Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > OR Providers > Internists & Internal Medicine Doctors

Dr. Jefferson Tiu Loa, MD

(No ratings)

Specializes in: Internal Medicine (Adult Medicine), Hospice and Palliative Medicine (End-of-Life Care and Serious Illness) and Hospital Medicine (Hospitalist)

University of Santo Tomas Faculty of Medicine and Surgery

5400 Macarthur Boulevard
Vancouver, WA 98661

(360) 696-5100

Dr. Jefferson Tiu Loa, MD is an internist in CORVALLIS, OR specializing in internal medicine (adult medicine), hospice and palliative medicine (end-of-life care and serious illness) and hospital medicine (hospitalist). He graduated from University of Santo Tomas Faculty of Medicine and Surgery. Dr. Jefferson Tiu Loa, MD is affiliated with PeaceHealth and Samaritan Health System.

Office Locations

3600 NW SAMARITAN DRIVE
CORVALLIS, OR 97330

open_in_new

5400 Macarthur Boulevard
Vancouver, WA 98661

(360) 696-5100

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Jefferson Tiu Loa, MD in 2024

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

Top 5%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2024, Dr. Jefferson Tiu Loa, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% 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

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2012 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	599
inpatient care	548
outpatient care	29

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	1374
inpatient care	1116
outpatient care	190

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	220
Female	401

**Ethnicity**
Non-Hispanic White	288
Black	298
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	176
85 and over	119
Less than 65	149

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2013

Hypertension	75
High Cholesterol	74
Stroke	18
Ischemic Heart Disease	66
Depression	33
Chronic Kidney Disease	55
Asthma	21
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	53
Chronic Obstructive Pulmonary Disease	34
Diabetes	54
Dementia	30
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	1217
inpatient care	1009
outpatient care	182

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	266
Female	352

**Ethnicity**
Non-Hispanic White	410
Black	189
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	177
85 and over	124
Less than 65	146

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	19
Ischemic Heart Disease	63
Depression	39
Chronic Kidney Disease	61
Asthma	20
Osteoperosis	13
Atrial Fibrilation	28
Heart Failure	50
Chronic Obstructive Pulmonary Disease	40
Diabetes	50
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2015 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	780
inpatient care	697
outpatient care	83

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	510
Female	604

**Ethnicity**
Non-Hispanic White	1072
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	324
From 75 to 84	306
85 and over	236
Less than 65	248

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2015

Hypertension	75
High Cholesterol	70
Stroke	16
Ischemic Heart Disease	58
Depression	51
Chronic Kidney Disease	59
Asthma	30
Osteoperosis	15
Atrial Fibrilation	25
Heart Failure	42
Chronic Obstructive Pulmonary Disease	42
Diabetes	43
Dementia	31
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2016 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	859
inpatient care	756
outpatient care	103

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	215
Female	245

**Ethnicity**
Non-Hispanic White	430
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	116
85 and over	93
Less than 65	105

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2016

Hypertension	75
High Cholesterol	56
Stroke	13
Ischemic Heart Disease	58
Depression	43
Chronic Kidney Disease	66
Asthma	42
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	50
Chronic Obstructive Pulmonary Disease	41
Diabetes	45
Dementia	28
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	321
inpatient care	321

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	87
Female	93

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	54
85 and over	43
Less than 65	32

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2017

Hypertension	75
High Cholesterol	44
Stroke	9
Ischemic Heart Disease	59
Depression	43
Chronic Kidney Disease	68
Asthma	13
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	59
Chronic Obstructive Pulmonary Disease	42
Diabetes	50
Dementia	31
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	129
inpatient care	129

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	59
Female	59

**Ethnicity**
Non-Hispanic White	107
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	35
85 and over	23
Less than 65	30

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2018

Hypertension	75
High Cholesterol	55
Stroke	12
Ischemic Heart Disease	54
Depression	40
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	58
Chronic Obstructive Pulmonary Disease	37
Diabetes	47
Dementia	36
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	91
inpatient care	91

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	48
Female	45

**Ethnicity**
Non-Hispanic White	82
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	26
85 and over	19
Less than 65	18

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2019

Hypertension	75
High Cholesterol	52
Stroke	14
Ischemic Heart Disease	48
Depression	49
Chronic Kidney Disease	72
Asthma	14
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	39
Chronic Obstructive Pulmonary Disease	37
Diabetes	40
Dementia	31
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2020 were nursing home care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

nursing home care	31

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	20
Female	18

**Age**
From 65 to 74	0
From 75 to 84	13
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	50
Depression	47
Chronic Kidney Disease	66
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	50
Chronic Obstructive Pulmonary Disease	37
Diabetes	47
Dementia	50
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	186
inpatient care	186

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	61
Female	61

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	29
85 and over	17
Less than 65	30

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2021

Hypertension	75
High Cholesterol	54
Stroke	11
Ischemic Heart Disease	54
Depression	43
Chronic Kidney Disease	72
Asthma	16
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	52
Chronic Obstructive Pulmonary Disease	34
Diabetes	52
Dementia	31
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2022 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	254
inpatient care	243
outpatient care	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	58
Female	62

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	31
From 75 to 84	47
85 and over	23
Less than 65	19

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	19
Ischemic Heart Disease	38
Depression	37
Chronic Kidney Disease	43
Asthma	13
Osteoperosis	18
Atrial Fibrilation	43
Heart Failure	45
Chronic Obstructive Pulmonary Disease	32
Diabetes	44
Dementia	32
Cancer	26

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	160
inpatient care	160

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	25
Female	38

**Age**
From 65 to 74	0
From 75 to 84	21
85 and over	19
Less than 65	0

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2023

Hypertension	75
High Cholesterol	67
Stroke	22
Ischemic Heart Disease	41
Depression	43
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	24
Atrial Fibrilation	43
Heart Failure	54
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	19
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

hospital care	39
inpatient care	39

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	15
Female	19

**Age**
From 65 to 74	0
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD in 2024

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	38
Depression	47
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	41
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Jefferson Tiu Loa, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jefferson Tiu Loa, MD treated as an internist in CORVALLIS, OR were hospital care, inpatient care, outpatient care and nursing home care.

hospital care	500
inpatient care	441
nursing home care	31
outpatient care	99

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Jefferson Tiu Loa, MD.

**Gender**
Male	121
Female	153

**Ethnicity**
Black / African American	37
Asian / Pacific Islander	0
Non-Hispanic White	212
Hispanic	2
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	77
85 and over	55
Less than 65	59
65 to 74	77

Average of Total of Conditions of Medicare patients treated by Dr. Jefferson Tiu Loa, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Jefferson Tiu Loa, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	69
High Cholesterol	57
Stroke	11
Ischemic Heart Disease	48
Depression	39
Chronic Kidney Disease	55
Asthma	14
Osteoporosis	9
Heart Failure	45
Chronic Obstructive Pulmonary Disease	30
Diabetes	42
Atrial Fibrillation	21
Cancer	13
Dementia	26

Education & Training

Dr. Jefferson Tiu Loa, MD graduated from University of Santo Tomas Faculty of Medicine and Surgery. He completed residency at AMITA Health Saint Joseph Hospital. He is certified by the Board Certification: Internal Medicine and has a state license in Illinois.

Medical School: University of Santo Tomas Faculty of Medicine and Surgery

Residency: AMITA Health Saint Joseph Hospital

Board Certification: Board Certification: Internal Medicine

Licensed In: Illinois

Ratings & Reviews

Dr. Jefferson Tiu Loa, MD does not have any reviews yet, be the first to leave a review of Dr. Jefferson Tiu Loa, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Merck Sharp & Dohme Corporation	$239 ZINPLAVA $118	ZETIA $69	DULERA $30	NON-PRODUCT $14	PNEUMOVAX 23 $7
Otsuka America Pharmaceutical, Inc.	$113 SAMSCA $113
KCI USA, Inc	$65 Advanced Wound Dressings $65
Salix Pharmaceuticals, Ltd	$59 Relistor $59
DFINE, Inc	$26 Star $26
Other	$17 TEFLARO $17

**Types of Payments**
Food and Beverage	$436
Education	$84

Biography

Dr. Jefferson Loa practices hospice and palliative medicine (end-of-life care and serious illness) and hospital medicine (hospitalist). His professional affiliations include Samaritan Health System and PeaceHealth. He studied medicine at the University of Santo Tomas Faculty of Medicine and Surgery. Unfortunately, according to Samaritan Health Services, Dr. Loa is not currently accepting new patients.