Physician

Stephen S Chung, MD

According to 2025 Medicare claims, Stephen Chung, MD (NPI: 1578673703) practices sleep medicine in the Wenatchee-East Wenatchee, WA market, with the plurality of this provider's patient population coming from Douglas, WA. This provider's primary affiliated billing organization is CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION (NPI: 1881642239; TIN: 910171250) and primary practice location at 98801-1512. Chung is affiliated with the CVS ACO (ACO ID: A5407) and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Chung's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 706 traditional Medicare patients, billed 1,651 HCPCS/CPT codes, and received $209,576 in Medicare payments. The top billing code was 95811 (Sleep study in sleep lab with continuous airway pressure (6 years or older)). Part D data shows 260 prescription claims across 47 beneficiaries totaling $6,412 in drug costs, led by Armodafinil (Armodafinil). DME data shows 5,536 claims. Open Payments data shows 3 records totaling $75. 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 $83,374 to $209,576. In contrast, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $636,035 to $6,412. For DME billing, reported payments moved from a lower plateau to a higher plateau, from $106,720 to $321,092.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	354	1,551	$83,374
2016	386	2,533	$114,669
2017	313	2,397	$72,762
2018	390	4,384	$103,178
2019	402	2,987	$87,890
2020	425	993	$119,525
2021	398	971	$127,783
2022	421	935	$119,298
2023	603	1,271	$175,631
2024	706	1,651	$209,576

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	165	1,598	$636,035
2016	164	1,568	$539,439
2017	137	1,313	$373,880
2018	128	1,203	$368,805
2019	113	1,217	$326,254
2020	80	363	$62,941
2021	40	200	$26,864
2022	39	160	$19,916
2023	48	206	$18,012
2024	47	260	$6,412

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	713	1,500	$98,823
2016	979	2,196	$93,057
2017	968	1,918	$62,882
2018	1,250	2,589	$90,145
2019	1,777	3,337	$142,915
2020	2,317	4,633	$221,736
2021	1,902	3,815	$206,848
2022	1,643	3,181	$202,216
2023	2,645	4,709	$294,990
2024	2,770	5,536	$320,813

* / # = 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
95811	Sleep study in sleep lab with continuous airway pressure (6 years or older)	146	305	$256
95810	Sleep study in sleep lab (6 years or older)	127	271	$243
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	192	$84
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	185	208	$60
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	167	196	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Armodafinil	Armodafinil	17	690	$1,052
Gabapentin	Gabapentin	42	1,793	$344
Ipratropium Bromide	Ipratropium Bromide	11	741	$341
Ropinirole Hcl	Ropinirole Hcl	26	960	$284
Rivastigmine	Rivastigmine Tartrate	14	420	$236

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
E0471	Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device)	Y	19	115	$34,775
A7030	Full face mask used with positive airway pressure device, each	N	184	343	$32,479
A7031	Face mask interface, replacement for full face mask, each	N	173	342	$32,393
E0466	Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)	Y	N/R	37	$31,811
A7032	Cushion for use on nasal mask interface, replacement only, each	N	147	277	$28,939

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$75	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 Stephen S. Chung, MD?

Tedicare shows public-source Medicare data for Stephen S. Chung, MD (NPI 1578673703), 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 Stephen S. Chung, MD have ACO affiliation data?

Stephen S. Chung, MD is shown with ACO affiliation data for CVS ACO (MSSP, ACO ID A5407) and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Stephen S. Chung, MD?

Stephen S. Chung, MD is linked to CENTRAL WASHINGTON HEALTH SERVICES ASSOCIATION (billing NPI 1881642239) in the available physician profile data.

Does Stephen S. Chung, MD have Open Payments data?

Stephen S. Chung, MD has 3 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.