Physician

Donald Severinus Gervais, M.D.

According to 2025 Medicare claims, Donald Gervais, M.D. (NPI: 1750387676) practices neurology in the Houma-Bayou Cane-Thibodaux, LA market, with the plurality of this provider's patient population coming from Terrebonne, LA. This provider's primary affiliated billing organization is SOUTHEAST NEUROSCIENCE CENTER, LLC (NPI: 1285630129; TIN: 72-1377671) and primary practice location at 70359-5209.

Gervais' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 596 traditional Medicare patients, billed 8,477 HCPCS/CPT codes, and received $331,262 in Medicare payments. The top billing code was 95912 (Nerve conduction, 11-12 studies). Part D data shows 7,788 prescription claims across 800 beneficiaries totaling $1,821,096 in drug costs, led by Gamunex-C (Immune Globul G/Gly/Iga Avg 46). 2020 DME data shows 45 claims. Open Payments data shows 149 records totaling $8,298. 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 fallen sharply in recent years, from $768,105 to $331,262. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. In contrast, DME billing represents a smaller volume and fell sharply in recent years, from $16,415 to $1,831.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	1,223	17,403	$768,105
2016	1,301	18,619	$793,679
2017	1,322	18,768	$820,235
2018	1,186	20,436	$704,722
2019	1,069	18,116	$726,968
2020	770	18,032	$608,466
2021	700	12,982	$551,017
2022	664	12,482	$493,080
2023	505	12,183	$323,098
2024	596	8,477	$331,262

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	532	4,857	$1,011,663
2016	661	5,713	$1,110,654
2017	724	6,805	$1,304,365
2018	690	6,015	$2,153,297
2019	695	5,808	$2,400,723
2020	702	6,924	$2,175,254
2021	716	6,510	$1,644,510
2022	761	6,755	$1,727,480
2023	806	7,360	$1,655,860
2024	800	7,788	$1,821,096

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	79	227	$13,089
2016	72	117	$13,222
2017	66	140	$12,684
2018	49	156	$9,242
2019	17	72	$2,455
2020	18	45	$2,231
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

* / # = 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
95912	Nerve conduction, 11-12 studies	160	227	$160
95938	Placement of skin electrodes and measurement of stimulated sites on arms and legs	300	305	$103
95886	Needle measurement of electrical activity in arm or leg muscles, complete study	168	473	$62
95955	Measurement of brain wave activity (eeg) outside the brain during surgery	198	203	$39
G0453	Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure)	173	1,083	$24

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Gamunex-C	Immune Globul G/Gly/Iga Avg 46	24	594	$477,377
Gammagard Liquid	Immun Glob G(Igg)/Gly/Iga Ov50	30	856	$199,025
Ubrelvy	Ubrogepant	73	1,811	$100,822
Ingrezza	Valbenazine Tosylate	11	330	$94,525
Aptiom	Eslicarbazepine Acetate	57	1,710	$91,285

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.	149	$8,298	ABBVIE 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 Donald Severinus Gervais, M.D.?

Tedicare shows public-source Medicare data for Donald Severinus Gervais, M.D. (NPI 1750387676), 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 Donald Severinus Gervais, 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 Donald Severinus Gervais, M.D.?

Donald Severinus Gervais, M.D. is linked to SOUTHEAST NEUROSCIENCE CENTER, LLC (billing NPI 1285630129) in the available physician profile data.

Does Donald Severinus Gervais, M.D. have Open Payments data?

Donald Severinus Gervais, M.D. has 149 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.