Physician Profile
Clarissa Liew, MD
Unclaimed ProfileAbout Dr. Liew
Clarissa Liew, MD practices clinical neurophysiology in Champaign, IL. According to Medicare claims data, Clarissa cared for 962 Medicare patients across 1,120 services. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and sleep study including heart rate, breathing, and sleep time.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (217) 366-1266
- Email not available
Practice Locations
101 W UNIVERSITY AVE
Champaign, IL 61820
Procedures Most Often Billed to Medicare
1,120 services · 962 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
21 | Too few peers to compare |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
174 | Too few peers to compare |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
63 | Too few peers to compare |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
36 | Too few peers to compare |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
33 | Too few peers to compare |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
12 | Less often than most peers in Clinical Neurophysiology |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
11 | Less often than most peers in Clinical Neurophysiology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
232 | More often than most peers in Clinical Neurophysiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
226 | More often than most peers in Clinical Neurophysiology |
| Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels | Billing code | G0400 |
139 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Liew's specialty?
Dr. Liew is a clinical neurophysiology in Champaign, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Liew?
Dr. Liew is listed at 101 W University Ave, Champaign, IL 61820. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Liew?
The number on file is (217) 366-1266. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Liew's NPI number?
Dr. Liew's National Provider Identifier is 1942495494. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Liew's medical education?
Dr. Liew attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Liew been practicing?
Dr. Liew has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Liew known for?
According to Medicare billing data, Dr. Liew performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as sleep study including heart rate, breathing, and sleep time and sleep study including heart rate, breathing, airflow, and effort, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Liew confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Liew. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.