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Dr. Jonathan D. Klonsky, MD

(Jonathan David Klonsky, MD)

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Specializes in: Bariatric Surgery and General Surgery

25 Central Park Road
Plainview, NY 11803

(516) 719-3090

Dr. Jonathan D. Klonsky, MD is a bariatric surgeon in Plainview, NY specializing in bariatric surgery and general surgery. Dr. Jonathan D. Klonsky, MD is affiliated with NORTH SHORE - LIJ MEDICAL PC and Northwell Health Physician Partners at Plainview.

Office Locations

25 Central Park Road
Plainview, NY 11803

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Noteworthy Medicare Patient Procedures Performed by Dr. Jonathan D. Klonsky, MD in 2023

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Jonathan D. Klonsky, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2012 were ultrasound (sonogram), neck imaging, hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

diagnostic procedures	15
doctor visit	90
hospital care	25
inpatient care	25
minimally invasive procedures	15
minor procedures	15
neck imaging	31
ultrasound (sonogram)	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2013 were hospital care, inpatient care, ultrasound (sonogram) and neck imaging.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	89
emergency care	17
hospital care	40
inpatient care	40
minor procedures	14
neck imaging	20
ultrasound (sonogram)	20
wound repair (e.g. stitches)	14

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	73
Female	73

**Ethnicity**
Non-Hispanic White	115
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	31
From 75 to 84	53
85 and over	32
Less than 65	30

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	66
Depression	20
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	23
Diabetes	50
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	36
hospital care	128
inpatient care	128

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	59
Female	85

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	36
85 and over	26
Less than 65	44

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2014

Hypertension	75
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	58
Depression	35
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	14
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	28
Diabetes	46
Dementia	26
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	104
hospital care	100
inpatient care	100

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	114
Female	182

**Ethnicity**
Non-Hispanic White	252
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	72
85 and over	68
Less than 65	66

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2015

Hypertension	72
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	57
Depression	32
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	26
Chronic Obstructive Pulmonary Disease	11
Diabetes	45
Dementia	22
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	146
hospital care	143
inpatient care	143

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	85
Female	107

**Ethnicity**
Non-Hispanic White	165
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	50
85 and over	38
Less than 65	40

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	46
Depression	27
Chronic Kidney Disease	36
Asthma	19
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	17
Diabetes	44
Dementia	19
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	150
hospital care	72
inpatient care	72

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	75
Female	85

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	29
85 and over	23
Less than 65	50

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2017

Hypertension	71
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	51
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	103
hospital care	127
inpatient care	127

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	63
Female	80

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	32
85 and over	22
Less than 65	37

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	42
Depression	35
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	46
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	56
hospital care	211
inpatient care	211

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	73
Female	88

**Ethnicity**
Non-Hispanic White	138
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	36
85 and over	28
Less than 65	31

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	57
Depression	35
Chronic Kidney Disease	52
Asthma	12
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	36
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2020 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

abdominal surgery	13
doctor visit	64
gastrointestinal procedures	13
hospital care	224
inpatient care	224
open surgery	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	99
Female	94

**Ethnicity**
Non-Hispanic White	163
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	41
85 and over	36
Less than 65	35

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	59
Depression	33
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	43
Dementia	23
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	82
hospital care	219
inpatient care	219

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	91
Female	115

**Ethnicity**
Non-Hispanic White	179
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	48
85 and over	52
Less than 65	28

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	57
Depression	33
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	29
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY during 2022 were hospital care, inpatient care and emergency care.

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

doctor visit	101
emergency care	11
hospital care	203
inpatient care	203

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Male	87
Female	104

**Ethnicity**
Non-Hispanic White	159
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	56
85 and over	34
Less than 65	31

Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	49
Depression	32
Chronic Kidney Disease	28
Asthma	16
Osteoperosis	16
Atrial Fibrilation	26
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	19
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jonathan D. Klonsky, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jonathan D. Klonsky, MD treated as a bariatric surgeon in Plainview, NY were hospital care, inpatient care, ultrasound (sonogram) and neck imaging.

abdominal surgery	13
diagnostic procedures	15
doctor visit	92
emergency care	14
gastrointestinal procedures	13
hospital care	135
inpatient care	135
minimally invasive procedures	15
minor procedures	14
neck imaging	25
open surgery	13
ultrasound (sonogram)	25
wound repair (e.g. stitches)	14

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jonathan D. Klonsky, MD.

**Gender**
Female	92
Male	74

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	141
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	32
75 to 84	41
Less than 65	35
65 to 74	57

Average of Total of Conditions of Medicare patients treated by Dr. Jonathan D. Klonsky, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Jonathan D. Klonsky, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	48
Depression	28
Chronic Kidney Disease	36
Asthma	11
Osteoporosis	11
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Atrial Fibrillation	19
Dementia	18
Cancer	14

Education & Training

He has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Jonathan D. Klonsky, MD is associated with these hospitals and organizations:

NORTH SHORE - LIJ MEDICAL PC

Northwell Health Physician Partners at Plainview

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Jonathan D. Klonsky, MD appears to accept the following insurance providers: MagnaCare, Elderplan, EmblemHealth Insurance Company (fka HIP Insurance Company of New York) HIPIC, Fidelis, Wellcare, Affinity by Molina Healthcare, United Healthcare, Aetna, Oxford, Medicare, Empire BlueCross BlueShield (32BJ), Medicaid, Healthfirst, Humana, Railroad Medicare, Cigna, 1199 SEIU, Anthem HealthPlus, US Family Health Plan, EmblemHealth (GHI), Senior Whole Health, NYS Empire Plan (NYSHIP), VNS Health, Longevity Health Plan, VillageCareMax, Northwell Direct, AmidaCare, CenterLight, WTC (World Trade Center Program) and Hamaspik.

Insurance Accepted by Provider includes:

According to our sources, Dr. Jonathan D. Klonsky, MD accepts the following insurance providers:

MagnaCare

Elderplan

EmblemHealth Insurance Company (fka HIP Insurance Company of New York) HIPIC

Fidelis

Wellcare

Affinity by Molina Healthcare

United Healthcare

Aetna

Oxford

Medicare

Empire BlueCross BlueShield (32BJ)

Medicaid

Healthfirst

Humana

Railroad Medicare

Cigna

1199 SEIU

Anthem HealthPlus

US Family Health Plan

EmblemHealth (GHI)

Senior Whole Health

NYS Empire Plan (NYSHIP)

VNS Health

Longevity Health Plan

VillageCareMax

Northwell Direct

AmidaCare

CenterLight

WTC (World Trade Center Program)

Hamaspik

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General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$6,835 DAVINCI XI $5,500	Da Vinci Surgical System $1,335
Covidien Sales LLC	$165 Synthetic Mesh $165
Abbott Laboratories	$165 Vascular $165
ACell, Inc.	$132 $132
Ethicon US, LLC	$125 Endoscopy: Endocutters $125
Other	$363 Signia $91	AAA Stent Grafts $45	Mynx Vascular Closure Device $32	BPV-LifeStar $27	Flash Ostial System $21	Other $149

**Types of Payments**
Education	$5,573
Travel and Lodging	$1,203
Food and Beverage	$1,007

Biography

Dr. Jonathan Klonsky sees patients in West Islip, NY and Plainview, NY. His medical specialties are general surgery and bariatric surgery. Dr. Klonsky has obtained a license to practice in New York.