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Dr. John J. Chronakos, MD

Accepting New Patients

(Chronakos, John J.)

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Specializes in: Pulmonology (Lung & Respiratory Disease)

New York University (NYU) School of Medicine (1998)

33 Germantown Road Suite 2
Danbury, CT 06810

(203) 739-8330

Dr. John J. Chronakos, MD is a pulmonologist in Danbury, CT specializing in pulmonology (lung & respiratory disease). He graduated from New York University (NYU) School of Medicine in 1998 and has 28 years of experience. Dr. John J. Chronakos, MD is affiliated with NUVANCE HEALTH MEDICAL PRACTICE CT INC and Nuvance Health Medical Practices - Pulmonary, Critical Care and Sleep Medicine.

Office Locations

33 Germantown Road Suite 2
Danbury, CT 06810

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

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

Top 5%

By Volume:

chest ultrasound

In 2023, Dr. John J. Chronakos, MD performed more chest ultrasound procedures for Medicare patients than 95% of providers in related specialties within Connecticut.

Top 10%

By Volume:

inpatient hospital care

In 2023, Dr. John J. Chronakos, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of providers in related specialties within Connecticut.

Top 25%

By Affordability:

central line placement

centrally inserted non-tunneled central line placement

In 2012, Dr. John J. Chronakos, MD had a list price for central line placement, and centrally inserted non-tunneled central line placement that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Connecticut. 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. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2012 were hospital care, inpatient care, pulmonary testing and ultrasound (sonogram).

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

airway management	27
blood draw	13
catheterization	21
doctor visit	1211
hospital care	741
inpatient care	741
preventive care	30
pulmonary testing	220
sleep study	52
thoracic (chest) imaging	84
ultrasound (sonogram)	84
vaccines	30

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2013 were hospital care, inpatient care, pulmonary testing and ultrasound (sonogram).

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

airway management	26
catheterization	18
doctor visit	1293
hospital care	629
inpatient care	629
preventive care	40
pulmonary testing	373
sleep study	54
thoracic (chest) imaging	70
tracheal (windpipe) procedures	12
ultrasound (sonogram)	70
vaccines	40

2013 Medicare Patient Data

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

**Gender**
Male	526
Female	680

**Ethnicity**
Non-Hispanic White	1099
Black	30
Hispanic	41
Asian	22
Other	14
Native American	0

**Age**
From 65 to 74	423
From 75 to 84	417
85 and over	228
Less than 65	138

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

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	54
Depression	30
Chronic Kidney Disease	34
Asthma	32
Osteoperosis	15
Atrial Fibrilation	24
Heart Failure	38
Chronic Obstructive Pulmonary Disease	55
Diabetes	37
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2014 were hospital care, inpatient care, pulmonary testing and sleep study.

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

airway management	23
blood draw	13
catheterization	17
doctor visit	1280
hospital care	697
inpatient care	697
pulmonary testing	388
sleep study	63
thoracic (chest) imaging	44
ultrasound (sonogram)	44

2014 Medicare Patient Data

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

**Gender**
Male	604
Female	685

**Ethnicity**
Non-Hispanic White	1184
Black	25
Hispanic	41
Asian	15
Other	24
Native American	0

**Age**
From 65 to 74	434
From 75 to 84	457
85 and over	241
Less than 65	157

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

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	35
Asthma	28
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	51
Diabetes	34
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2015 were hospital care, inpatient care, pulmonary testing and sleep study.

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

airway management	33
catheterization	19
doctor visit	1243
hospital care	765
inpatient care	765
preventive care	11
pulmonary testing	272
sleep study	104
thoracic (chest) imaging	17
ultrasound (sonogram)	17
vaccines	11

2015 Medicare Patient Data

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

**Gender**
Male	1182
Female	1372

**Ethnicity**
Non-Hispanic White	2340
Black	54
Hispanic	72
Asian	36
Other	52
Native American	0

**Age**
From 65 to 74	932
From 75 to 84	840
85 and over	492
Less than 65	290

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

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	52
Depression	31
Chronic Kidney Disease	38
Asthma	43
Osteoperosis	12
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	48
Diabetes	33
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2016 were inpatient care, hospital care, pulmonary testing and sleep study.

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

airway management	16
aspiration	15
catheterization	11
doctor visit	1248
emergency care	14
hospital care	703
inpatient care	703
pleural drainage	15
preventive care	17
pulmonary testing	304
sleep study	75
thoracic (chest) imaging	38
ultrasound (sonogram)	38
vaccines	17

2016 Medicare Patient Data

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

**Gender**
Male	547
Female	641

**Ethnicity**
Non-Hispanic White	1092
Black	22
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	427
From 75 to 84	396
85 and over	228
Less than 65	137

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

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	54
Depression	33
Chronic Kidney Disease	40
Asthma	58
Osteoperosis	14
Atrial Fibrilation	24
Heart Failure	35
Chronic Obstructive Pulmonary Disease	49
Diabetes	31
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2017 were hospital care, inpatient care, pulmonary testing and sleep study.

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

airway management	21
aspiration	13
catheterization	15
doctor visit	1079
hospital care	704
inpatient care	704
pleural drainage	13
preventive care	39
pulmonary testing	277
sleep study	87
thoracic (chest) imaging	21
ultrasound (sonogram)	21
vaccines	39

2017 Medicare Patient Data

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

**Gender**
Male	555
Female	641

**Ethnicity**
Non-Hispanic White	1078
Black	29
Hispanic	41
Asian	13
Other	35
Native American	0

**Age**
From 65 to 74	423
From 75 to 84	403
85 and over	252
Less than 65	118

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

Hypertension	75
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	52
Depression	33
Chronic Kidney Disease	44
Asthma	22
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	38
Chronic Obstructive Pulmonary Disease	45
Diabetes	32
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2018 were hospital care, inpatient care, pulmonary testing and sleep study.

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

airway management	13
catheterization	23
doctor visit	864
hospital care	623
inpatient care	623
preventive care	12
pulmonary testing	119
sleep study	72
thoracic (chest) imaging	24
ultrasound (sonogram)	24
vaccines	12

2018 Medicare Patient Data

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

**Gender**
Male	524
Female	584

**Ethnicity**
Non-Hispanic White	999
Black	32
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	385
From 75 to 84	367
85 and over	241
Less than 65	115

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

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	55
Depression	32
Chronic Kidney Disease	48
Asthma	20
Osteoperosis	14
Atrial Fibrilation	25
Heart Failure	38
Chronic Obstructive Pulmonary Disease	44
Diabetes	35
Dementia	17
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2019 were hospital care, inpatient care, sleep study and pulmonary testing.

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

airway management	21
aspiration	17
catheterization	24
doctor visit	894
hospital care	716
inpatient care	716
pleural drainage	17
preventive care	15
pulmonary testing	92
sleep study	98
thoracic (chest) imaging	32
ultrasound (sonogram)	32
vaccines	15

2019 Medicare Patient Data

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

**Gender**
Male	541
Female	602

**Ethnicity**
Non-Hispanic White	1031
Black	26
Hispanic	42
Asian	11
Other	33
Native American	0

**Age**
From 65 to 74	421
From 75 to 84	380
85 and over	229
Less than 65	113

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

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	56
Depression	34
Chronic Kidney Disease	45
Asthma	20
Osteoperosis	15
Atrial Fibrilation	26
Heart Failure	38
Chronic Obstructive Pulmonary Disease	44
Diabetes	34
Dementia	17
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2020 were hospital care, inpatient care, pulmonary testing and sleep study.

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

catheterization	23
doctor visit	468
hospital care	407
inpatient care	407
preventive care	14
pulmonary testing	64
sleep study	53
vaccines	14

2020 Medicare Patient Data

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

**Gender**
Male	401
Female	430

**Ethnicity**
Non-Hispanic White	751
Black	19
Hispanic	25
Asian	11
Other	25
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	299
85 and over	159
Less than 65	82

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

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	58
Depression	30
Chronic Kidney Disease	51
Asthma	15
Osteoperosis	14
Atrial Fibrilation	25
Heart Failure	37
Chronic Obstructive Pulmonary Disease	41
Diabetes	34
Dementia	15
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2021 were hospital care, inpatient care, sleep study and pulmonary testing.

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

airway management	11
catheterization	32
doctor visit	660
hospital care	422
inpatient care	422
pulmonary testing	59
sleep study	103
thoracic (chest) imaging	18
ultrasound (sonogram)	18

2021 Medicare Patient Data

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

**Gender**
Male	412
Female	421

**Ethnicity**
Non-Hispanic White	741
Black	0
Hispanic	46
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	286
85 and over	167
Less than 65	93

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

Hypertension	75
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	58
Depression	34
Chronic Kidney Disease	52
Asthma	16
Osteoperosis	14
Atrial Fibrilation	25
Heart Failure	39
Chronic Obstructive Pulmonary Disease	39
Diabetes	36
Dementia	17
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT during 2022 were hospital care, inpatient care, sleep study and pulmonary testing.

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

catheterization	18
doctor visit	579
hospital care	422
inpatient care	422
pulmonary testing	26
sleep study	103
thoracic (chest) imaging	16
ultrasound (sonogram)	16

2022 Medicare Patient Data

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

**Gender**
Male	409
Female	392

**Ethnicity**
Non-Hispanic White	707
Black	19
Hispanic	31
Asian	15
Other	29
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	325
85 and over	154
Less than 65	56

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

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	46
Depression	30
Chronic Kidney Disease	30
Asthma	25
Osteoperosis	18
Atrial Fibrilation	32
Heart Failure	31
Chronic Obstructive Pulmonary Disease	45
Diabetes	32
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. John J. Chronakos, MD treated as a pulmonologist in Danbury, CT were inpatient care, hospital care, pulmonary testing and sleep study.

airway management	21
aspiration	15
blood draw	13
catheterization	20
doctor visit	983
emergency care	14
hospital care	620
inpatient care	620
pleural drainage	15
preventive care	22
pulmonary testing	199
sleep study	78
thoracic (chest) imaging	36
tracheal (windpipe) procedures	12
ultrasound (sonogram)	36
vaccines	22

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	518
Female	586

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	11
Non-Hispanic White	1002
Hispanic	38
Native American / Alaskan Native	0
Other	21

**Age**
75 to 84	379
85 and over	217
Less than 65	118
65 to 74	389

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

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

Hypertension	68
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	48
Depression	28
Chronic Kidney Disease	37
Asthma	25
Osteoporosis	12
Heart Failure	33
Chronic Obstructive Pulmonary Disease	41
Diabetes	30
Atrial Fibrillation	23
Cancer	16
Dementia	13

Education & Training

Dr. John J. Chronakos, MD graduated from New York University (NYU) School of Medicine in 1998. He has a state license in Connecticut.

Medical School: New York University (NYU) School of Medicine (1998)

Licensed In: Connecticut

Affiliations & Hospitals

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

NUVANCE HEALTH MEDICAL PRACTICE CT INC

Nuvance Health Medical Practices - Pulmonary, Critical Care and Sleep Medicine

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. John J. Chronakos, MD appears to accept the following insurance providers: Cigna, ConnectiCare, Aetna, Emblem Health, Multiplan, Blue Cross Blue Shield PPO, MVP Health Care, Harvard Pilgrim Health Care, Anthem Blue Cross Blue Shield, WellCare Managed Medicare, Empire Blue Cross Blue Shield, Coventry & First Health, United Health Care, Oxford Health Plan, Medicaid NY, Traditional Medicare and Centivo.

Insurance Accepted by Provider includes:

According to our sources, Dr. John J. Chronakos, MD accepts the following insurance providers:

Cigna

ConnectiCare

Aetna

Emblem Health

Multiplan

Blue Cross Blue Shield PPO

MVP Health Care

Harvard Pilgrim Health Care

Anthem Blue Cross Blue Shield

WellCare Managed Medicare

Empire Blue Cross Blue Shield

Coventry & First Health

United Health Care

Oxford Health Plan

Medicaid NY

Traditional Medicare

Centivo

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$713 BREO $408	ANORO $177	NUCALA $81	INCRUSE $27	ADVAIR $19
Boehringer Ingelheim Pharmaceuticals, Inc.	$463 COMBIVENT RESPIMAT $139	STIOLTO $129	SPIRIVA RESPIMAT $120	STRIVERDI RESPIMAT $47	Pradaxa $12	Other $17
Genentech USA, Inc.	$267 XOLAIR $144	Esbriet $111	Avastin $12
Resmed Corp	$107 Sleep Disordered Breathing $61	Sleep Disorder Breathing $46
AstraZeneca Pharmaceuticals LP	$97 SYMBICORT $72	DALIRESP $24
Other	$511 XARELTO $56	Xyrem $43	Brovana $39	QVAR $35	Somatuline Depot 120mg-.5ml $28	Other $309

**Types of Payments**
Food and Beverage	$2,117
Education	$41

Research Payments

Dr. John J. Chronakos, MD has received 4 research payments totaling $20,838.

Biography

Dr. John Chronakos is a pulmonology (lung & respiratory disease) specialist in Danbury, CT. Dr. Chronakos is in-network for several insurance carriers, including Anthem, ConnectiCare, and Blue California. Yext reports that he is accepting new patients at his office in Danbury, CT. He is a graduate of New York University (NYU) School of Medicine.