Physician

Leonard Christopher Treanor, M.D.

According to 2025 Medicare claims, Leonard Treanor, M.D. (NPI: 1487823506) practices family practice in the Hammond, LA market, with the plurality of this provider's patient population coming from Tangipahoa, LA. This provider's primary affiliated billing organization is INTERNAL MEDICINE CLINIC OF TANGIPAHOA, LLC (NPI: 1588678494; TIN: 030417452) and primary practice location at 70403-2412. Treanor is affiliated with the Imperium Clinical Partners II, LLC (ACO ID: A5523), participating under the MSSP model.

Treanor's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 756 traditional Medicare patients, billed 6,366 HCPCS/CPT codes, and received $434,318 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 48,811 prescription claims across 1,168 beneficiaries totaling $4,065,844 in drug costs, led by Eliquis (Apixaban). DME data shows 538 claims. Open Payments data shows 83 records totaling $8,182. 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 moved sharply higher in recent years, from $903,555 to $4,065,844. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $24,801 to $79,360.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	605	14,449	$286,351
2016	811	9,953	$367,121
2017	992	14,230	$396,659
2018	1,043	15,926	$440,562
2019	914	10,352	$622,494
2020	857	8,236	$527,876
2021	782	8,397	$578,345
2022	833	8,161	$560,812
2023	704	6,637	$377,036
2024	756	6,366	$434,318

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	498	13,977	$903,555
2016	602	17,149	$1,227,381
2017	686	18,248	$1,316,366
2018	886	23,208	$1,494,846
2019	880	26,928	$1,554,014
2020	862	26,640	$1,750,796
2021	997	31,956	$2,223,065
2022	1,200	43,228	$3,248,682
2023	1,193	47,428	$3,713,715
2024	1,168	48,811	$4,065,844

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	79	381	$15,148
2016	73	588	$88,452
2017	45	451	$13,937
2018	65	532	$16,500
2019	48	551	$23,022
2020	67	602	$62,657
2021	93	659	$71,842
2022	354	1,507	$194,286
2023	333	1,423	$308,765
2024	132	538	$69,069

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	175	284	$81
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	155	658	$62
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	198	315	$59
99308	Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more	304	1,602	$51
G0446	Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	142	142	$25

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	1,301	24,924	$507,833
Ingrezza	Valbenazine Tosylate	75	1,039	$277,985
Farxiga	Dapagliflozin Propanediol	510	10,661	$211,034
Linzess	Linaclotide	287	9,690	$178,774
Ozempic	Semaglutide	166	5,560	$171,180

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
A6021	Collagen dressing, sterile, size 16 sq. in. or less, each	N	19	34	$11,022
A6010	Collagen based wound filler, dry form, sterile, per gram of collagen	N	12	13	$10,059
A6196	Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing	N	21	40	$9,737
B4154	Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	28	$9,643
B4035	Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape	N	N/R	60	$9,041

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	83	$8,182	AstraZeneca Pharmaceuticals LP
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 Leonard Christopher Treanor, M.D.?

Tedicare shows public-source Medicare data for Leonard Christopher Treanor, M.D. (NPI 1487823506), 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 Leonard Christopher Treanor, M.D. have ACO affiliation data?

Leonard Christopher Treanor, M.D. is shown with ACO affiliation data for Imperium Clinical Partners II, LLC (MSSP, ACO ID A5523).

What billing organization is linked to Leonard Christopher Treanor, M.D.?

Leonard Christopher Treanor, M.D. is linked to INTERNAL MEDICINE CLINIC OF TANGIPAHOA, LLC (billing NPI 1588678494) in the available physician profile data.

Does Leonard Christopher Treanor, M.D. have Open Payments data?

Leonard Christopher Treanor, M.D. has 83 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.