Physician

Alexander Leung, MD

According to 2025 Medicare claims, Alexander Leung, MD (NPI: 1447593637) practices thoracic surgery in the Riverside-San Bernardino-Ontario, CA market, with the plurality of this provider's patient population coming from San Bernardino, CA. This provider's primary affiliated billing organization is FACULTY PHYSICIANS AND SURGEONS OF LLUSM (NPI: 1265686109; TIN: 330672915) and primary practice location at 92354-2804.

Leung's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 110 traditional Medicare patients, billed 299 HCPCS/CPT codes, and received $65,818 in Medicare payments. The top billing code was 32674 (Removal of lymph nodes of chest cavity using an endoscope). Part D data shows 52 prescription claims across 25 beneficiaries totaling $1,968 in drug costs, led by Gabapentin (Gabapentin). Open Payments data shows 4 records totaling $273. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $3,108 and ending at $1,968. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

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	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	27	64	$13,803
2023	98	293	$57,576
2024	110	299	$65,818

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	37	55	$3,108
2016	35	63	$2,946
2017	43	67	$3,812
2018	15	23	$2,250
2019	22	36	$300
2020	18	37	$482
2021	16	36	$299
2022	N/R	N/R	N/R
2023	39	105	$10,579
2024	25	52	$1,968

DME Billing Trend

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

No connected DME records

* / # = 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
32674	Removal of lymph nodes of chest cavity using an endoscope	12	12	$174
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	14	$77
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	24	29	$76
99221	Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes	32	34	$69
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	49	$66

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Gabapentin	Gabapentin	16	301	$75

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	4	$273	Baxter Healthcare
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 Leung, MD?

Tedicare shows public-source Medicare data for Alexander Leung, MD (NPI 1447593637), 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 Leung, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Alexander Leung, MD?

Alexander Leung, MD is linked to FACULTY PHYSICIANS AND SURGEONS OF LLUSM (billing NPI 1265686109) in the available physician profile data.

Does Alexander Leung, MD have Open Payments data?

Alexander Leung, MD has 4 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.