Oxcarbazepine

Rank #316 of 500 drugs by total cost

Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026

$35.3M

Total Cost

430,248

Total Claims

$35.3M

Total Cost

13,402

Prescribers

$82

Cost per Claim

31,386

Beneficiaries

575,997

30-Day Fills

$2,631

Avg Cost/Provider

Avg Claims/Provider

Share of Medicare Part D Spending

0.01%

of total Medicare Part D spending

$35.3M of $275.65B

Top 10 prescribers of $35.3M total

#	Provider	Specialty	Location	Claims	Cost
1	Jianfeng Zeng	Neurology	Lumberton, NC	60	$141K
2	Dragos Sabau	Neurology	Indianapolis, IN	40	$117K
3	Maysaa Basha	Neurology	Detroit, MI	82	$113K
4	June Yin	Neurology	Flushing, NY	2,812	$108K
5	Kelley Phillips	Physician Assistant	Kalamazoo, MI	50	$103K
6	Kimberly Konieczki	Nurse Practitioner	Erie, PA	52	$103K
7	Ty Brown	Neurology	Crestview Hills, KY	42	$102K
8	Ignacio Pita Garcia	Neurology	Guaynabo, PR	96	$96K
9	Vaishnav Krishnan	Neurology	Houston, TX	37	$94K
10	Crystal Epley	Nurse Practitioner	Columbus, OH	51	$94K
11	Alice Lam	Neurology	Boston, MA	23	$93K
12	Abrar Al-Faraj	Neurology	Boston, MA	42	$79K
13	Franchette Pascual	Neurology	Seattle, WA	23	$77K
14	Jennifer Irwin	Physician Assistant	Indianapolis, IN	38	$77K
15	Sarita Maturu	Neurology	Columbus, OH	46	$74K

Top prescribers ranked by total cost for this drug in 2023.

#	Drug	Total Cost	Claims
313	Sodium Oxybate (Xyrem)	$35.8M	2,160
314	Lisdexamfetamine Dimesylate (Lisdexamfetamine Dimesylate)	$35.7M	88,692
315	Ketoconazole (Ketoconazole)	$35.4M	1,346,512
316	Oxcarbazepine (Oxcarbazepine)	$35.3M	430,248
317	Trametinib Dimethyl Sulfoxide (Mekinist)	$35.0M	2,448
318	Isosorbide Mononitrate (Isosorbide Mononitrate Er)	$34.5M	1,805,114
319	Clonazepam (Clonazepam)	$34.4M	3,685,968

The 20 drugs that cost Medicare the most.

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Data from CMS Medicare Part D Prescriber-Drug Public Use File, 2023. Methodology