Physician

Abigail Chua, M.D.

According to 2025 Medicare claims, Abigail Chua, M.D. (NPI: 1104188408) practices critical care (intensivists) in the Nassau County-Suffolk County, NY market, with the plurality of this provider's patient population coming from Suffolk, NY. This provider's primary affiliated billing organization is STONY BROOK INTERNISTS, UNIVERSITY FACULTY PRACTICE CORPORATION (NPI: 1104865229; TIN: 112558775) and primary practice location at 11794-3407. Chua is affiliated with the Stony Brook ACO, LLC. (ACO ID: A4830), participating under the MSSP model.

Chua's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 401 traditional Medicare patients, billed 796 HCPCS/CPT codes, and received $92,490 in Medicare payments. The top billing code was 99291 (Critical care, first 30-74 minutes). Part D data shows 167 prescription claims across 38 beneficiaries totaling $123,418 in drug costs, led by Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter). DME data shows 139 claims. Open Payments data shows 2 records totaling $200. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have risen steadily, from $435 to $123,418. For DME billing, reported payments moved sharply higher in recent years, from $4,276 to $28,169.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	154	356	$43,407
2019	466	1,034	$125,436
2020	428	909	$118,576
2021	533	1,132	$120,204
2022	462	1,020	$133,469
2023	511	1,139	$125,189
2024	401	796	$92,490

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	13	$435
2018	29	107	$22,302
2019	23	75	$16,388
2020	41	217	$66,568
2021	63	377	$147,352
2022	80	459	$221,802
2023	63	390	$221,522
2024	38	167	$123,418

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	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	113	$14,856
2021	14	273	$17,780
2022	13	212	$8,392
2023	N/R	228	$30,296
2024	N/R	139	$27,425

* / # = 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
99291	Critical care, first 30-74 minutes	118	203	$197
99222	Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	81	81	$117
99233	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	117	177	$110
94729	Test to examine how well the lungs exchange gases	42	43	$51
94727	Test to determine lung volumes using gas dilution or washout	42	43	$41

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	44	1,800	$38,015
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	18	1,200	$24,276
Albuterol Sulfate Hfa	Albuterol Sulfate	34	1,374	$1,495

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
E0466	Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)	Y	N/R	22	$22,276
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	50	$3,633
E1392	Portable oxygen concentrator, rental	Y	N/R	33	$1,256
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	14	$204
E0570	Nebulizer, with compressor	Y	N/R	20	$57

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	2	$200	United Therapeutics Corporation
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 Abigail Chua, M.D.?

Tedicare shows public-source Medicare data for Abigail Chua, M.D. (NPI 1104188408), 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 Abigail Chua, M.D. have ACO affiliation data?

Abigail Chua, M.D. is shown with ACO affiliation data for Stony Brook ACO, LLC. (MSSP, ACO ID A4830).

What billing organization is linked to Abigail Chua, M.D.?

Abigail Chua, M.D. is linked to STONY BROOK INTERNISTS, UNIVERSITY FACULTY PRACTICE CORPORATION (billing NPI 1104865229) in the available physician profile data.

Does Abigail Chua, M.D. have Open Payments data?

Abigail Chua, M.D. has 2 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.