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Dr. John J. Zelis, MD

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Specializes in: Surgical Dermatology, Preventive Medicine, General Surgery, Wound Care and Undersea and Hyperbaric Medicine

Northeast Ohio Medical University (1991)

5731 Bee Ridge Road
Sarasota, FL 34233

(941) 342-8060

Dr. John J. Zelis, MD is a surgical dermatologist in Port Charlotte, FL specializing in surgical dermatology, preventive medicine, general surgery, wound care and undersea and hyperbaric medicine. He graduated from Northeast Ohio Medical University in 1991 and has 35 years of experience. Dr. John J. Zelis, MD is affiliated with Physicians Regional Healthcare System, HCA Florida Healthcare, HCA Florida Largo Hospital HCA Florida Largo West Hospital HCA Florida Sarasota Doctors Hospital HCA Florida Fawcett Hospital and NAUTILUS HEALTH CARE GROUP LLC.

Office Locations

HCA Florida Largo Hospital HCA Florida Largo West Hospital HCA Florida Sarasota Doctors Hospital HCA Florida Fawcett Hospital

3280 Tamiami Trail Suite 491
Port Charlotte, FL 33952

(941) 629-5118

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Physicians Regional Healthcare System

5220 Belfort Road Suite 130
Jacksonville, FL 32256

(904) 446-3760

open_in_new

5731 Bee Ridge Road
Sarasota, FL 34233

(941) 342-8060

open_in_new

601 Main Street
Dunedin, FL 34698

1-855-546-6296

open_in_new

Unable to locate address.

Physicians Regional Healthcare System

Center for Wound Healing
Naples, FL 34114

(239) 354-6425

(239) 354-6483

Noteworthy Medicare Patient Procedures Performed by Dr. John J. Zelis, MD in 2023

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

Top 25%

By Volume:

debridement

By Affordability:

non-excisional debridement

In 2012, among providers in related specialties within Florida, Dr. John J. Zelis, MD performed more debridement (removal of unhealthy tissue) procedures for Medicare patients than 75% of them and he also had a list price for non-excisional debridement 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. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2012 were hospital care, inpatient care, wound repair (e.g. stitches) and debridement (removal of unhealthy tissue).

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	76
doctor visit	31
excision	76
hospital care	1017
hyperbaric oxygen (HBO) therapy	37
inpatient care	1017
nursing home care	44
wound repair (e.g. stitches)	164

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2013 were hospital care, inpatient care, nursing home care and debridement (removal of unhealthy tissue).

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	143
doctor visit	168
excision	127
hospital care	538
hyperbaric oxygen (HBO) therapy	68
inpatient care	538
nursing home care	297

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	224
Female	260

**Ethnicity**
Non-Hispanic White	376
Black	67
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	125
85 and over	120
Less than 65	117

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	18
Ischemic Heart Disease	65
Depression	49
Chronic Kidney Disease	62
Asthma	14
Osteoperosis	15
Atrial Fibrilation	25
Heart Failure	57
Chronic Obstructive Pulmonary Disease	42
Diabetes	58
Dementia	47
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2014 were nursing home care, hospital care, inpatient care and debridement (removal of unhealthy tissue).

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	30
doctor visit	40
excision	30
hospital care	510
inpatient care	510
nursing home care	821

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	215
Female	238

**Ethnicity**
Non-Hispanic White	379
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	136
85 and over	115
Less than 65	77

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	19
Ischemic Heart Disease	72
Depression	53
Chronic Kidney Disease	65
Asthma	13
Osteoperosis	13
Atrial Fibrilation	33
Heart Failure	62
Chronic Obstructive Pulmonary Disease	50
Diabetes	59
Dementia	46
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2015 were nursing home care, hospital care, inpatient care and debridement (removal of unhealthy tissue).

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	56
doctor visit	67
excision	56
hospital care	218
hyperbaric oxygen (HBO) therapy	27
inpatient care	218
nursing home care	913

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	414
Female	454

**Ethnicity**
Non-Hispanic White	718
Black	76
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	218
85 and over	282
Less than 65	162

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	19
Ischemic Heart Disease	64
Depression	50
Chronic Kidney Disease	66
Asthma	26
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	59
Chronic Obstructive Pulmonary Disease	49
Diabetes	56
Dementia	48
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2016 were hospital care, inpatient care, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	372
doctor visit	327
excision	267
hospital care	426
hyperbaric oxygen (HBO) therapy	138
inpatient care	426
nursing home care	123

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	309
Female	277

**Ethnicity**
Non-Hispanic White	520
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	171
85 and over	131
Less than 65	97

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	68
Depression	42
Chronic Kidney Disease	65
Asthma	44
Osteoperosis	13
Atrial Fibrilation	34
Heart Failure	51
Chronic Obstructive Pulmonary Disease	42
Diabetes	53
Dementia	34
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2017 were debridement (removal of unhealthy tissue), excision, hyperbaric oxygen (HBO) therapy and hospital care.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	151
doctor visit	111
excision	103
hospital care	23
hyperbaric oxygen (HBO) therapy	71
inpatient care	23

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	139
Female	128

**Ethnicity**
Non-Hispanic White	230
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	79
85 and over	62
Less than 65	47

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	61
Depression	32
Chronic Kidney Disease	63
Asthma	13
Osteoperosis	13
Atrial Fibrilation	28
Heart Failure	44
Chronic Obstructive Pulmonary Disease	32
Diabetes	58
Dementia	20
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2018 were debridement (removal of unhealthy tissue), excision, hyperbaric oxygen (HBO) therapy and nursing home care.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	292
doctor visit	281
excision	130
hospital care	31
hyperbaric oxygen (HBO) therapy	36
inpatient care	31
nursing home care	34

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	232
Female	237

**Ethnicity**
Non-Hispanic White	390
Black	40
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	139
85 and over	110
Less than 65	93

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	12
Ischemic Heart Disease	66
Depression	41
Chronic Kidney Disease	62
Asthma	11
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	55
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2019 were debridement (removal of unhealthy tissue), excision, hyperbaric oxygen (HBO) therapy and hospital care.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	287
doctor visit	431
excision	119
hospital care	21
hyperbaric oxygen (HBO) therapy	57
inpatient care	21

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	199
Female	215

**Ethnicity**
Non-Hispanic White	361
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	147
85 and over	96
Less than 65	54

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	65
Depression	41
Chronic Kidney Disease	66
Asthma	10
Osteoperosis	16
Atrial Fibrilation	29
Heart Failure	48
Chronic Obstructive Pulmonary Disease	32
Diabetes	51
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2020 were debridement (removal of unhealthy tissue), excision and hyperbaric oxygen (HBO) therapy.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	210
doctor visit	158
excision	115
hyperbaric oxygen (HBO) therapy	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	129
Female	109

**Ethnicity**
Non-Hispanic White	203
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	74
85 and over	49
Less than 65	39

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	63
Depression	36
Chronic Kidney Disease	59
Asthma	7
Osteoperosis	11
Atrial Fibrilation	29
Heart Failure	46
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	23
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2021 were debridement (removal of unhealthy tissue), excision and hyperbaric oxygen (HBO) therapy.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	183
doctor visit	253
excision	92
hyperbaric oxygen (HBO) therapy	79

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	191
Female	155

**Ethnicity**
Non-Hispanic White	310
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	119
85 and over	80
Less than 65	37

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	58
Depression	33
Chronic Kidney Disease	56
Asthma	11
Osteoperosis	14
Atrial Fibrilation	28
Heart Failure	40
Chronic Obstructive Pulmonary Disease	28
Diabetes	47
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL during 2022 were debridement (removal of unhealthy tissue), hyperbaric oxygen (HBO) therapy and excision.

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

debridement (removal of unhealthy tissue)	202
doctor visit	254
excision	105
hyperbaric oxygen (HBO) therapy	108

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	196
Female	160

**Ethnicity**
Non-Hispanic White	315
Black	17
Hispanic	13
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	138
85 and over	95
Less than 65	37

Conditions of Medicare patients treated by Dr. John J. Zelis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	51
Depression	33
Chronic Kidney Disease	52
Asthma	15
Osteoperosis	17
Atrial Fibrilation	41
Heart Failure	40
Chronic Obstructive Pulmonary Disease	35
Diabetes	47
Dementia	14
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John J. Zelis, MD for Medicare patients.

The highest averages for the top procedures that Dr. John J. Zelis, MD treated as a surgical dermatologist in Port Charlotte, FL were nursing home care, hospital care, inpatient care and debridement (removal of unhealthy tissue).

debridement (removal of unhealthy tissue)	182
doctor visit	192
excision	110
hospital care	348
inpatient care	348
nursing home care	372
wound repair (e.g. stitches)	164

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John J. Zelis, MD.

**Gender**
Male	204
Female	203

**Ethnicity**
Black / African American	32
Asian / Pacific Islander	0
Non-Hispanic White	345
Hispanic	3
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	122
85 and over	103
Less than 65	69
65 to 74	112

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

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

Hypertension	68
High Cholesterol	64
Stroke	12
Ischemic Heart Disease	57
Depression	37
Chronic Kidney Disease	56
Asthma	14
Osteoporosis	12
Heart Failure	45
Chronic Obstructive Pulmonary Disease	34
Diabetes	48
Atrial Fibrillation	27
Cancer	14
Dementia	28

Education & Training

Dr. John J. Zelis, MD graduated from Northeast Ohio Medical University in 1991. He completed residency at UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals. He is certified by the American Board of Surgery General Surgery and has a state license in Ohio.

Medical School: Northeast Ohio Medical University (1991)

Residency: UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals

Board Certification: American Board of Surgery General Surgery

Licensed In: Ohio

Affiliations & Hospitals

Dr. John J. Zelis, MD is associated with these hospitals and organizations:

Physicians Regional Healthcare System

HCA Florida Healthcare

HCA Florida Largo Hospital HCA Florida Largo West Hospital HCA Florida Sarasota Doctors Hospital HCA Florida Fawcett Hospital

NAUTILUS HEALTH CARE GROUP LLC

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General Payments

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

**Payments by Company**
Smith & Nephew, Inc.	$197 Regranex $123	Santyl $74
Organogenesis Inc.	$63 Apligraf $49	PuraPly $14
Paratek Pharmaceuticals, Inc.	$24 NUZYRA $24
Misonix Inc	$17 SonicOne $17
Melinta Therapeutics, Inc.	$16 Baxdela $16
Other	$15 RENASYS GO v2 HOME $15

**Types of Payments**
Food and Beverage	$332

Biography

Dr. John Zelis practices undersea and hyperbaric medicine, general surgery, and wound care. His hospital/clinic affiliations include Physicians Regional Healthcare System and HCA Florida Healthcare. Dr. Zelis attended Northeast Ohio Medical University and then went on to complete his residency at a hospital affiliated with UMDNJ-Robert Wood Johnson Medical School.