Physician

Alexander Ong Liu, MD

According to 2025 Medicare claims, Alexander Liu, MD (NPI: 1710920038) practices internal medicine in the Homosassa Springs, FL market, with the plurality of this provider's patient population coming from Citrus, FL. This provider's primary affiliated billing organization is ALEXANDER O. LIU JR., M.D., P.A. (NPI: 1265747067) and primary practice location at 34465-3253. Liu is affiliated with the 'N HEALTH NETWORK PARTNERS, LLC (ACO ID: D0347), participating under the REACH model.

Liu's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 236 traditional Medicare patients, billed 1,862 HCPCS/CPT codes, and received $109,320 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 4,377 prescription claims across 292 beneficiaries totaling $440,940 in drug costs, led by Ozempic (Semaglutide). DME data shows 329 claims. Open Payments data shows 6 records totaling $358. 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 moved from a higher plateau to a lower plateau, from $330,750 to $109,320. Similarly, Part D prescription costs have declined steadily, from $654,391 to $440,940. In contrast, DME billing represents a smaller volume and declined steadily, from $40,563 to $12,735.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	639	6,227	$330,750
2016	607	5,505	$292,157
2017	583	5,117	$249,031
2018	490	4,549	$224,642
2019	484	4,010	$210,365
2020	408	3,217	$159,930
2021	339	2,565	$149,790
2022	309	2,485	$140,003
2023	242	2,083	$129,197
2024	236	1,862	$109,320

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	424	7,756	$654,391
2016	429	8,135	$678,528
2017	419	7,382	$709,842
2018	374	6,766	$669,454
2019	339	6,264	$594,628
2020	325	6,139	$606,216
2021	304	5,229	$519,404
2022	292	4,654	$467,666
2023	283	4,408	$480,273
2024	292	4,377	$440,940

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	268	856	$37,394
2016	263	795	$23,054
2017	212	697	$15,994
2018	150	644	$17,180
2019	122	574	$15,863
2020	91	573	$19,783
2021	95	434	$15,091
2022	86	388	$12,621
2023	74	351	$14,510
2024	50	329	$9,626

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	169	169	$126
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	166	389	$97
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	188	400	$65
G0444	Annual depression screening, 5 to 15 minutes	168	168	$18
36415	Insertion of needle into vein for collection of blood sample	191	570	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	33	1,430	$37,265
Eliquis	Apixaban	40	2,012	$35,717
Xarelto	Rivaroxaban	24	1,372	$24,876
Jardiance	Empagliflozin	15	1,290	$24,533
Januvia	Sitagliptin Phosphate	22	1,260	$23,460

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	36	$2,279
A7030	Full face mask used with positive airway pressure device, each	N	N/R	24	$1,567
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	45	$1,307
A7031	Face mask interface, replacement for full face mask, each	N	N/R	18	$1,261
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	N/R	19	$879

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	6	$358	Bayer Healthcare Pharmaceuticals 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 Alexander Ong Liu, MD?

Tedicare shows public-source Medicare data for Alexander Ong Liu, MD (NPI 1710920038), 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 Alexander Ong Liu, MD have ACO affiliation data?

Alexander Ong Liu, MD is shown with ACO affiliation data for 'N HEALTH NETWORK PARTNERS, LLC (REACH, ACO ID D0347).

What billing organization is linked to Alexander Ong Liu, MD?

Alexander Ong Liu, MD is linked to ALEXANDER O. LIU JR., M.D., P.A. (billing NPI 1265747067) in the available physician profile data.

Does Alexander Ong Liu, MD have Open Payments data?

Alexander Ong Liu, MD has 6 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.