Physician

Clarissa Liew, MD

According to 2025 Medicare claims, Clarissa Liew, MD (NPI: 1942495494) practices neurology in the Champaign-Urbana, IL market, with the plurality of this provider's patient population coming from Champaign, IL. This provider's primary affiliated billing organization is CHRISTIE CLINIC, PLLC (NPI: 1871523829; TIN: 370802668) and primary practice location at 61820-3909. Liew is affiliated with the IRCCO (ACO ID: A2619) and Stratum Med ACO (ACO ID: A4527), participating under the MSSP model.

Liew's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 466 traditional Medicare patients, billed 2,708 HCPCS/CPT codes, and received $122,189 in Medicare payments. The top billing code was G0400 (Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels). Part D data shows 1,763 prescription claims across 309 beneficiaries totaling $476,944 in drug costs, led by Ingrezza (Valbenazine Tosylate). DME data shows 1,429 claims. Open Payments data shows 115 records totaling $3,097. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has risen steadily, from $67,945 to $122,189. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $233,987 and ending at $476,944. For DME billing, reported payments moved sharply higher in recent years, from $2,229 to $59,104.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	661	960	$67,945
2016	778	1,116	$77,943
2017	639	891	$60,812
2018	352	2,244	$118,814
2019	382	3,194	$110,232
2020	378	2,283	$104,226
2021	386	1,963	$137,215
2022	416	1,780	$124,021
2023	438	1,684	$94,770
2024	466	2,708	$122,189

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	174	1,644	$233,987
2016	193	1,974	$319,183
2017	205	1,823	$314,810
2018	224	1,041	$103,434
2019	235	1,411	$191,261
2020	242	1,597	$249,780
2021	269	1,757	$268,819
2022	312	1,919	$333,486
2023	282	1,882	$284,500
2024	309	1,763	$476,944

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	17	$587
2019	N/R	61	$1,454
2020	41	130	$4,027
2021	277	677	$24,764
2022	446	1,012	$39,254
2023	594	1,605	$75,719
2024	621	1,429	$56,352

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
G0400	Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels	137	139	$158
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$123
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	164	226	$87
95800	Sleep study including heart rate, breathing, and sleep time	155	174	$32
G2211	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's	170	232	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ingrezza	Valbenazine Tosylate	22	634	$173,579
Fycompa	Perampanel	15	450	$24,954
Carbidopa-Levodopa	Carbidopa/Levodopa	129	8,354	$5,045
Belsomra	Suvorexant	11	330	$4,758
Levetiracetam	Levetiracetam	107	6,462	$4,751

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
E0601	Continuous positive airway pressure (cpap) device	Y	65	316	$11,232
A7030	Full face mask used with positive airway pressure device, each	N	35	70	$6,636
A7032	Cushion for use on nasal mask interface, replacement only, each	N	38	76	$5,999
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	59	107	$5,568
A7031	Face mask interface, replacement for full face mask, each	N	29	68	$5,003

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	115	$3,097	Inspire Medical Systems, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Clarissa Liew, MD?

Tedicare shows public-source Medicare data for Clarissa Liew, MD (NPI 1942495494), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Clarissa Liew, MD have ACO affiliation data?

Clarissa Liew, MD is shown with ACO affiliation data for IRCCO (MSSP, ACO ID A2619) and Stratum Med ACO (MSSP, ACO ID A4527).

What billing organization is linked to Clarissa Liew, MD?

Clarissa Liew, MD is linked to CHRISTIE CLINIC, PLLC (billing NPI 1871523829) in the available physician profile data.

Does Clarissa Liew, MD have Open Payments data?

Clarissa Liew, MD has 115 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.