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Dr. Paul Andrew Chang, MD

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Specializes in: Internal Medicine (Adult Medicine) and General Pediatrics

2558 W 4th Street
Ontario, OH 44906

(419) 529-4100

Dr. Paul Andrew Chang, MD is an internist in Ontario, OH specializing in internal medicine (adult medicine) and general pediatrics.

Office Locations

2558 W 4th Street
Ontario, OH 44906

(419) 529-4100

(419) 529-8700

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	587
hospital care	276
inpatient care	264
outpatient care	12
preventive care	34
vaccines	34

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2013 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	555
preventive care	29
vaccines	29

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	49
Female	88

**Age**
From 65 to 74	64
From 75 to 84	42
85 and over	16
Less than 65	15

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2014 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	501
preventive care	28
vaccines	28

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	40
Female	85

**Age**
From 65 to 74	59
From 75 to 84	37
85 and over	18
Less than 65	11

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2014

Hypertension	74
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	18
Depression	14
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	554
preventive care	35
vaccines	35

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	86
Female	160

**Age**
From 65 to 74	106
From 75 to 84	76
85 and over	34
Less than 65	30

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2015

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	16
Depression	15
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	37
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2016 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	519
preventive care	27
vaccines	27

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	45
Female	82

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	37
85 and over	17
Less than 65	16

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2016

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	20
Depression	14
Chronic Kidney Disease	39
Asthma	17
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2017 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	635
preventive care	40
vaccines	40

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	51
Female	88

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

**Age**
From 65 to 74	67
From 75 to 84	39
85 and over	19
Less than 65	14

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	19
Depression	22
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2018 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	545
preventive care	35
vaccines	35

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	50
Female	80

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

**Age**
From 65 to 74	57
From 75 to 84	45
85 and over	15
Less than 65	13

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2018

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	16
Depression	16
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2019 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	477
preventive care	33
vaccines	33

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	45
Female	72

**Ethnicity**
Non-Hispanic White	105
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	39
85 and over	12
Less than 65	12

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2019

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	16
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	314
preventive care	27
vaccines	27

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	40
Female	60

**Age**
From 65 to 74	48
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2020

Hypertension	74
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	14
Depression	15
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2021 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	435
preventive care	20
vaccines	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	44
Female	56

**Age**
From 65 to 74	48
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2021

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	18
Depression	19
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH during 2022 were preventive care and vaccines.

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	392
preventive care	12
vaccines	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	40
Female	51

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	14
Depression	15
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

doctor visit	345

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	39
Female	43

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD in 2023

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	16
Depression	16
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Paul Andrew Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Paul Andrew Chang, MD treated as an internist in Ontario, OH were hospital care, inpatient care, preventive care and vaccines.

doctor visit	488
hospital care	276
inpatient care	264
outpatient care	12
preventive care	29
vaccines	29

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Paul Andrew Chang, MD.

**Gender**
Male	44
Female	72

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	50
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	37
85 and over	10
Less than 65	9
65 to 74	53

Average of Total of Conditions of Medicare patients treated by Dr. Paul Andrew Chang, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	16
Depression	15
Chronic Kidney Disease	28
Asthma	3
Osteoporosis	0
Heart Failure	3
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Atrial Fibrillation	1
Cancer	0
Dementia	3

Education & Training

He has a state license in Ohio.

Licensed In: Ohio

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$322 XARELTO $283	INVOKANA $39
Allergan Inc.	$317 VIBERZI $123	NAMZARIC $79	VIIBRYD $33	LINZESS $33	NAMENDA XR $29	Other $20
Pfizer Inc.	$169 LYRICA $90	FLECTOR PATCH $27	PREVNAR 13 $20	EMBEDA $18	PREVNAR - 13 $14
Novo Nordisk Inc	$107 NovoLog $61	Saxenda $46
EISAI INC.	$86 Belviq $86
Other	$259 ELIQUIS $53	TEFLARO $48	FLUZONE QIV $39	PROCLAIM $25	JANUMET XR $21	Other $73