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Dr. I-Wen Chang, MD

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Specializes in: Adult Oncology and Adult Hematology

3855 Pleasant Hill Road
Duluth, GA 30096

(770) 623-6433

Dr. I-Wen Chang, MD is an oncologist in Duluth, GA specializing in adult oncology and adult hematology. Dr. I-Wen Chang, MD is affiliated with Piedmont Healthcare.

Office Locations

Piedmont Healthcare

3855 Pleasant Hill Road
Duluth, GA 30096

(770) 623-6433

(770) 623-6416

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631 Professional Drive Suite 450
Lawrenceville, GA 30046

(770) 963-8030

(770) 339-9577

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2012 were lab tests, minimally invasive procedures, blood draw and chemotherapy.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	883
blood draw	920
bone marrow tests	30
chemotherapy	883
diagnostic procedures	30
doctor visit	2471
hormone therapy	72
hospital care	696
inpatient care	653
lab tests	4983
minimally invasive procedures	1025
outpatient care	43
port flush	51
preventive care	164
vaccines	164

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2013 were lab tests, blood draw, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	750
blood draw	1217
bone marrow tests	21
chemotherapy	750
diagnostic procedures	21
doctor visit	2511
hormone therapy	43
hospital care	787
inpatient care	750
lab tests	5119
minimally invasive procedures	932
outpatient care	37
port flush	46
preventive care	168
vaccines	168

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	518
Female	913

**Ethnicity**
Non-Hispanic White	957
Black	448
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	565
From 75 to 84	476
85 and over	165
Less than 65	225

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2013

Hypertension	75
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	51
Asthma	7
Osteoperosis	21
Atrial Fibrilation	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	9
Cancer	42

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2014 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	738
blood draw	925
bone marrow tests	23
chemotherapy	738
diagnostic procedures	23
doctor visit	2107
hormone therapy	29
hospital care	700
inpatient care	668
lab tests	3942
minimally invasive procedures	739
outpatient care	32
port flush	37
preventive care	166
vaccines	166

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	489
Female	815

**Ethnicity**
Non-Hispanic White	900
Black	379
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	504
From 75 to 84	425
85 and over	159
Less than 65	216

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2014

Hypertension	73
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	48
Asthma	7
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	11
Cancer	42

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2015 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	767
blood draw	1026
bone marrow tests	19
chemotherapy	767
diagnostic procedures	19
doctor visit	2213
hormone therapy	28
hospital care	556
inpatient care	556
lab tests	4511
minimally invasive procedures	907
port flush	30
preventive care	146
vaccines	146

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	1068
Female	1726

**Ethnicity**
Non-Hispanic White	1946
Black	790
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1034
From 75 to 84	968
85 and over	332
Less than 65	460

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2015

Hypertension	74
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	47
Asthma	15
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	12
Cancer	42

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2016 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	636
blood draw	1097
bone marrow tests	16
chemotherapy	636
diagnostic procedures	16
doctor visit	2140
hospital care	590
inpatient care	542
lab tests	4612
minimally invasive procedures	814
outpatient care	48
port flush	41
preventive care	143
vaccines	143

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	516
Female	855

**Ethnicity**
Non-Hispanic White	974
Black	373
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	535
From 75 to 84	479
85 and over	167
Less than 65	190

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2016

Hypertension	75
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	50
Asthma	26
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	23
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	12
Cancer	42

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	642
blood draw	1170
chemotherapy	642
doctor visit	2083
hormone therapy	72
hospital care	565
inpatient care	565
lab tests	4676
minimally invasive procedures	863
port flush	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	488
Female	839

**Ethnicity**
Non-Hispanic White	895
Black	407
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	555
From 75 to 84	435
85 and over	158
Less than 65	179

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2017

Hypertension	75
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	24
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	12
Cancer	41

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

doctor visit	423
hospital care	116
inpatient care	116

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	90
Female	108

**Ethnicity**
Non-Hispanic White	125
Black	32
Hispanic	0
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	60
85 and over	32
Less than 65	22

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2018

Hypertension	75
High Cholesterol	63
Stroke	8
Ischemic Heart Disease	48
Depression	25
Chronic Kidney Disease	53
Asthma	8
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	42
Dementia	19
Cancer	27

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

doctor visit	555
hospital care	59
inpatient care	59

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	86
Female	108

**Ethnicity**
Non-Hispanic White	123
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	65
85 and over	28
Less than 65	24

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	46
Depression	26
Chronic Kidney Disease	45
Asthma	14
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	18
Cancer	32

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

doctor visit	519
hospital care	62
inpatient care	62

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	72
Female	93

**Ethnicity**
Non-Hispanic White	100
Black	23
Hispanic	0
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	50
85 and over	25
Less than 65	18

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2020

Hypertension	69
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	46
Depression	24
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	16
Cancer	36

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

doctor visit	614
hospital care	51
inpatient care	51

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	101
Female	127

**Ethnicity**
Non-Hispanic White	130
Black	30
Hispanic	0
Asian	47
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	67
85 and over	32
Less than 65	25

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2021

Hypertension	73
High Cholesterol	66
Stroke	11
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	44
Dementia	18
Cancer	41

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

doctor visit	631
hospital care	56
inpatient care	56

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	102
Female	115

**Ethnicity**
Non-Hispanic White	121
Black	26
Hispanic	0
Asian	55
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	66
85 and over	39
Less than 65	24

Conditions of Medicare patients treated by Dr. I-Wen Chang, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	15
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	20
Atrial Fibrilation	22
Heart Failure	17
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	10
Cancer	48

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. I-Wen Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. I-Wen Chang, MD treated as an oncologist in Duluth, GA were lab tests, blood draw, minimally invasive procedures and chemotherapy.

biological response modifier (BRM) therapy	736
blood draw	1059
bone marrow tests	21
chemotherapy	736
diagnostic procedures	21
doctor visit	1478
hormone therapy	48
hospital care	385
inpatient care	370
lab tests	4640
minimally invasive procedures	880
outpatient care	40
preventive care	157
vaccines	157

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. I-Wen Chang, MD.

**Gender**
Male	320
Female	518

**Ethnicity**
Black / African American	230
Asian / Pacific Islander	14
Non-Hispanic White	570
Native American / Alaskan Native	0
Hispanic	0
Other	2

**Age**
75 to 84	281
85 and over	103
Less than 65	125
65 to 74	328

Average of Total of Conditions of Medicare patients treated by Dr. I-Wen Chang, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. I-Wen Chang, MD treated were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	67
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	43
Asthma	9
Osteoporosis	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Atrial Fibrillation	10
Dementia	12
Cancer	35

Education & Training

She is certified by the American Board of Internal Medicine - Hematology American Board of Internal Medicine - Medical Oncology and has a state license in Georgia.

Board Certification: American Board of Internal Medicine - Hematology American Board of Internal Medicine - Medical Oncology

Licensed In: Georgia

Affiliations & Hospitals

Dr. I-Wen Chang, MD is associated with these hospitals and organizations:

Piedmont Healthcare

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General Payments

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

**Payments by Company**
Seagen Inc.	$434 ADCETRIS $283	TIVDAK $74	PADCEV $46	TUKYSA $31
Janssen Biotech, Inc.	$396 RYBREVANT $137	ZYTIGA $82	DARZALEX $77	IMBRUVICA $39	$61
Amgen Inc.	$355 Aimovig $195	LUMAKRAS $85	Kyprolis $36	Nexavar $14	XGEVA $13	Other $11
Exelixis Inc.	$313 Cabometyx $113	$200
AstraZeneca Pharmaceuticals LP	$254 LYNPARZA $182	Enhertu $39	IMFINZI $14	$19
Other	$3,556 KEYTRUDA $211	ZEPZELCA $173	THERASPHERE - BIO $153	Enhertu $143	IMBRUVICA $139	Other $2,738

**Types of Payments**
Food and Beverage	$4,978
Education	$329

Research Payments

Dr. I-Wen Chang, MD has received 10 research payments totaling $108,590.

Biography

Dr. I-Wen Chang's medical specialty is adult hematology and adult oncology. She is affiliated with Piedmont Healthcare. Piedmont Healthcare reports that Dr. Chang is accepting new patients at her office in Duluth, GA.