Physician

Rene L Desmarais, M.D.

According to 2025 Medicare claims, Rene Desmarais, M.D. (NPI: 1518942390) practices cardiology in the Salisbury, MD market, with the plurality of this provider's patient population coming from Wicomico, MD. This provider's primary affiliated billing organization is TIDALHEALTH SPECIALTY CARE, LLC (NPI: 1619504735; TIN: 850529460) and primary practice location at 21804-5513.

Desmarais' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,957 traditional Medicare patients, billed 9,758 HCPCS/CPT codes, and received $728,528 in Medicare payments. The top billing code was 93306 (Ultrasound of heart with color-depicted blood flow, rate, direction and valve function). Part D data shows 5,990 prescription claims across 889 beneficiaries totaling $908,367 in drug costs, led by Eliquis (Apixaban). DME data shows 95 claims. Open Payments data shows 3 records totaling $84. 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 up and down with repeated peaks and valleys, starting at $851,329 and ending at $728,528. Concurrently, Part D prescription costs have moved from a lower plateau to a higher plateau, from $312,633 to $908,367. In contrast, DME billing represents a smaller volume and fell sharply in recent years, from $89,513 to $26,412.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	3,168	10,285	$851,329
2016	3,214	9,999	$693,975
2017	2,707	9,624	$850,890
2018	2,693	10,678	$1,183,178
2019	2,300	9,010	$1,028,693
2020	2,028	7,249	$645,815
2021	1,985	7,664	$801,089
2022	2,144	7,939	$811,200
2023	2,015	6,663	$539,976
2024	1,957	9,758	$728,528

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	649	4,346	$312,633
2016	695	4,965	$349,222
2017	807	5,137	$420,629
2018	860	5,745	$499,405
2019	762	5,909	$589,309
2020	932	6,066	$809,015
2021	824	5,774	$875,496
2022	784	5,915	$971,711
2023	902	6,188	$1,109,601
2024	889	5,990	$908,367

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	13	131	$85,562
2016	36	173	$76,928
2017	26	140	$28,533
2018	113	353	$65,394
2019	133	427	$58,499
2020	114	320	$48,044
2021	61	220	$46,911
2022	38	184	$6,607
2023	11	132	$37,332
2024	N/R	95	$4,110

* / # = 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
93306	Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	456	466	$128
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	669	1,080	$87
93015	Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	488	489	$49
93000	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report	623	720	$10
J2785	Injection, regadenoson, 0.1 mg	423	1,692	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	303	18,257	$343,436
Xarelto	Rivaroxaban	188	12,050	$218,756
Entresto	Sacubitril/Valsartan	69	3,815	$84,607
Brilinta	Ticagrelor	42	3,000	$40,204
Repatha Sureclick	Evolocumab	25	1,268	$24,079

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
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	30	$1,299
A7030	Full face mask used with positive airway pressure device, each	N	N/R	13	$1,195
A7031	Face mask interface, replacement for full face mask, each	N	N/R	13	$1,095
A7035	Headgear used with positive airway pressure device	N	N/R	12	$224
E0562	Humidifier, heated, used with positive airway pressure device	Y	N/R	13	$153

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$84	ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
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 Rene L. Desmarais, M.D.?

Tedicare shows public-source Medicare data for Rene L. Desmarais, M.D. (NPI 1518942390), 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 Rene L. Desmarais, M.D. have ACO affiliation data?

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

What billing organization is linked to Rene L. Desmarais, M.D.?

Rene L. Desmarais, M.D. is linked to TIDALHEALTH SPECIALTY CARE, LLC (billing NPI 1619504735) in the available physician profile data.

Does Rene L. Desmarais, M.D. have Open Payments data?

Rene L. Desmarais, M.D. 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.