Lamotrigine

Rank #177 of 500 drugs by total cost

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

$89.0M

Total Cost

1,603,798

Total Claims

$89.0M

Total Cost

35,357

Prescribers

$55

Cost per Claim

177,029

Beneficiaries

2,422,948

30-Day Fills

$2,516

Avg Cost/Provider

Avg Claims/Provider

Share of Medicare Part D Spending

0.03%

of total Medicare Part D spending

$89.0M of $275.65B

Top 10 prescribers of $89.0M total

#	Provider	Specialty	Location	Claims	Cost
1	Andrew Zillgitt	Neurology	Garden City, MI	98	$427K
2	Deborah Zielinski	Nurse Practitioner	Chicago, IL	164	$375K
3	Jessica Locke	Nurse Practitioner	Gainesville, FL	110	$352K
4	Patricia Melville	Nurse Practitioner	East Setauket, NY	112	$337K
5	David Ficker	Neurology	Cincinnati, OH	80	$277K
6	Ignacio Pita Garcia	Neurology	Guaynabo, PR	158	$272K
7	Bethany Thomas	Nurse Practitioner	Philadelphia, PA	89	$265K
8	Jessica Locke	Nurse Practitioner	Gainesville, FL	97	$263K
9	Scott Scheuermann	Nurse Practitioner	Gainesville, FL	128	$248K
10	Kimberly Konieczki	Nurse Practitioner	Erie, PA	71	$245K
11	Olga Taraschenko	Neurology	Omaha, NE	96	$244K
12	Patricia Rogers	Nurse Practitioner	Rochester, NY	111	$244K
13	Hannah Rockett	Nurse Practitioner	Seattle, WA	93	$238K
14	Michael Doherty	Neurology	Seattle, WA	57	$236K
15	Stephan Eisenschenk	Neurology	Gainesville, FL	39	$233K

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

#	Drug	Total Cost	Claims
174	Mepolizumab (Nucala)	$90.1M	20,798
175	Finerenone (Kerendia)	$89.5M	93,151
176	Ixazomib Citrate (Ninlaro)	$89.0M	6,901
177	Lamotrigine (Lamotrigine)	$89.0M	1,603,798
178	Insulin Aspart Prot/Insuln Asp (Novolog Mix 70-30 Flexpen)	$88.8M	79,814
179	Teduglutide (Gattex)	$88.4M	1,758
180	Galcanezumab-Gnlm (Emgality Pen)	$87.0M	101,221

The 20 drugs that cost Medicare the most.

Why some providers resist cheaper generics.

How pharmacy benefit managers drive up drug prices.

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