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Home > NY Providers > Perinatologists

Dr. Hajoon Chun, MD

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Specializes in: Maternal and Fetal Medicine

18901 Northern Boulevard
Flushing, NY 11358

(718) 253-8111

Dr. Hajoon Chun, MD is a perinatologist in Flushing, NY specializing in maternal and fetal medicine.

Office Locations

18901 Northern Boulevard
Flushing, NY 11358

(718) 253-8111

(718) 587-9300

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Medicare Procedure and Patient Information

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	11

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2016 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	74
ultrasound (sonogram)	74
women's imaging	37

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	36

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

**Age**
From 65 to 74	16
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2016

Hypertension	72
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	64
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2017 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	93
ultrasound (sonogram)	93
women's imaging	46

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	47

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

**Age**
From 65 to 74	27
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2017

Hypertension	75
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	38
Depression	49
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	64
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2018 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	87
ultrasound (sonogram)	87
women's imaging	42

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	48

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

**Age**
From 65 to 74	25
From 75 to 84	12
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2018

Hypertension	69
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	42
Depression	40
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	56
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2019 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	93
ultrasound (sonogram)	93
women's imaging	46

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	52

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

**Age**
From 65 to 74	23
From 75 to 84	0
85 and over	0
Less than 65	18

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2019

Hypertension	67
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	25
Asthma	21
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	58
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2020 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	65
ultrasound (sonogram)	65
women's imaging	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	40

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

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2020

Hypertension	73
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	30
Depression	0
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	53
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2021 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	66
ultrasound (sonogram)	66
women's imaging	33

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	34

**Ethnicity**
Non-Hispanic White	16
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	15
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	0
Depression	32
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	59
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2022 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	81
ultrasound (sonogram)	81
women's imaging	40

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	39

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

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2022

Hypertension	72
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	33
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	56
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2023 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	120
ultrasound (sonogram)	120
women's imaging	60

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	59

**Ethnicity**
Non-Hispanic White	20
Black	17
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	20
Asthma	20
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	56
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY during 2024 were ultrasound (sonogram), pelvic imaging and women's imaging.

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

pelvic imaging	67
ultrasound (sonogram)	67
women's imaging	34

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	32

**Ethnicity**
Non-Hispanic White	14
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. Hajoon Chun, MD in 2024

Hypertension	66
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	38
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2024

Volume of procedures performed by Dr. Hajoon Chun, MD for Medicare patients.

The highest averages for the top procedures that Dr. Hajoon Chun, MD treated as a perinatologist in Flushing, NY were ultrasound (sonogram), pelvic imaging and women's imaging.

pelvic imaging	82
ultrasound (sonogram)	82
women's imaging	41

Average Medicare Patient Data From 2013 - 2024

Information about Medicare patients treated by Dr. Hajoon Chun, MD.

**Gender**
Male	0
Female	39

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	18
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	1
85 and over	0
Less than 65	2
65 to 74	18

Average of Total of Conditions of Medicare patients treated by Dr. Hajoon Chun, MD From 2013 - 2024

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

Hypertension	64
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	17
Asthma	4
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	51
Atrial Fibrillation	0
Cancer	0
Dementia	0

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

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General Payments

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

**Payments by Company**
AMAG Pharmaceuticals, Inc.	$449 Makena $424	INTRAROSA $25
GE Healthcare	$388 $388
LUMARA HEALTH INC.	$100 Makena $100
Medtronic MiniMed, Inc.	$76 Minimed 630G $45	Insulin pump $31
Roche Diagnostics Corporation	$76 DC - ACCU-CHEK Insulin Delivery $24	DC ACCU CHEK Insulin Delivery $20	DC ACCU CHEK bG Monitoring $20	RS Harmony Test Related Products $12
Other	$282 t-slim insulin pump $67	CERVIDIL $35	Makena $30	APTIMA HPV $26	NEXPLANON $21	Other $102