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Dr. John Chu-Hong Chang, MD

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Specializes in: Ophthalmology (Eye Disease)

169 N Middletown Road
Pearl River, NY 10965

(845) 735-5666

Dr. John Chu-Hong Chang, MD is an ophthalmologist in Pearl River, NY specializing in ophthalmology (eye disease).

Office Locations

169 N Middletown Road
Pearl River, NY 10965

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Noteworthy Medicare Patient Procedures Performed by Dr. John Chu-Hong Chang, MD in 2023

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

Top 10%

By Volume:

tear osmolarity test

In 2023, Dr. John Chu-Hong Chang, MD performed more tear osmolarity test procedures for Medicare patients than 90% of providers in related specialties within New York.

Top 25%

By Volume:

epilation for trichiasis

eye procedures

SCODI of the posterior segment

By Affordability:

eyelid procedures

In 2012, among providers in related specialties within New York, Dr. John Chu-Hong Chang, MD performed more epilation for trichiasis (non-surgical removal of misdirected eyelash), eye procedures, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 75% of them and he also had a list price for eyelid procedures 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 Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2012 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	30
debridement (removal of unhealthy tissue)	13
diagnostic imaging	13
doctor visit	18
excision	23
eye procedures	2695
foreign body removal	11
laser treatment	53
ultrasound (sonogram)	67

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2013 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	31
excision	21
eye procedures	2661
lacrimal (tearing system) procedures	26
laser treatment	52
ultrasound (sonogram)	53

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	287
Female	430

**Ethnicity**
Non-Hispanic White	538
Black	58
Hispanic	60
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	244
85 and over	104
Less than 65	108

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2013

Hypertension	67
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	36
Depression	15
Chronic Kidney Disease	13
Asthma	10
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2014 were eye procedures, lab tests, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	20
doctor visit	24
eye procedures	2541
lab tests	536
lacrimal (tearing system) procedures	33
laser treatment	55
ultrasound (sonogram)	45

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	279
Female	419

**Ethnicity**
Non-Hispanic White	526
Black	57
Hispanic	50
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	223
85 and over	107
Less than 65	104

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2014

Hypertension	69
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2015 were eye procedures, lab tests, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	20
doctor visit	265
eye procedures	2375
lab tests	605
laser treatment	52
ultrasound (sonogram)	46

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	542
Female	914

**Ethnicity**
Non-Hispanic White	1108
Black	138
Hispanic	96
Asian	78
Other	36
Native American	0

**Age**
From 65 to 74	586
From 75 to 84	458
85 and over	224
Less than 65	188

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2015

Hypertension	68
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	31
Depression	14
Chronic Kidney Disease	16
Asthma	13
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2016 were eye procedures, lab tests, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	31
doctor visit	117
eye procedures	2765
lab tests	403
laser treatment	73
ultrasound (sonogram)	54

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	257
Female	488

**Ethnicity**
Non-Hispanic White	566
Black	66
Hispanic	51
Asian	37
Other	25
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	242
85 and over	113
Less than 65	88

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2016

Hypertension	70
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	28
Depression	14
Chronic Kidney Disease	20
Asthma	17
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	37
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2017 were eye procedures, lab tests, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	29
doctor visit	78
excision	15
eye procedures	2650
lab tests	699
lacrimal (tearing system) procedures	27
laser treatment	78
removal of lesion (e.g. growth)	15
ultrasound (sonogram)	38

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	254
Female	456

**Ethnicity**
Non-Hispanic White	547
Black	59
Hispanic	37
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	282
From 75 to 84	234
85 and over	118
Less than 65	76

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2017

Hypertension	69
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2018 were eye procedures, lab tests, laser treatment and capsulotomy.

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	31
doctor visit	59
eye procedures	2838
lab tests	852
laser treatment	54
ultrasound (sonogram)	25

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	279
Female	484

**Ethnicity**
Non-Hispanic White	588
Black	58
Hispanic	51
Asian	44
Other	22
Native American	0

**Age**
From 65 to 74	330
From 75 to 84	237
85 and over	123
Less than 65	73

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2018

Hypertension	68
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2019 were eye procedures, lab tests, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	29
doctor visit	246
eye procedures	3467
lab tests	723
laser treatment	29
ultrasound (sonogram)	46

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	343
Female	635

**Ethnicity**
Non-Hispanic White	772
Black	64
Hispanic	45
Asian	60
Other	0
Native American	0

**Age**
From 65 to 74	405
From 75 to 84	351
85 and over	149
Less than 65	73

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2019

Hypertension	68
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2020 were eye procedures, lab tests and ultrasound (sonogram).

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

doctor visit	56
eye procedures	2070
lab tests	505
ultrasound (sonogram)	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	273
Female	512

**Ethnicity**
Non-Hispanic White	633
Black	54
Hispanic	37
Asian	32
Other	29
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	287
85 and over	127
Less than 65	53

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2020

Hypertension	64
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	31
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2021 were eye procedures, lab tests, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	26
doctor visit	65
eye procedures	2908
lab tests	777
laser treatment	47
ultrasound (sonogram)	34

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	315
Female	584

**Ethnicity**
Non-Hispanic White	714
Black	50
Hispanic	46
Asian	50
Other	39
Native American	0

**Age**
From 65 to 74	368
From 75 to 84	335
85 and over	148
Less than 65	48

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2021

Hypertension	69
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	31
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY during 2022 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

capsulotomy	36
doctor visit	108
eye procedures	3241
lab tests	821
laser treatment	36
ultrasound (sonogram)	26

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	337
Female	587

**Ethnicity**
Non-Hispanic White	730
Black	62
Hispanic	44
Asian	48
Other	40
Native American	0

**Age**
From 65 to 74	373
From 75 to 84	357
85 and over	130
Less than 65	64

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	15
Asthma	10
Osteoperosis	19
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Chu-Hong Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Chu-Hong Chang, MD treated as an ophthalmologist in Pearl River, NY were eye procedures, lab tests, laser treatment and ultrasound (sonogram).

capsulotomy	28
debridement (removal of unhealthy tissue)	13
diagnostic imaging	13
doctor visit	103
excision	19
eye procedures	2746
foreign body removal	11
lab tests	657
lacrimal (tearing system) procedures	28
laser treatment	52
removal of lesion (e.g. growth)	15
ultrasound (sonogram)	42

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Chu-Hong Chang, MD.

**Gender**
Male	287
Female	500

**Ethnicity**
Black / African American	60
Asian / Pacific Islander	42
Non-Hispanic White	611
Native American / Alaskan Native	0
Hispanic	47
Other	17

**Age**
75 to 84	269
85 and over	122
Less than 65	79
65 to 74	317

Average of Total of Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Chu-Hong Chang, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	62
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	18
Asthma	8
Osteoporosis	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Atrial Fibrillation	9
Dementia	8
Cancer	10

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. John Chu-Hong Chang, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Alcon Laboratories Inc	$861 Cataract Equipment $216	Refractive Equipment $170	RefractiveEquipment $143	Luxor $117	Ilevro $92	Other $122
Abbott Laboratories	$659 Optics $448	Non-Covered $93	Healon Viscoelastics $19	$99
Allergan Inc.	$551 RESTASIS $237	ALPHAGAN P $148	LUMIGAN $103	COMBIGAN $42	BOTOX $21
Alcon Vision LLC	$501 AcrySof IQ VIVITY $166	Precision 1 $125	iLux $65	AcrySof $62	ARGOS $23	Other $60
GLAUKOS CORPORATION	$460 iSTENT iNJECT TRABECULAR MICRO-BYPASS STENT SYSTEM $308	Photrexa $152
Other	$2,640 DURYSTA $307	XIIDRA $275	CEQUA $242	IOLMaster 700 $199	Bromsite $169	Other $1,448

**Types of Payments**
Food and Beverage	$5,665
Education	$7

Biography

Dr. John Chang, who practices in Pearl River, NY, is a medical specialist in ophthalmology (eye disease). Dr. Chang is a graduate of UMDNJ-Robert Wood Johnson Medical School.

Select Year:

Dr. John Chu-Hong Chang, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Chu-Hong Chang, MD in 2023

By Volume:

By Volume:

By Affordability:

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 Chu-Hong Chang, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Chu-Hong Chang, 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 Chu-Hong Chang, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography