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Dr. Louis I. Peng, MD

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Specializes in: Internal Medicine (Adult Medicine)

Tufts University School of Medicine

105 Arney Road SUITE 130
Woodburn, OR 97071

(503) 902-3900

Dr. Louis I. Peng, MD is an internist in Woodburn, OR specializing in internal medicine (adult medicine). He graduated from Tufts University School of Medicine. Dr. Louis I. Peng, MD is affiliated with Salem Health.

Office Locations

105 Arney Road SUITE 130
Woodburn, OR 97071

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135 Ne 102nd Avenue
Portland, OR 97220

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Sw Grahams Ferry Road
Wilsonville, OR 97070

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Noteworthy Medicare Patient Procedures Performed by Dr. Louis I. Peng, MD in 2024

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

Top 25%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2012, Dr. Louis I. Peng, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Oregon. 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

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

doctor visit	84

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR during 2013 were lab tests and blood draw.

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

blood draw	20
doctor visit	178
lab tests	29

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	50
Female	155

**Ethnicity**
Non-Hispanic White	178
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	46
85 and over	32
Less than 65	42

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2013

Hypertension	51
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	23
Depression	26
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR during 2014 were lab tests and blood draw.

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

blood draw	21
doctor visit	147
lab tests	54

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	64
Female	111

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	36
85 and over	20
Less than 65	45

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2014

Hypertension	52
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	21
Depression	23
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR during 2015 were lab tests and blood draw.

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

blood draw	25
doctor visit	164
lab tests	39

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	136
Female	242

**Ethnicity**
Non-Hispanic White	314
Black	0
Hispanic	0
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	92
85 and over	56
Less than 65	86

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2015

Hypertension	53
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	21
Depression	26
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	7
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR during 2018 were lab tests.

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

doctor visit	57
lab tests	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	22
Female	53

**Age**
From 65 to 74	34
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2018

Hypertension	53
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	17
Depression	23
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR during 2019 were lab tests.

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

doctor visit	62
lab tests	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	25
Female	63

**Age**
From 65 to 74	37
From 75 to 84	23
85 and over	16
Less than 65	12

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2019

Hypertension	59
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	19
Depression	22
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

doctor visit	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Age**
From 65 to 74	12
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2020

Hypertension	52
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

doctor visit	28

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	11
Female	20

**Age**
From 65 to 74	16
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2022

Hypertension	65
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

doctor visit	21

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	12
Female	13

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2023

Hypertension	64
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR during 2024 were blood draw.

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

blood draw	20
doctor visit	23

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Male	11
Female	20

**Age**
From 65 to 74	12
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Louis I. Peng, MD in 2024

Hypertension	71
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Louis I. Peng, MD for Medicare patients.

The highest averages for the top procedures that Dr. Louis I. Peng, MD treated as an internist in Woodburn, OR were lab tests and blood draw.

blood draw	21
doctor visit	77
lab tests	29

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Louis I. Peng, MD.

**Gender**
Female	61
Male	30

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	2
Non-Hispanic White	59
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	11
75 to 84	20
Less than 65	16
65 to 74	37

Average of Total of Conditions of Medicare patients treated by Dr. Louis I. Peng, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Louis I. Peng, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	47
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	9
Depression	10
Chronic Kidney Disease	8
Asthma	3
Osteoporosis	1
Heart Failure	4
Chronic Obstructive Pulmonary Disease	3
Diabetes	9
Atrial Fibrillation	2
Dementia	2
Cancer	3

Education & Training

Dr. Louis I. Peng, MD graduated from Tufts University School of Medicine. He completed residency at Oregon Health & Science University Affiliated Hospitals. He is certified by the American Board of Internal Medicine and has a state license in Oregon.

Medical School: Tufts University School of Medicine

Residency: Oregon Health & Science University Affiliated Hospitals

Board Certification: American Board of Internal Medicine

Licensed In: Oregon

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General Payments

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

**Payments by Company**
Reckitt Benckiser Pharmaceuticals Inc.	$50 SUBOXONE SUBLINGUAL FILM $50
Gilead Sciences Inc	$48 Harvoni $48
Purdue Pharma L.P.	$14 OXYCONTIN $14
Teva Pharmaceuticals USA, Inc.	$12 NUVIGIL $12

**Types of Payments**
Food and Beverage	$98
Education	$27

Biography

Dr Louis Peng (he/him) is a graduate of the Tufts University School of Medicine and completed both his internship and residency training with Oregon Health Sciences University. His practice centers on developing relationships with patients based on trust and open communication, and working within this partnership to create personalized treatment plans to meet each patient?s unique needs and goals. With over 25 years of experience, he has forged a firm belief in integrity and moral ethics as the foundation of his profession. Away from his work, he enjoys gardening, searching for used car deals and tinkering with old cars.