Memantine Hcl

Rank #140 of 500 drugs by total cost

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

$117.5M

Total Cost

2,268,098

Total Claims

$117.5M

Total Cost

42,973

Prescribers

$52

Cost per Claim

329,165

Beneficiaries

3,377,638

30-Day Fills

$2,735

Avg Cost/Provider

Avg Claims/Provider

Share of Medicare Part D Spending

0.04%

of total Medicare Part D spending

$117.5M of $275.65B

Top 10 prescribers of $117.5M total

#	Provider	Specialty	Location	Claims	Cost
1	Daniel Chang	Neurology	Los Angeles, CA	2,262	$635K
2	Sang Baik	Internal Medicine	Los Angeles, CA	629	$272K
3	Bosheng Qiu	Internal Medicine	Alhambra, CA	984	$186K
4	Vlad Nusinovich	Internal Medicine	West Hollywood, CA	609	$175K
5	Arutyun Topsakalyan	General Practice	Glendale, CA	896	$172K
6	Robert Morton	Psychiatry	Ada, OK	2,586	$172K
7	Gennadiy Goldvekht	Nurse Practitioner	Brooklyn, NY	896	$164K
8	Elvira Kamenetsky	Neurology	Brooklyn, NY	795	$154K
9	Valentin Bragin	Psychiatry & Neurology	Brooklyn, NY	857	$152K
10	Teresa Castro Ponce	Neurology	Guaynabo, PR	1,305	$144K
11	Anahit Blikian	General Practice	Glendale, CA	834	$139K
12	Terence Frinks	Family Practice	Tucker, GA	3,255	$137K
13	Jung Bae	Internal Medicine	Los Angeles, CA	534	$132K
14	Hector Santos	Neurology	Carolina, PR	835	$129K
15	Marina Neystat	Neurology	Forest Hills, NY	708	$125K

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

#	Drug	Total Cost	Claims
137	Insulin Regular, Human (Afrezza)	$119.4M	143,017
138	Ezetimibe (Ezetimibe)	$118.1M	2,859,001
139	Ambrisentan (Ambrisentan)	$117.7M	23,927
140	Memantine Hcl (Memantine Hcl)	$117.5M	2,268,098
141	Estradiol (Estradiol)	$115.7M	1,412,386
142	Vortioxetine Hydrobromide (Trintellix)	$113.9M	197,873
143	Asfotase Alfa (Strensiq)	$113.8M	1,142

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