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Dr. Otto Orlean Yang, MD

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Specializes in: Adult Infectious Disease

Brown University, Alpert Medical School (1990)

Professional interests include: HIV/AIDS

200 Medical Plaza Suite 365
Los Angeles, CA 90095

(310) 794-9491

Dr. Otto Orlean Yang, MD is an adult infectious disease specialist in Los Angeles, CA specializing in adult infectious disease. He graduated from Brown University, Alpert Medical School in 1990 and has 36 years of experience. Dr. Otto Orlean Yang, MD is affiliated with UCLA Health and UCLA Santa Monica Medical Center.

Office Locations

UCLA Santa Monica Medical Center

200 Medical Plaza Suite 365
Los Angeles, CA 90095

(310) 206-1609

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In The News (see more mentions in the news)

“But the most distinctive signs, like yellowing of the skin or eyes, bloated bellies and bouts of confusion, often only appear when the disease has advanced, said Dr. Otto Yang, an infectious...”—"Do You Know What Hepatitis Is?", New York Times, December 2025

“While many people get covid after receiving a covid shot, because the vaccine s ability to prevent infection wears off pretty fast, some misunderstand the purpose of the shot, said Otto Yang, an...”—"Conflicting Advice on Covid Shots Likely To Ding Already Low Vaccine Rates, Experts Warn - KFF Health News", KFF Health News, November 2025

“If vaccines do have a positive or negative effect on long COVID symptoms, there are no definitive answers as to why that might be or whether it's a placebo effect, Otto Yang, MD, an infectious...”—"Vaccines and Long COVID: What Do We Know?", MedPage Today, October 2024

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	73
inpatient care	73

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	266
inpatient care	266

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	59
Female	39

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	21
85 and over	12
Less than 65	36

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2013

Hypertension	72
High Cholesterol	53
Stroke	18
Ischemic Heart Disease	66
Depression	51
Chronic Kidney Disease	69
Asthma	14
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	41
Dementia	19
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	104
inpatient care	104

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	27
Female	26

**Ethnicity**
Non-Hispanic White	33
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	16
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2014

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	66
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	42
Chronic Obstructive Pulmonary Disease	30
Diabetes	43
Dementia	28
Cancer	26

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	216
inpatient care	216

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	94
Female	80

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	0
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	38
85 and over	32
Less than 65	38

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2015

Hypertension	75
High Cholesterol	43
Stroke	18
Ischemic Heart Disease	44
Depression	47
Chronic Kidney Disease	75
Asthma	24
Osteoperosis	17
Atrial Fibrilation	17
Heart Failure	44
Chronic Obstructive Pulmonary Disease	31
Diabetes	40
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	216
inpatient care	216

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	45
Female	39

**Ethnicity**
Non-Hispanic White	44
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	17
85 and over	17
Less than 65	21

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2016

Hypertension	75
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	65
Depression	50
Chronic Kidney Disease	75
Asthma	38
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	57
Chronic Obstructive Pulmonary Disease	36
Diabetes	43
Dementia	39
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	123
inpatient care	123

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	37
Female	25

**Ethnicity**
Non-Hispanic White	40
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	18
85 and over	0
Less than 65	18

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2017

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	58
Depression	45
Chronic Kidney Disease	75
Asthma	24
Osteoperosis	0
Atrial Fibrilation	21
Heart Failure	55
Chronic Obstructive Pulmonary Disease	35
Diabetes	44
Dementia	34
Cancer	26

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Ethnicity**
Non-Hispanic White	11
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2018

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	70
Depression	0
Chronic Kidney Disease	70
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	65
Chronic Obstructive Pulmonary Disease	0
Diabetes	48
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	140
inpatient care	140

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	45
Female	37

**Ethnicity**
Non-Hispanic White	41
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	24
85 and over	0
Less than 65	32

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2019

Hypertension	75
High Cholesterol	62
Stroke	16
Ischemic Heart Disease	59
Depression	51
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	46
Chronic Obstructive Pulmonary Disease	24
Diabetes	50
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

doctor visit	12
hospital care	172
inpatient care	172

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	44
Female	44

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	13
85 and over	11
Less than 65	27

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	17
Ischemic Heart Disease	55
Depression	40
Chronic Kidney Disease	75
Asthma	17
Osteoperosis	19
Atrial Fibrilation	13
Heart Failure	45
Chronic Obstructive Pulmonary Disease	30
Diabetes	39
Dementia	33
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

hospital care	115
inpatient care	115

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	37
Female	38

**Ethnicity**
Non-Hispanic White	34
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	20

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	56
Depression	40
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	48
Chronic Obstructive Pulmonary Disease	25
Diabetes	47
Dementia	24
Cancer	24

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

doctor visit	15
hospital care	190
inpatient care	190

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	54
Female	62

**Ethnicity**
Non-Hispanic White	57
Black	0
Hispanic	27
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	29
85 and over	14
Less than 65	35

Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	47
Depression	49
Chronic Kidney Disease	58
Asthma	16
Osteoperosis	24
Atrial Fibrilation	28
Heart Failure	53
Chronic Obstructive Pulmonary Disease	41
Diabetes	51
Dementia	18
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Otto Orlean Yang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Otto Orlean Yang, MD treated as an adult infectious disease specialist in Los Angeles, CA were hospital care and inpatient care.

doctor visit	13
hospital care	161
inpatient care	161

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Otto Orlean Yang, MD.

**Gender**
Male	40
Female	35

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	3
Non-Hispanic White	44
Native American / Alaskan Native	0
Hispanic	11
Other	0

**Age**
75 to 84	16
85 and over	7
Less than 65	21
65 to 74	22

Average of Total of Conditions of Medicare patients treated by Dr. Otto Orlean Yang, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	53
Stroke	8
Ischemic Heart Disease	51
Depression	36
Chronic Kidney Disease	64
Asthma	12
Osteoporosis	9
Heart Failure	45
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Atrial Fibrillation	12
Dementia	22
Cancer	16

Education & Training

Dr. Otto Orlean Yang, MD graduated from Brown University, Alpert Medical School in 1990. He completed residency at Bellevue Hospital Center. He has a state license in California.

Medical School: Brown University, Alpert Medical School (1990)

Residency: Bellevue Hospital Center (1993)

Licensed In: California

Affiliations & Hospitals

Dr. Otto Orlean Yang, MD is associated with these hospitals and organizations:

UCLA Health

UCLA Santa Monica Medical Center

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Otto Orlean Yang, MD appears to accept the following insurance providers: Cigna, TRICARE, Private Healthcare Systems (PHCS), Aetna, Blue Shield of California, MultiPlan, Anthem, UnitedHealthcare, Medicare Advantage, Prime Health, First Health, HealthSmart, Health Net of California, Centivo and UFCM Health System.

Insurance Accepted by Provider includes:

According to our sources, Dr. Otto Orlean Yang, MD accepts the following insurance providers:

Cigna

TRICARE

Private Healthcare Systems (PHCS)

Aetna

Blue Shield of California

MultiPlan

Anthem

UnitedHealthcare

Medicare Advantage

Prime Health

First Health

HealthSmart

Health Net of California

Centivo

UFCM Health System

Ratings & Reviews

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General Payments

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

**Payments by Company**
Applied Medical Corporation	$375,639 $375,639
Applied Medical Resources Corporation	$123,835 $123,835
Pfizer Inc.	$21 PREVNAR 13 $21

**Types of Payments**
Current or prospective ownership or investment interest	$194,653
Consulting Fee	$167,501
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$133,235
Travel and Lodging	$2,189
Food and Beverage	$1,809
Other	$108

Research Payments

Dr. Otto Orlean Yang, MD has received 31 research payments totaling $296,717.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Otto Orlean Yang, MD.

Applied Medical Corporation	2022	$396,263.34	Physician Covered Recipient	CLASS B COMMON STOCK
Applied Medical Corporation	2021	$263,778.90	Physician Covered Recipient	CLASS B COMMON STOCK
Applied Medical Corporation	2020	$231,858.90	Physician Covered Recipient	CLASS B COMMON STOCK
Applied Medical Corporation	2019	$195,429.00	Physician Covered Recipient	CLASS B COMMON STOCK
Applied Medical Corporation	2018	$182,429.00	Physician Covered Recipient	CLASS B COMMON STOCK
Applied Medical Corporation	2016	$100,161.36	Physician Covered Recipient	CLASS B COMMON STOCK
Applied Medical Corporation	2015	$36,353.24	Physician Covered Recipient	CLASS B COMMON STOCK

Biography

Dr. Otto Yang's specialty is adult infectious disease. His clinical interests include HIV/AIDS. He is professionally affiliated with UCLA Health. Anthem, UnitedHealthcare, and Blue California appears to be the insurance carriers that Dr. Yang takes. According to UCLA Health, he is currently accepting new patients at his office in Los Angeles, CA. He graduated from Brown University, Alpert Medical School and then he performed his residency at Bellevue Hospital Center. Dr. Yang has received the distinction of Top Doctors, Los Angeles Magazine. In addition to English, he speaks Min Nan.