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Dr. Sophia S. Chang, MD

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Specializes in: Adult Rheumatology

516 W Margaret Street Suite #6
Pasco, WA 99301

(509) 547-6086

Dr. Sophia S. Chang, MD is a rheumatologist in Pasco, WA specializing in adult rheumatology.

Office Locations

516 W Margaret Street Suite #6
Pasco, WA 99301

(509) 547-6086

(509) 547-0649

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Noteworthy Medicare Patient Procedures Performed by Dr. Sophia S. Chang, MD in 2023

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

Top 5%

By Affordability:

intravenous infusion

In 2023, Dr. Sophia S. Chang, MD had a list price for intravenous (IV) infusion that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Washington. 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. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2012 were chemotherapy, biological response modifier (BRM) therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	176
chemotherapy	176
doctor visit	718
minimally invasive procedures	176

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2013 were minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	200
chemotherapy	200
doctor visit	721
minimally invasive procedures	243

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	27
Female	128

**Ethnicity**
Non-Hispanic White	138
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	32
85 and over	18
Less than 65	26

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2013

Hypertension	56
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	16
Depression	15
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	30
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2014 were minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

biological response modifier (BRM) therapy	64
chemotherapy	64
doctor visit	735
minimally invasive procedures	242

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	30
Female	124

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	38
85 and over	18
Less than 65	23

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2014

Hypertension	57
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	18
Depression	14
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	31
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2015 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	783
minimally invasive procedures	215

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	66
Female	262

**Ethnicity**
Non-Hispanic White	292
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	82
85 and over	32
Less than 65	48

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2015

Hypertension	58
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	14
Depression	20
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	29
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2016 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	833
minimally invasive procedures	240

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	36
Female	131

**Ethnicity**
Non-Hispanic White	145
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	41
85 and over	15
Less than 65	17

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2016

Hypertension	54
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	13
Depression	19
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	29
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2017 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	784
minimally invasive procedures	185

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	36
Female	131

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	43
85 and over	13
Less than 65	21

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2017

Hypertension	59
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	16
Depression	22
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	28
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2018 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	708
minimally invasive procedures	169

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	33
Female	118

**Ethnicity**
Non-Hispanic White	131
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	46
85 and over	12
Less than 65	18

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2018

Hypertension	56
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	50
Asthma	13
Osteoperosis	34
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2019 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	684
minimally invasive procedures	198

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	36
Female	107

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

**Age**
From 65 to 74	77
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2019

Hypertension	59
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	54
Asthma	9
Osteoperosis	25
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	8
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2020 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	577
minimally invasive procedures	157

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	37
Female	102

**Ethnicity**
Non-Hispanic White	119
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2020

Hypertension	58
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	19
Depression	19
Chronic Kidney Disease	55
Asthma	0
Osteoperosis	25
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2021 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	527
minimally invasive procedures	129

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	31
Female	90

**Ethnicity**
Non-Hispanic White	106
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2021

Hypertension	61
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	16
Depression	23
Chronic Kidney Disease	60
Asthma	16
Osteoperosis	23
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	19
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA during 2022 were minimally invasive procedures.

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

doctor visit	532
minimally invasive procedures	132

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	30
Female	84

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2022

Hypertension	71
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	14
Depression	21
Chronic Kidney Disease	52
Asthma	17
Osteoperosis	33
Atrial Fibrilation	11
Heart Failure	0
Chronic Obstructive Pulmonary Disease	18
Diabetes	19
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Sophia S. Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sophia S. Chang, MD treated as a rheumatologist in Pasco, WA were minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

biological response modifier (BRM) therapy	146
chemotherapy	146
doctor visit	691
minimally invasive procedures	189

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Sophia S. Chang, MD.

**Gender**
Male	32
Female	116

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	129
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	42
85 and over	9
Less than 65	13
65 to 74	76

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

The highest averages of the most common conditions of Medicare patients that Dr. Sophia S. Chang, MD treated were hypertension, high cholesterol, chronic kidney disease and osteoperosis.

Hypertension	53
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	15
Depression	18
Chronic Kidney Disease	39
Asthma	10
Osteoporosis	26
Heart Failure	8
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Atrial Fibrillation	1
Cancer	5
Dementia	4

Education & Training

She has a state license in Washington.

Licensed In: Washington

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pfizer Inc.	$640 XELJANZ $413	INFLECTRA $204	LYRICA $12	CELEBREX $11
Genentech USA, Inc.	$598 Actemra $395	$203
Novartis Pharmaceuticals Corporation	$211 COSENTYX $88	$123
Lilly USA, LLC	$143 TALTZ $57	FORTEO $56	OLUMIANT $31
Janssen Biotech, Inc.	$141 STELARA $90	REMICADE $30	SIMPONI $21
Other	$950 STELARA $125	ORENCIA $121	BENLYSTA $112	ACTHAR $96	Rinvoq $92	Other $404

**Types of Payments**
Food and Beverage	$2,621
Education	$61

Biography

Dr. Sophia Chang is a Pasco, WA physician who specializes in adult rheumatology. Dr. Chang obtained a license to practice in Washington.

Select Year:

Dr. Sophia S. Chang, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Sophia S. Chang, MD in 2023

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. Sophia S. Chang, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. Chang, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sophia S. 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. Sophia S. Chang, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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