
X-rays	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	83
Female	55

**Ethnicity**
Non-Hispanic White	127
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John A. Willis, MD in 2022

Hypertension	54
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	10
Asthma	8
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John A. Willis, MD for Medicare patients.

The highest averages for the top procedures that Dr. John A. Willis, MD treated as a general surgeon in Hyannis, MA were aspiration, injections, minimally invasive procedures and joint surgery.

aspiration	174
debridement (removal of unhealthy tissue)	22
decompression surgery	67
doctor visit	411
hip imaging	20
injections	174
joint surgery	141
lower extremity surgery	12
minimally invasive procedures	141
musculoskeletal imaging	112
pelvic imaging	19
upper extremity surgery	140
X-rays	116

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John A. Willis, MD.

**Gender**
Male	196
Female	177

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	332
Hispanic	0
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	91
85 and over	16
Less than 65	8
65 to 74	227

Average of Total of Conditions of Medicare patients treated by Dr. John A. Willis, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John A. Willis, MD treated were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	57
High Cholesterol	59
Stroke	1
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	12
Asthma	7
Osteoporosis	6
Heart Failure	5
Chronic Obstructive Pulmonary Disease	4
Diabetes	13
Atrial Fibrillation	9
Cancer	10
Dementia	2

Education & Training

Dr. John A. Willis, MD graduated from University of Connecticut School of Medicine. He completed residency at University of Connecticut Affiliated Hospitals. He is certified by the American Board of Orthopaedic Surgery and has a state license in Massachusetts.

Medical School: University of Connecticut School of Medicine

Residency: University of Connecticut Affiliated Hospitals

Board Certification: American Board of Orthopaedic Surgery

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. John A. Willis, MD is associated with these hospitals and organizations:

Cape Cod Healthcare

CAPE COD ORTHOPEDICS AND SPORTS MEDICINE PC

Cape Cod Orthopaedics & Sports Medicine

PHYSIOTHERAPY ASSOCIATES INC

Ratings & Reviews

Dr. John A. Willis, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 308 ratings. We collect ratings and reviews of Dr. John A. Willis, MD from all over the web to help you find the right in Hyannis, MA.

4.91

Overall Rating

(308 Ratings)

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General Payments

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

**Payments by Company**
Arthrex, Inc.	$2,244 ALL ARTHREX PRODUCT LINES $2,244
Kairos Surgical Inc	$2,221 ALL ARTHREX PRODUCT LINES $2,221
Zimmer Biomet Holdings, Inc.	$768 AccuFill $264	Comprehensive Shoulder System $111	Comprehensive Anatomic $70	BIOMET BONE CEMENT R $65	TAPESTRY $56	Other $202
Biomet Orthopedics, LLC	$279 ORTHO - KNEES $231	ORTHO - GENERAL $49
Smith+Nephew, Inc.	$217 REGENETEN Shoulder $127	Bioinductive Implant with Arthroscopic Delivery System - Medium $90
Other	$496 Linvatec Shoulder Arthroscopy $82	FLEXIBLE GUIDE PIN (STRYKER ACL VERSITOMIC) $73	Dri-Lok Disposable Cannulas $57	ICONIX $54	VRAYLAR $36	Other $193

**Types of Payments**
Food and Beverage	$2,268
Education	$2,152
Travel and Lodging	$1,807

Biography

Dr. John Willis is a specialist in general surgery and orthopedics/orthopedic surgery. Dr. Willis is rated highly by his patients. Clinical interests for Dr. Willis include ACL reconstruction, shoulder instability, and sports health. Before performing his residency at a hospital affiliated with the University of Connecticut, Dr. Willis attended the University of Connecticut School of Medicine. He is affiliated with Cape Cod Healthcare.