In 2023, Dr. Peter Youk-Twoo Chang, MD had a list price for diagnostic fecal occult blood test (FOBT), diagnostic stool guaiac test (gFOBT), and stool tests that was lower than the list prices billed to Medicare by 95% of providers in related specialties within New York. 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.

Top 10%

By Volume:

preventive care

By Affordability:

fecal occult blood test

lab tests

stool guaiac test

In 2023, among providers in related specialties within New York, Dr. Peter Youk-Twoo Chang, MD performed more preventive care procedures for Medicare patients than 90% of them and he also had a list price for fecal occult blood test (FOBT), lab tests, and stool guaiac test (gFOBT) that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

flu shot

By Affordability:

hospital care

immunization

inpatient care

inpatient hospital care

vaccines

In 2012, among providers in related specialties within New York, Dr. Peter Youk-Twoo Chang, MD performed more flu shot procedures for Medicare patients than 75% of them and he also had a list price for hospital care, immunization (preventive vaccines), inpatient care, inpatient hospital care (for patient admitted to hospital), and vaccines 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. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	166
doctor visit	1172
gastrointestinal procedures	262
hospital care	624
inpatient care	624
lab tests	27
minimally invasive procedures	262
preventive care	178
removal of lesion (e.g. growth)	166
vaccines	82

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	158
doctor visit	1150
gastrointestinal procedures	223
hospital care	559
inpatient care	559
lab tests	52
minimally invasive procedures	223
preventive care	138
removal of lesion (e.g. growth)	158
vaccines	73

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	244
Female	355

**Ethnicity**
Non-Hispanic White	377
Black	85
Hispanic	73
Asian	46
Other	18
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	183
85 and over	95
Less than 65	76

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2013

Hypertension	75
High Cholesterol	74
Stroke	10
Ischemic Heart Disease	46
Depression	19
Chronic Kidney Disease	26
Asthma	18
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	50
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	140
doctor visit	1109
gastrointestinal procedures	207
hospital care	380
inpatient care	380
lab tests	54
minimally invasive procedures	207
preventive care	152
removal of lesion (e.g. growth)	140
vaccines	85

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	229
Female	326

**Ethnicity**
Non-Hispanic White	356
Black	66
Hispanic	67
Asian	49
Other	17
Native American	0

**Age**
From 65 to 74	209
From 75 to 84	187
85 and over	84
Less than 65	75

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	43
Depression	19
Chronic Kidney Disease	28
Asthma	18
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	24
Diabetes	48
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	131
doctor visit	1053
gastrointestinal procedures	193
hospital care	375
inpatient care	375
lab tests	57
minimally invasive procedures	193
preventive care	128
removal of lesion (e.g. growth)	131
vaccines	66

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	432
Female	604

**Ethnicity**
Non-Hispanic White	656
Black	110
Hispanic	144
Asian	94
Other	32
Native American	0

**Age**
From 65 to 74	398
From 75 to 84	358
85 and over	156
Less than 65	124

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	44
Depression	21
Chronic Kidney Disease	32
Asthma	23
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	143
doctor visit	1154
gastrointestinal procedures	205
hospital care	397
inpatient care	397
lab tests	74
minimally invasive procedures	205
preventive care	148
removal of lesion (e.g. growth)	143
vaccines	86

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	224
Female	292

**Ethnicity**
Non-Hispanic White	318
Black	65
Hispanic	52
Asian	54
Other	27
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	165
85 and over	64
Less than 65	53

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2016

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	38
Depression	20
Chronic Kidney Disease	34
Asthma	27
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	24
Diabetes	48
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	166
doctor visit	1310
gastrointestinal procedures	225
hospital care	340
inpatient care	340
lab tests	79
minimally invasive procedures	225
preventive care	125
removal of lesion (e.g. growth)	166
vaccines	66

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	237
Female	307

**Ethnicity**
Non-Hispanic White	343
Black	74
Hispanic	53
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	170
85 and over	80
Less than 65	49

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2017

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	39
Asthma	12
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	22
Diabetes	50
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	141
doctor visit	1261
gastrointestinal procedures	198
hospital care	439
inpatient care	439
lab tests	47
minimally invasive procedures	198
preventive care	122
removal of lesion (e.g. growth)	141
vaccines	65

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	235
Female	323

**Ethnicity**
Non-Hispanic White	337
Black	77
Hispanic	67
Asian	52
Other	25
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	186
85 and over	87
Less than 65	54

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	11
Ischemic Heart Disease	39
Depression	22
Chronic Kidney Disease	42
Asthma	13
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	49
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	140
doctor visit	1261
gastrointestinal procedures	222
hospital care	393
inpatient care	393
lab tests	41
minimally invasive procedures	222
preventive care	157
removal of lesion (e.g. growth)	140
vaccines	86

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	242
Female	340

**Ethnicity**
Non-Hispanic White	356
Black	77
Hispanic	62
Asian	57
Other	30
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	187
85 and over	88
Less than 65	53

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2019

Hypertension	75
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	42
Asthma	11
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	22
Diabetes	48
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2020 were hospital care, inpatient care, preventive care and minimally invasive procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	63
doctor visit	896
gastrointestinal procedures	88
hospital care	257
inpatient care	257
lab tests	29
minimally invasive procedures	88
preventive care	111
removal of lesion (e.g. growth)	63
vaccines	86

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	188
Female	284

**Ethnicity**
Non-Hispanic White	281
Black	66
Hispanic	47
Asian	55
Other	23
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	161
85 and over	73
Less than 65	31

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2020

Hypertension	74
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	46
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	109
doctor visit	1041
gastrointestinal procedures	176
hospital care	191
inpatient care	191
lab tests	23
minimally invasive procedures	176
preventive care	147
removal of lesion (e.g. growth)	109
vaccines	80

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	206
Female	290

**Ethnicity**
Non-Hispanic White	293
Black	64
Hispanic	54
Asian	60
Other	25
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	170
85 and over	62
Less than 65	33

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	49
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY during 2022 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

diagnostic procedures	89
doctor visit	1014
gastrointestinal procedures	170
hospital care	194
inpatient care	194
lab tests	26
minimally invasive procedures	170
preventive care	148
removal of lesion (e.g. growth)	89
vaccines	67

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	206
Female	327

**Ethnicity**
Non-Hispanic White	311
Black	74
Hispanic	63
Asian	57
Other	28
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	180
85 and over	81
Less than 65	48

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	19
Asthma	19
Osteoperosis	15
Atrial Fibrilation	19
Heart Failure	16
Chronic Obstructive Pulmonary Disease	24
Diabetes	48
Dementia	8
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Peter Youk-Twoo Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter Youk-Twoo Chang, MD treated as a gastroenterologist in Nanuet, NY were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

diagnostic procedures	131
doctor visit	1129
gastrointestinal procedures	197
hospital care	377
inpatient care	377
lab tests	46
minimally invasive procedures	197
preventive care	141
removal of lesion (e.g. growth)	131
vaccines	76

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD.

**Gender**
Male	222
Female	313

**Ethnicity**
Black / African American	68
Asian / Pacific Islander	51
Non-Hispanic White	329
Native American / Alaskan Native	0
Hispanic	62
Other	20

**Age**
75 to 84	177
85 and over	79
Less than 65	54
65 to 74	225

Average of Total of Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	30
Asthma	14
Osteoporosis	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	43
Atrial Fibrillation	12
Dementia	15
Cancer	13

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

Dr. Peter Youk-Twoo Chang, MD has a high overall rating with an average of 3.67 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Peter Youk-Twoo Chang, MD from all over the web to help you find the right in Nanuet, NY.

3.67

Overall Rating

(3 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Peter Youk-Twoo Chang, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie, Inc.	$30,279 Humira $30,051	$229
Takeda Pharmaceuticals America, Inc.	$490 ENTYVIO $280	Dexilant $210
Alcon Laboratories Inc	$297 CataractEquipment $125	EXPRESS $30	Simbrinza $23	$119
Alcon Vision LLC	$279 CLAREON $148	Rocklatan $92	AcrySof IQ VIVITY $24	AcrySof UltraSert $15
Novartis Pharmaceuticals Corporation	$135 XIIDRA $59	Travatan Z $21	Durezol $18	$37
Other	$231 OLYSIO $85	STELARA $44	SIMPONI $23	Humira $22	LINZESS $20	Other $36

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$25,875
Food and Beverage	$2,946
Travel and Lodging	$2,806
Education	$85

Biography

Dr. Peter Chang specializes in adult gastroenterology. Dr. Chang attended medical school at New York Medical College. He has received a 3.5 out of 5 star rating by his patients.

Select Year:

Dr. Peter Youk-Twoo Chang, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Peter Youk-Twoo Chang, MD in 2023

By Affordability:

By Volume:

By Affordability:

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. Peter Youk-Twoo Chang, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo Chang, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Peter Youk-Twoo 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. Peter Youk-Twoo Chang, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Nanuet, NY