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Dr. John L. Masonis, MD

(Dr. John Leander Masonis, MD)

(449 Ratings)

Specializes in: Adult Orthopedic Reconstructive Surgery

Thomas Jefferson University, Jefferson Medical College

Professional interests include: hip problems, knee problems

2001 Vail Avenue Suite 200a
Charlotte, NC 28207

(704) 323-2000

Dr. John L. Masonis, MD is an orthopedic reconstructive surgeon in Charlotte, NC specializing in adult orthopedic reconstructive surgery. He graduated from Thomas Jefferson University, Jefferson Medical College. Dr. John L. Masonis, MD is affiliated with Carolinas Medical Center (CMC), OrthoCarolina, ORTHOCAROLINA PA and SELECT PHYSICAL THERAPY HOLDINGS INC.

Office Locations

2001 Vail Avenue Suite 200a
Charlotte, NC 28207

(704) 323-2000

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250 N Caswell Road Suite 200a
Charlotte, NC 28207

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5935 Carnegie Boulevard Suite 200
Charlotte, NC 28209

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Noteworthy Medicare Patient Procedures Performed by Dr. John L. Masonis, MD in 2023

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

Top 10%

By Volume:

joint reconstruction

knee X-ray

lower extremity surgery

reconstructive surgery

total hip replacement

X-rays

In 2023, Dr. John L. Masonis, MD performed more joint reconstruction, knee X-ray, lower extremity surgery, reconstructive surgery, total hip replacement, and X-rays procedures for Medicare patients than 90% of providers in related specialties within North Carolina.

Top 25%

By Volume:

total knee replacement

In 2012, Dr. John L. Masonis, MD performed more total knee replacement procedures for Medicare patients than 75% of providers in related specialties within North Carolina.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2012 were X-rays, musculoskeletal imaging, hip imaging and pelvic imaging.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	88
computer assisted surgery (CAS)	42
doctor visit	505
hip imaging	183
injections	88
joint surgery	113
lower extremity surgery	113
MRI (magnetic resonance imaging)	12
musculoskeletal imaging	556
pelvic imaging	167
reconstructive surgery	113
revision surgery	13
spinal procedures	40
X-rays	751

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2013 were X-rays, musculoskeletal imaging, hip imaging and pelvic imaging.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	57
computer assisted surgery (CAS)	43
doctor visit	416
hip imaging	189
injections	57
joint surgery	132
lower extremity surgery	132
MRI (magnetic resonance imaging)	14
musculoskeletal imaging	486
pelvic imaging	158
reconstructive surgery	132
revision surgery	20
spinal procedures	33
X-rays	663

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	136
Female	251

**Ethnicity**
Non-Hispanic White	334
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	89
85 and over	17
Less than 65	47

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2013

Hypertension	66
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	14
Asthma	9
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2014 were X-rays, musculoskeletal imaging, hip imaging and pelvic imaging.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	79
computer assisted surgery (CAS)	27
doctor visit	424
hip imaging	213
injections	79
joint surgery	106
lower extremity surgery	106
MRI (magnetic resonance imaging)	34
musculoskeletal imaging	515
pelvic imaging	154
reconstructive surgery	106
revision surgery	14
spinal procedures	34
X-rays	669

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	111
Female	220

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	77
85 and over	16
Less than 65	50

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2014

Hypertension	61
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	15
Asthma	8
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2015 were X-rays, musculoskeletal imaging, hip imaging and pelvic imaging.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	63
computer assisted surgery (CAS)	23
doctor visit	472
hip imaging	219
injections	63
joint surgery	115
lower extremity surgery	115
musculoskeletal imaging	564
pelvic imaging	181
reconstructive surgery	115
spinal procedures	20
X-rays	765

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	300
Female	486

**Ethnicity**
Non-Hispanic White	670
Black	82
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	416
From 75 to 84	224
85 and over	32
Less than 65	114

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2015

Hypertension	67
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2016 were musculoskeletal imaging, X-rays, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	38
doctor visit	407
hip imaging	27
injections	38
joint surgery	127
lower extremity surgery	127
MRI (magnetic resonance imaging)	49
musculoskeletal imaging	293
reconstructive surgery	127
spinal procedures	40
X-rays	284

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	142
Female	245

**Ethnicity**
Non-Hispanic White	324
Black	41
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	121
85 and over	17
Less than 65	37

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2016

Hypertension	61
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2017 were X-rays, musculoskeletal imaging, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	49
doctor visit	423
hip imaging	21
injections	49
joint surgery	134
lower extremity surgery	134
MRI (magnetic resonance imaging)	36
musculoskeletal imaging	344
reconstructive surgery	134
spinal procedures	42
X-rays	350

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	142
Female	241

**Ethnicity**
Non-Hispanic White	316
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	115
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2017

Hypertension	64
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	25
Depression	25
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	8
Diabetes	24
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2018 were musculoskeletal imaging, X-rays, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	59
doctor visit	425
hip imaging	28
injections	59
joint surgery	106
lower extremity surgery	106
MRI (magnetic resonance imaging)	42
musculoskeletal imaging	318
reconstructive surgery	106
spinal procedures	27
X-rays	303

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	166
Female	219

**Ethnicity**
Non-Hispanic White	310
Black	53
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	115
85 and over	11
Less than 65	49

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2018

Hypertension	64
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	21
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2019 were musculoskeletal imaging, X-rays, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	66
doctor visit	503
hip imaging	16
injections	66
joint surgery	94
lower extremity surgery	94
MRI (magnetic resonance imaging)	16
musculoskeletal imaging	344
reconstructive surgery	94
spinal procedures	11
X-rays	339

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	149
Female	268

**Ethnicity**
Non-Hispanic White	343
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	135
85 and over	15
Less than 65	43

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2019

Hypertension	60
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	22
Depression	25
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	25
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2020 were X-rays, musculoskeletal imaging, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	79
doctor visit	504
hip imaging	18
injections	79
joint surgery	101
lower extremity surgery	101
MRI (magnetic resonance imaging)	36
musculoskeletal imaging	307
reconstructive surgery	101
spinal procedures	39
X-rays	310

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	152
Female	287

**Ethnicity**
Non-Hispanic White	370
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	123
85 and over	25
Less than 65	36

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2020

Hypertension	56
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2021 were musculoskeletal imaging, X-rays, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	50
doctor visit	457
hip imaging	24
injections	50
joint surgery	114
lower extremity surgery	114
MRI (magnetic resonance imaging)	24
musculoskeletal imaging	240
reconstructive surgery	114
spinal procedures	12
X-rays	228

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	165
Female	239

**Ethnicity**
Non-Hispanic White	357
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	139
85 and over	23
Less than 65	14

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2021

Hypertension	59
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC during 2022 were musculoskeletal imaging, X-rays, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

aspiration	34
doctor visit	433
hip imaging	29
injections	34
joint surgery	150
lower extremity surgery	150
MRI (magnetic resonance imaging)	46
musculoskeletal imaging	216
reconstructive surgery	150
spinal procedures	40
X-rays	210

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	176
Female	254

**Ethnicity**
Non-Hispanic White	377
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	146
85 and over	23
Less than 65	16

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2022

Hypertension	67
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	3
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John L. Masonis, MD for Medicare patients.

The highest averages for the top procedures that Dr. John L. Masonis, MD treated as an orthopedic reconstructive surgeon in Charlotte, NC were X-rays, musculoskeletal imaging, pelvic imaging and lower extremity surgery.

aspiration	60
computer assisted surgery (CAS)	33
doctor visit	451
hip imaging	87
injections	60
joint surgery	117
lower extremity surgery	117
MRI (magnetic resonance imaging)	30
musculoskeletal imaging	380
pelvic imaging	165
reconstructive surgery	117
revision surgery	15
spinal procedures	30
X-rays	442

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John L. Masonis, MD.

**Gender**
Male	149
Female	246

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	0
Non-Hispanic White	334
Native American / Alaskan Native	0
Hispanic	0
Other	1

**Age**
75 to 84	116
85 and over	16
Less than 65	36
65 to 74	221

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

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

Hypertension	56
High Cholesterol	54
Stroke	1
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	16
Asthma	8
Osteoporosis	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Atrial Fibrillation	9
Dementia	3
Cancer	9

Education & Training

Dr. John L. Masonis, MD graduated from Thomas Jefferson University, Jefferson Medical College. He completed residency at Atrium Health - Carolinas Medical Center -, Orthopedic Surgery. He has a state license in North Carolina.

Medical School: Thomas Jefferson University, Jefferson Medical College

Residency: Atrium Health - Carolinas Medical Center -, Orthopedic Surgery

Licensed In: North Carolina

Affiliations & Hospitals

Dr. John L. Masonis, MD is associated with these hospitals and organizations:

Carolinas Medical Center (CMC)

OrthoCarolina

ORTHOCAROLINA PA

SELECT PHYSICAL THERAPY HOLDINGS INC

Ratings & Reviews

Dr. John L. Masonis, MD has an exceptional overall rating with an average of 4.8 out of 5 stars based on 449 ratings. We collect ratings and reviews of Dr. John L. Masonis, MD from all over the web to help you find the right in Charlotte, NC.

4.8

Overall Rating

(449 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2024-02-25

Dr. Masonis did my left hip replacement & when I'm ready, he will do my right hip. I have severe anxiety and he made me feel safe and secure and did a wonderful job. My scar is in the groin area where it cannot even be seen. I highly recommend him!!!

General Payments

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

**Payments by Company**
Zimmer Biomet Holdings, Inc.	$1,426,101 Persona $1,311,679	Persona Revision $68,982	Avenir $10,894	KNEES $4,313	Knee New Product $3,102	Other $27,131
Medacta USA, Inc.	$719,873 GMK Sphere $270,436	AMIStem $169,547	Quadra $151,583	M-Vizion $58,437	MyKnee $36,258	Other $33,612
Smith+Nephew, Inc.	$538,547 REDAPT $257,785	Journey II $125,449	Legion $74,118	REDAPT Revision Hip System $70,710	JII Unicondylar Knee System $6,261	Other $4,224
Smith & Nephew, Inc.	$487,839 Other Recon $202,410	REDAPT Revision Hip System $89,532	Recon Hips $86,188	R3 $51,153	Recon Knees $26,977	Other $31,578
MEDACTA USA	$59,798 Quadra $40,763	AMIStem $17,680	GMK Revision $682	Mpact $305	MiniMax $193	Other $176
Other	$13,176 Knee $1,593	ALL $1,152	MAKOplasty $1,012	SURGICAL PAIN INCISIONAL PRODUCTS $144	Xperience $132	Other $9,143

**Types of Payments**
Royalty or License	$2,242,866
Consulting Fee	$658,834
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$200,190
Travel and Lodging	$69,028
Honoraria	$59,600
Other	$14,817

Research Payments

Dr. John L. Masonis, MD has received 207 research payments totaling $336,450.

Biography

Dr. John Masonis is an adult orthopedic reconstructive surgery specialist in Charlotte, NC. His clinical interests encompass knee problems and hip problems. Patient reviews placed Dr. Masonis at an average of 5.0 stars (out of 5). He studied medicine at Thomas Jefferson University, Jefferson Medical College. He has received distinctions including Named a 2023 Top Doctor by Charlotte Magazine; North Carolina's Top Doctors, Charlotte Region; and SouthPark Magazine. Dr. Masonis is professionally affiliated with Carolinas Medical Center (CMC) and OrthoCarolina.

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Dr. John L. Masonis, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John L. Masonis, MD in 2023

By Volume:

By Volume:

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. John L. Masonis, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John L. Masonis, 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. John L. Masonis, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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