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Dr. Thomas C. Chen, MD, PHD

(37 Ratings)

Specializes in: Spine Surgery and Neurosurgery

University of California, San Francisco (UCSF), School of Medicine (1988)

Professional interests include: spine surgery procedures, tumor, brain problems, and more.

2175 Rosaline Avenue, Trauma Service Clinic Trauma Service
Redding, CA 96001

(530) 225-7069

Dr. Thomas C. Chen, MD, PHD is a spine surgeon in Los Angeles, CA specializing in spine surgery and neurosurgery. He graduated from University of California, San Francisco (UCSF), School of Medicine in 1988 and has 38 years of experience. Dr. Thomas C. Chen, MD, PHD is affiliated with Mercy Medical Center Redding, Keck Medicine of USC, Dignity Health, Keck Medical Center of USC and USC CARE MEDICAL GROUP INC.

Office Locations

Keck Medical Center of USC

1441 Eastlake Avenue
Los Angeles, CA 90033

1-800-872-2273

open_in_new

Keck Medical Center of USC

1450 San Pablo Street Hc4 Suite 5400 Hc4 - Suite 5400
Los Angeles, CA 90033

(323) 442-5300

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Keck Medical Center of USC

1812 Verdugo Boulevard
Glendale, CA 91208

(818) 790-7100

open_in_new

Dignity Health

2175 Rosaline Avenue, Trauma Service Clinic Trauma Service
Redding, CA 96001

(530) 225-7069

(530) 225-7259

open_in_new

In The News (see more mentions in the news)

“NeOnc, Inc - a biotech company headed by neurosurgeon Dr. Thomas Chen - has developed a nasal brain delivery system that transports medications via a cranial-to-brain delivery, bypassing the...”—"Meet the Surgeon Leading a Biotech Revolution: Dr. Thomas Chen's Fight Against Brain Cancer", USA Today, August 2024

“"We are honored to be recognized by the CIF committee members," stated NeOnc founder, CEO and chief science officer, Thomas Chen, M.D. Ph.D. "The award helps to bring important attention to our...”—"NeOnc Technologies Wins California Investment Forum's Breakthrough Medical Technology Achievement Award", KTLA 5, May 2024

“USC neurosurgeon Dr. Thomas Chen said Bell has been responding well to the trial treatment.”—"New device keeps cancer at bay", Honolulu Star-Advertiser, January 2012

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	312

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	266

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	71
Female	83

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	0
85 and over	0
Less than 65	40

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2013

Hypertension	64
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	27
Asthma	13
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	229

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	68
Female	84

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	33
85 and over	11
Less than 65	49

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2014

Hypertension	64
High Cholesterol	48
Stroke	10
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	13
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	41
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	265
hospital care	42
inpatient care	42

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	184
Female	224

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	104
Asian	140
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	130
85 and over	44
Less than 65	94

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2015

Hypertension	74
High Cholesterol	57
Stroke	23
Ischemic Heart Disease	47
Depression	28
Chronic Kidney Disease	34
Asthma	16
Osteoperosis	17
Atrial Fibrilation	8
Heart Failure	25
Chronic Obstructive Pulmonary Disease	19
Diabetes	46
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2016 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

cranial surgery	13
decompression surgery	15
doctor visit	373
excision	13
hospital care	87
inpatient care	87
nerve procedures	15
removal of lesion (e.g. growth)	13
spinal procedures	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	123
Female	158

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	56
Asian	129
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	79
85 and over	63
Less than 65	44

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2016

Hypertension	75
High Cholesterol	62
Stroke	25
Ischemic Heart Disease	52
Depression	21
Chronic Kidney Disease	49
Asthma	24
Osteoperosis	20
Atrial Fibrilation	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	56
Dementia	25
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	436
hospital care	131
inpatient care	131

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	158
Female	167

**Ethnicity**
Non-Hispanic White	78
Black	0
Hispanic	61
Asian	165
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	98
85 and over	59
Less than 65	59

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2017

Hypertension	75
High Cholesterol	59
Stroke	21
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	48
Asthma	9
Osteoperosis	25
Atrial Fibrilation	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	49
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2018 were hospital care, inpatient care, cranial surgery and spinal procedures.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

cranial surgery	19
doctor visit	472
hospital care	99
inpatient care	99
spinal procedures	16

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	175
Female	174

**Ethnicity**
Non-Hispanic White	96
Black	15
Hispanic	53
Asian	174
Other	11
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	102
85 and over	54
Less than 65	64

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2018

Hypertension	75
High Cholesterol	61
Stroke	22
Ischemic Heart Disease	50
Depression	29
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	22
Atrial Fibrilation	10
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	48
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	432
hospital care	90
inpatient care	90

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	168
Female	168

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	76
Asian	157
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	104
85 and over	52
Less than 65	58

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2019

Hypertension	75
High Cholesterol	68
Stroke	23
Ischemic Heart Disease	49
Depression	35
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	22
Atrial Fibrilation	9
Heart Failure	0
Chronic Obstructive Pulmonary Disease	25
Diabetes	53
Dementia	29
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2020 were hospital care, inpatient care and spinal procedures.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	264
hospital care	24
inpatient care	24
spinal procedures	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	96
Female	104

**Ethnicity**
Non-Hispanic White	64
Black	0
Hispanic	44
Asian	71
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	51
85 and over	26
Less than 65	45

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2020

Hypertension	75
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	47
Depression	28
Chronic Kidney Disease	50
Asthma	9
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	48
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	241
hospital care	32
inpatient care	32

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	95
Female	90

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	48
Asian	53
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	49
85 and over	15
Less than 65	50

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2021

Hypertension	75
High Cholesterol	64
Stroke	12
Ischemic Heart Disease	50
Depression	34
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	18
Atrial Fibrilation	6
Heart Failure	26
Chronic Obstructive Pulmonary Disease	22
Diabetes	48
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA during 2022 were spinal procedures.

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

doctor visit	283
spinal procedures	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	81
Female	100

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	41
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	33
Asthma	15
Osteoperosis	32
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	22
Diabetes	50
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Thomas C. Chen, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas C. Chen, MD, PHD treated as a spine surgeon in Los Angeles, CA were hospital care, inpatient care, spinal procedures and cranial surgery.

cranial surgery	16
decompression surgery	15
doctor visit	324
excision	13
hospital care	72
inpatient care	72
nerve procedures	15
removal of lesion (e.g. growth)	13
spinal procedures	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Thomas C. Chen, MD, PHD.

**Gender**
Male	110
Female	122

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	84
Non-Hispanic White	74
Hispanic	52
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	64
85 and over	29
Less than 65	45
65 to 74	85

Average of Total of Conditions of Medicare patients treated by Dr. Thomas C. Chen, MD, PHD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Thomas C. Chen, MD, PHD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	66
High Cholesterol	55
Stroke	14
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	37
Asthma	11
Osteoporosis	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	43
Atrial Fibrillation	7
Cancer	12
Dementia	17

Education & Training

Dr. Thomas C. Chen, MD, PHD graduated from University of California, San Francisco (UCSF), School of Medicine in 1988. He is certified by the Neurological Surgery and has a state license in California.

Medical School: University of California, San Francisco (UCSF), School of Medicine (1988)

Board Certification: Neurological Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Thomas C. Chen, MD, PHD is associated with these hospitals and organizations:

Mercy Medical Center Redding

Keck Medicine of USC

Dignity Health

Keck Medical Center of USC

USC CARE MEDICAL GROUP INC

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. Thomas C. Chen, MD, PHD appears to accept the following insurance providers: Humana ChoiceCare Network, Great-West Healthcare, Blue Shield of California, MultiPlan, TriWest, United Healthcare, Interplan, Aetna, Medicare, Cigna, Coventry, GEHA, Anthem, First Health, Beech Street, Private Healthcare Systems (PHCS), Health Net, PacifiCare, Brand New Day, Marian Health Services, Watchtower, Health Net Covered California, Kern Health Systems, Laundry and Dry Cleaning Workers Health & Welfare, Take Care (GUAM), USC Network, Union Roofers Health & Welfare Fund, Blue Shield Covered California, Presbyterian Intercommunity Hospital, NEXT and Health Plans of Nevada.

Insurance Accepted by Provider includes:

According to our sources, Dr. Thomas C. Chen, MD, PHD accepts the following insurance providers:

Humana ChoiceCare Network

Great-West Healthcare

Blue Shield of California

MultiPlan

TriWest

United Healthcare

Interplan

Aetna

Medicare

Cigna

Coventry

GEHA

Anthem

First Health

Beech Street

Private Healthcare Systems (PHCS)

Health Net

PacifiCare

Brand New Day

Marian Health Services

Watchtower

Health Net Covered California

Kern Health Systems

Laundry and Dry Cleaning Workers Health & Welfare

Take Care (GUAM)

USC Network

Union Roofers Health & Welfare Fund

Blue Shield Covered California

Presbyterian Intercommunity Hospital

Health Plans of Nevada

Ratings & Reviews

Dr. Thomas C. Chen, MD, PHD has an exceptional overall rating with an average of 4.86 out of 5 stars based on 37 ratings. We collect ratings and reviews of Dr. Thomas C. Chen, MD, PHD from all over the web to help you find the right in Los Angeles, CA.

4.86

Overall Rating

(37 Ratings)

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General Payments

These charts describe general payments received by Dr. Thomas C. Chen, MD, PHD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novocure Inc.	$8,780 Oncology $5,871	NovoTTF-100A $2,705	Optune $204
DePuy Synthes Products LLC	$2,484 Spine $2,484
Medtronic Xomed, Inc.	$2,355 Laser ablation $2,355
Cerapedics Inc.	$1,000 I-FACTOR PEPTIDE ENHANCED BONE GRAFT $1,000
KCI USA, Inc	$1,000 PREVENA $1,000
Other	$5,579 Visualase Thermal Therapy System $315	Neuro-Ultrasonic Aspiration Products $225	Avastin $221	Spinal Cord Neurostimulation - Neuro $197	MASTERGRAFT MATRIX EXT $195	Other $4,425

**Types of Payments**
Honoraria	$6,725
Food and Beverage	$6,405
Travel and Lodging	$5,919
Consulting Fee	$2,000
Education	$148

Research Payments

Dr. Thomas C. Chen, MD, PHD has received 55 research payments totaling $322,277.

Biography

Dr. Thomas Chen sees patients in Los Angeles, CA, Glendale, CA, and Redding, CA. His medical specialties are spine surgery and neurosurgery. Patients gave Dr. Chen an average rating of 5.0 stars (out of 5). His clinical interests encompass neurosurgery, spine surgery procedures, and brain tumor. His hospital/clinic affiliations include Keck Medical Center of USC, Mercy Medical Center Redding, and Keck Medicine of USC. He usually is in-network for Anthem, PacifiCare, and Blue California, as well as other insurance carriers. Dignity Health reports that he is not accepting new patients. Dr. Chen is a graduate of the University of California, San Francisco (UCSF), School of Medicine. Distinctions awarded to Dr. Chen include: Southern California Super Doctors and Southern California Super Doctors 2008. Dr. Chen is conversant in Taiwanese.