CLARISSA LIEW MD
NPI 1942495494
Psychiatry & Neurology - Clinical Neurophysiology in Champaign, IL

Q: What is Clarissa Liew's NPI number?

The NPI number for Clarissa Liew is 1942495494. It was assigned to this individual provider in the NPPES registry on September 7, 2007.

Q: What is Clarissa Liew's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.

Q: When was this NPI record last updated?

The NPPES record for Clarissa Liew was last updated on January 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 07, 2007PECOS EnrolledAccepts Medicare Assignment

101 W UNIVERSITY AVE, CHAMPAIGN, IL 61820(217) 366-1266 Get Directions Write a Review

NPPES record last updated: January 6, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 6, 2022, Feb 8, 2021, Feb 23, 2016 (3 updates tracked since 2016).

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About Clarissa Liew Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CLARISSA LIEW MD (NPI 1942495494) is an individual clinical neurophysiology provider in Champaign, Illinois, licensed in Illinois (036144422) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1988).

NPPES Registry Identity

NPI1942495494

Entity TypeIndividualFemale

Primary Taxonomy2084N0600X

Provider Legal NameCLARISSA LIEWCredential: MD

Location Address101 W UNIVERSITY AVEChampaign, IL 61820-3981

Mailing Address101 W University AveChampaign, IL 61820-3981 · (217) 366-1266

Phone(217) 366-1266

Sole ProprietorNo

Medical School CMSOtherGraduated 1988

Enumeration DateSeptember 7, 2007

Last NPPES UpdateJanuary 6, 20223 updates tracked since enumeration

NPPES CertifiedJanuary 6, 2022

✔ NPI 1942495494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Clinical NeurophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0600X

License✔ Licensed in IL · 036144422

Definition

Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).

101 W UNIVERSITY AVE, Champaign, IL 61820

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Clarissa Liew Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082708912

PECOS Enrollment IDI20171208000772

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Clarissa Liew reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Christie Clinic, PLLC

Same address

Internal Medicine

101 W UNIVERSITY AVE
Champaign, IL 61820

Reassigned Medicare billing, Illinois enrollment
289 clinicians in this Medicare group

NPI 1871523829 (217) 366-1200

Carle Health Medical Group

1.2 mi

Internal Medicine

611 W PARK ST
Urbana, IL 61801

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Carle Health Care Incorporated
2,516 clinicians in this Medicare group

NPI 1154653947 (217) 383-8300

Hospital & Medical Foundation Of Paris, Inc.

33 mi

Rural Health

5 S. WALNUT ST.
Oakland, IL 61943

Reassigned Medicare billing, Illinois enrollment
216 clinicians in this Medicare group

NPI 1831559509 (217) 346-2353

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

226 services164 patients

Sleep study including heart rate, breathing, and sleep time 95800

A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.

174 services155 patients

Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels G0400

A Home Sleep Test (HST) with a Type IV Portable Monitor is a non-invasive test done at home. It records your sleep patterns, breathing, oxygen levels, and heart rate to help diagnose sleep disorders like sleep apnea. It's unattended and uses minimum of 3 channels for data collection.

139 services137 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

65 services65 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

63 services62 patients

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation G0399

A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.

55 services55 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

36 services36 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

33 services28 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

21 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

19 services18 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

18 services16 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

16 services15 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

12 services12 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

11 services11 patients

Referred Medical Equipment & Supplies CMS DME claims 14

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

9 suppliers47 claims48 services$39.62 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

9 suppliers45 claims45 services$95.07 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

8 suppliers37 claims79 services$35.43 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

5 suppliers16 claims52 services$19.82 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

6 suppliers14 claims74 services$15.03 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

10 suppliers52 claims52 services$56.91 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELLEN FLORA

Physician Assistant