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

Home > IL Providers > Neurologists

Dr. Clarissa Liew, MD

Accepting New Patients

(1 Rating)

Specializes in: Neurology (Brain & Spinal Cord Disease) and Neurophysiology

Soochow University Medical College

101 W University Avenue
Champaign, IL 61820

(217) 366-1266

Dr. Clarissa Liew, MD is a neurologist in Champaign, IL specializing in neurology (brain & spinal cord disease) and neurophysiology. She graduated from Soochow University Medical College. Dr. Clarissa Liew, MD is affiliated with Christie Clinic.

Office Locations

101 W University Avenue
Champaign, IL 61820

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Clarissa Liew, MD in 2023

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

Top 5%

By Volume:

home cardiorespiratory sleep study

sleep study

In 2023, Dr. Clarissa Liew, MD performed more home cardiorespiratory (type 3) sleep study, and sleep study procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 25%

By Volume:

in-lab polysomnography

In 2012, Dr. Clarissa Liew, MD performed more in-lab polysomnography (overnight sleep study) procedures for Medicare patients than 75% of providers in related specialties within Illinois.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2012 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

doctor visit	180
electroencephalography (EEG)	510
hospital care	304
inpatient care	304

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2013 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

doctor visit	182
electroencephalography (EEG)	408
hospital care	220
inpatient care	220

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	309
Female	306

**Ethnicity**
Non-Hispanic White	548
Black	15
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	197
From 75 to 84	185
85 and over	84
Less than 65	149

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	35
Ischemic Heart Disease	53
Depression	45
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	33
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	32
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2014 were electroencephalography (EEG), hospital care, inpatient care and ambulatory monitoring.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

ambulatory monitoring	13
doctor visit	217
electroencephalography (EEG)	557
hospital care	239
inpatient care	239

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	353
Female	406

**Ethnicity**
Non-Hispanic White	687
Black	17
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	221
85 and over	120
Less than 65	202

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	34
Ischemic Heart Disease	55
Depression	45
Chronic Kidney Disease	42
Asthma	11
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	32
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2015 were electroencephalography (EEG), hospital care, inpatient care and ambulatory monitoring.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

ambulatory monitoring	21
doctor visit	188
electroencephalography (EEG)	459
hospital care	249
inpatient care	249

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	608
Female	714

**Ethnicity**
Non-Hispanic White	1170
Black	46
Hispanic	70
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	336
85 and over	188
Less than 65	360

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	35
Ischemic Heart Disease	52
Depression	49
Chronic Kidney Disease	46
Asthma	18
Osteoperosis	12
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	31
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2016 were electroencephalography (EEG), hospital care, inpatient care and ambulatory monitoring.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

ambulatory monitoring	20
doctor visit	223
electroencephalography (EEG)	613
hospital care	219
inpatient care	219

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	362
Female	416

**Ethnicity**
Non-Hispanic White	691
Black	19
Hispanic	39
Asian	13
Other	16
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	205
85 and over	110
Less than 65	217

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	33
Ischemic Heart Disease	52
Depression	48
Chronic Kidney Disease	51
Asthma	26
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	38
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2017 were electroencephalography (EEG), hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

ambulatory monitoring	12
blood draw	24
doctor visit	233
electroencephalography (EEG)	429
hospital care	102
inpatient care	102
lab tests	12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	287
Female	352

**Ethnicity**
Non-Hispanic White	571
Black	18
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	188
85 and over	84
Less than 65	151

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	35
Ischemic Heart Disease	50
Depression	43
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	41
Dementia	37
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2018 were electroencephalography (EEG), hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

blood draw	69
doctor visit	414
electroencephalography (EEG)	127
hospital care	102
injections	32
inpatient care	102
lab tests	48
nerve block	59
pain management	32
sleep study	12
thyroid function tests	11

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	141
Female	211

**Ethnicity**
Non-Hispanic White	305
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	110
85 and over	42
Less than 65	77

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2018

Hypertension	75
High Cholesterol	59
Stroke	25
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	25
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2019 were electroencephalography (EEG), hospital care, inpatient care and nerve block.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

blood draw	38
doctor visit	393
electroencephalography (EEG)	244
hospital care	71
injections	29
inpatient care	71
lab tests	17
nerve block	50
pain management	29

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	149
Female	233

**Ethnicity**
Non-Hispanic White	332
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	110
85 and over	38
Less than 65	82

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	27
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	43
Asthma	8
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2020 were electroencephalography (EEG), sleep study, blood draw and nerve block.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

airway management	19
blood draw	32
doctor visit	305
electroencephalography (EEG)	141
hospital care	14
injections	29
inpatient care	14
lab tests	26
nerve block	29
pain management	29
sleep study	84

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	166
Female	212

**Ethnicity**
Non-Hispanic White	327
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	94
85 and over	45
Less than 65	66

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2020

Hypertension	74
High Cholesterol	66
Stroke	19
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	36
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2021 were sleep study, electroencephalography (EEG), lab tests and airway management.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

airway management	46
blood draw	42
doctor visit	362
electroencephalography (EEG)	64
lab tests	54
sleep study	223
thyroid function tests	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	154
Female	232

**Ethnicity**
Non-Hispanic White	341
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	120
85 and over	28
Less than 65	58

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2021

Hypertension	74
High Cholesterol	70
Stroke	17
Ischemic Heart Disease	37
Depression	29
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL during 2022 were sleep study, lab tests, electroencephalography (EEG) and blood draw.

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

airway management	34
blood draw	44
diagnostic procedures	13
doctor visit	390
electroencephalography (EEG)	47
lab tests	58
sleep study	309

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	163
Female	253

**Ethnicity**
Non-Hispanic White	366
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	223
From 75 to 84	113
85 and over	29
Less than 65	51

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	15
Asthma	16
Osteoperosis	16
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Clarissa Liew, MD for Medicare patients.

The highest averages for the top procedures that Dr. Clarissa Liew, MD treated as a neurologist in Champaign, IL were electroencephalography (EEG), inpatient care, hospital care and sleep study.

airway management	33
ambulatory monitoring	16
blood draw	41
diagnostic procedures	13
doctor visit	280
electroencephalography (EEG)	327
hospital care	168
injections	30
inpatient care	168
lab tests	35
nerve block	46
pain management	30
sleep study	157
thyroid function tests	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Clarissa Liew, MD.

**Gender**
Male	244
Female	303

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	1
Non-Hispanic White	485
Native American / Alaskan Native	0
Hispanic	18
Other	1

**Age**
75 to 84	152
85 and over	69
Less than 65	128
65 to 74	196

Average of Total of Conditions of Medicare patients treated by Dr. Clarissa Liew, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	60
Stroke	24
Ischemic Heart Disease	40
Depression	34
Chronic Kidney Disease	35
Asthma	11
Osteoporosis	10
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Atrial Fibrillation	17
Dementia	24
Cancer	11

Education & Training

Dr. Clarissa Liew, MD graduated from Soochow University Medical College. She completed residency at The University Hospital, Newark. She is certified by the Board Certified in Neurology Sleep Medicine, and Epilepsy by the American Board of Psychiatry and Neurology and has a state license in Illinois.

Medical School: Soochow University Medical College

Residency: The University Hospital, Newark

Board Certification: Board Certified in Neurology Sleep Medicine, and Epilepsy by the American Board of Psychiatry and Neurology

Licensed In: Illinois

Affiliations & Hospitals

Dr. Clarissa Liew, MD is associated with these hospitals and organizations:

Christie Clinic

Ratings & Reviews

Dr. Clarissa Liew, MD has an exceptional overall rating with an average of 4.5 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Clarissa Liew, MD from all over the web to help you find the right in Champaign, IL.

4.5

Overall Rating

(1 Rating)

Leave a Review

General Payments

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

**Payments by Company**
Genentech USA, Inc.	$380 OCREVUS $284	Enspryng $70	$26
Inspire Medical Systems, Inc.	$374 Inspire $202	Inspire Upper Airway Stimulation System $172
Novartis Pharmaceuticals Corporation	$372 MAYZENT $119	Aimovig $75	Gilenya $49	KESIMPTA $46	$84
Biogen, Inc.	$339 Vumerity $112	TECFIDERA $103	AVONEX $38	PLEGRIDY $36	ZINBRYTA $29	Other $21
Cyberonics, Inc.	$291 VNS Therapy $291
Other	$3,791 REYVOW $190	BOTOX $181	APTIOM $179	Epidiolex $163	SOLIRIS $158	Other $2,920

**Types of Payments**
Food and Beverage	$5,447
Education	$100

Biography

Dr. Clarissa Liew practices neurophysiology and neurology (brain & spinal cord disease). She attended Soochow University Medical College for medical school and subsequently trained at The University Hospital, Newark for residency. She is professionally affiliated with Christie Clinic. According to Christie Clinic, new patients are welcome to contact Dr. Liew's office in Champaign, IL.

Select Year:

Dr. Clarissa Liew, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Clarissa Liew, MD in 2023

By Volume:

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clarissa Liew, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Clarissa Liew, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Neurologists in Nearby Locations

Other Providers in Champaign, IL