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Dr. John Ks Chia, MD

(6 Ratings)

Specializes in: Adult Infectious Disease

University of California, Los Angeles (UCLA), David Geffen School of Medicine

23430 Hawthorne Boulevard Suite 200
Torrance, CA 90505

(310) 784-5880

Dr. John Ks Chia, MD is an adult infectious disease specialist in Torrance, CA specializing in adult infectious disease. He graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dr. John Ks Chia, MD is affiliated with Torrance Memorial.

Office Locations

Torrance Memorial

23430 Hawthorne Boulevard Suite 200
Torrance, CA 90505

(310) 325-3117

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In The News

“The study was authored by Dr. John Chia, an infectious disease specialist in private practice in Torrance, Calif., and his son, Andrew, who suffers from...”—"Study: Common Stomach Virus Tied to Chronic Fatigue", Fox News, March 2015

Noteworthy Medicare Patient Procedures Performed by Dr. John Ks Chia, MD in 2023

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

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. John Ks Chia, 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 90% of providers in related specialties within California. 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. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2012 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	22
doctor visit	518
hospital care	1502
inpatient care	1502

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2013 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	17
doctor visit	514
hospital care	920
inpatient care	920

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	102
Female	214

**Ethnicity**
Non-Hispanic White	206
Black	0
Hispanic	43
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	77
85 and over	33
Less than 65	108

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2013

Hypertension	62
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	35
Depression	31
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	18
Diabetes	41
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2014 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	24
doctor visit	486
hospital care	694
inpatient care	694

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	116
Female	205

**Ethnicity**
Non-Hispanic White	229
Black	0
Hispanic	34
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	73
85 and over	46
Less than 65	97

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2014

Hypertension	61
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2015 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	28
doctor visit	537
hospital care	1190
inpatient care	1190

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	302
Female	476

**Ethnicity**
Non-Hispanic White	508
Black	70
Hispanic	106
Asian	70
Other	24
Native American	0

**Age**
From 65 to 74	270
From 75 to 84	184
85 and over	94
Less than 65	230

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2015

Hypertension	65
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	43
Depression	31
Chronic Kidney Disease	42
Asthma	18
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2016 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	35
doctor visit	535
hospital care	896
inpatient care	896

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	131
Female	209

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	37
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	81
85 and over	53
Less than 65	90

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2016

Hypertension	64
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	39
Depression	29
Chronic Kidney Disease	42
Asthma	24
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	26
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2017 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	33
doctor visit	519
hospital care	802
inpatient care	802

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	152
Female	212

**Ethnicity**
Non-Hispanic White	254
Black	21
Hispanic	38
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	103
85 and over	49
Less than 65	92

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2017

Hypertension	65
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	38
Depression	34
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2018 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	33
doctor visit	500
hospital care	634
inpatient care	634

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	123
Female	216

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	38
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	91
85 and over	38
Less than 65	81

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2018

Hypertension	59
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2019 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	38
doctor visit	467
hospital care	338
inpatient care	338

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	93
Female	179

**Ethnicity**
Non-Hispanic White	201
Black	0
Hispanic	28
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	67
85 and over	29
Less than 65	76

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2019

Hypertension	53
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	34
Depression	37
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2020 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	30
doctor visit	417
hospital care	714
inpatient care	714

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	114
Female	210

**Ethnicity**
Non-Hispanic White	219
Black	0
Hispanic	42
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	81
85 and over	42
Less than 65	83

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2020

Hypertension	62
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	40
Depression	36
Chronic Kidney Disease	43
Asthma	12
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	21
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2021 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	34
doctor visit	428
hospital care	536
inpatient care	536

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	116
Female	189

**Ethnicity**
Non-Hispanic White	208
Black	0
Hispanic	37
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	78
85 and over	36
Less than 65	80

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2021

Hypertension	65
High Cholesterol	56
Stroke	9
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA during 2022 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

blood draw	45
doctor visit	440
hospital care	638
inpatient care	638

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	118
Female	210

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	43
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	88
85 and over	34
Less than 65	89

Conditions of Medicare patients treated by Dr. John Ks Chia, MD in 2022

Hypertension	71
High Cholesterol	74
Stroke	16
Ischemic Heart Disease	32
Depression	30
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	19
Atrial Fibrilation	21
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Ks Chia, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Ks Chia, MD treated as an adult infectious disease specialist in Torrance, CA were hospital care, inpatient care and blood draw.

blood draw	30
doctor visit	487
hospital care	805
inpatient care	805

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Ks Chia, MD.

**Gender**
Male	124
Female	210

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	34
Non-Hispanic White	228
Native American / Alaskan Native	0
Hispanic	40
Other	2

**Age**
75 to 84	83
85 and over	41
Less than 65	93
65 to 74	116

Average of Total of Conditions of Medicare patients treated by Dr. John Ks Chia, MD From 2012 - 2022

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

Hypertension	57
High Cholesterol	50
Stroke	7
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	34
Asthma	12
Osteoporosis	10
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Atrial Fibrillation	12
Dementia	18
Cancer	10

Education & Training

Dr. John Ks Chia, MD graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. He completed residency at Cedars-Sinai Medical Center. He has a state license in California.

Medical School: University of California, Los Angeles (UCLA), David Geffen School of Medicine

Residency: Cedars-Sinai Medical Center

Licensed In: California

Affiliations & Hospitals

Dr. John Ks Chia, MD is associated with these hospitals and organizations:

Torrance Memorial

Ratings & Reviews

Dr. John Ks Chia, MD has a good overall rating with an average of 3.0 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. John Ks Chia, MD from all over the web to help you find the right in Torrance, CA.

Overall Rating

(6 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2024-11-22

Horrible front desk. Once they received my referral they basically refused an appointment.  I was told they don’t have an appointment until 2027.  I called 11:2024

General Payments

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

**Payments by Company**
Gilead Sciences, Inc.	$6,209 Veklury $6,001	Vemlidy $125	$82
Astellas Pharma US Inc	$229 Cresemba $60	$169
Merck Sharp & Dohme Corporation	$164 DELSTRIGO $118	ZERBAXA $46
Shionogi Inc	$107 Fetroja $107
Melinta Therapeutics, Inc.	$55 ORBACTIV $41	VABOMERE $14
Other	$187 VIBATIV $75	Anti-Bacterial $27	TEFLARO $24	SHINGRIX $24	Viekira $23	Other $16

**Types of Payments**
Consulting Fee	$4,840
Food and Beverage	$973
Travel and Lodging	$929
Education	$209

Biography

Dr. John Chia is an adult infectious disease specialist in Torrance, CA. He studied medicine at the University of California, Los Angeles (UCLA), David Geffen School of Medicine. For his residency, Dr. Chia trained at Cedars-Sinai Medical Center. Dr. Chia's average patient rating is 3.0 stars (out of 5). Distinctions awarded to Dr. Chia include: Southern California Super Doctors; Southern California Super Doctors 2008; and Los Angeles Super Doctors. Dr. Chia is affiliated with Torrance Memorial.