Amantadine Hcl

Brand name: Amantadine

Rank #270 of 500 drugs by total cost

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

$45.2M

Total Cost

173,840

Total Claims

$45.2M

Total Cost

6,009

Prescribers

$260

Cost per Claim

17,808

Beneficiaries

252,270

30-Day Fills

$7,525

Avg Cost/Provider

Avg Claims/Provider

Share of Medicare Part D Spending

0.02%

of total Medicare Part D spending

$45.2M of $275.65B

Top 10 prescribers of $45.2M total

#	Provider	Specialty	Location	Claims	Cost
1	Andres Deik Acosta Madiedo	Neurology	Philadelphia, PA	230	$752K
2	Rajesh Pahwa	Neurology	Kansas City, KS	222	$752K
3	Cenk Sengun	Neurology	Boca Raton, FL	114	$575K
4	Martha Mcgraw	Neurology	Winfield, IL	137	$545K
5	Ramsey Falconer	Neurology	Alexandria, VA	125	$517K
6	Danielle Englert Doggett	Neurology	Charlotte, NC	160	$496K
7	Kathleen Woschkolup	Neurology	Greenville, SC	147	$484K
8	Guy Schwartz	Neurology	East Setauket, NY	199	$481K
9	Catherine Claro	Nurse Practitioner	New York, NY	128	$458K
10	Sanjay Iyer	Neurology	Charlotte, NC	138	$434K
11	Daniel Kremens	Neurology	Philadelphia, PA	111	$390K
12	Jessica Lawton	Physician Assistant	Mystic, CT	158	$366K
13	Stuart Isaacson	Neurology	Boca Raton, FL	97	$347K
14	Sherrie Gould	Nurse Practitioner	La Jolla, CA	102	$343K
15	Sotirios Parashos	Neurology	St Louis Park, MN	108	$302K

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

#	Drug	Total Cost	Claims
267	C1 Esterase Inhibitor (Haegarda)	$45.8M	894
268	Alectinib Hcl (Alecensa)	$45.7M	2,686
269	Ipratropium Bromide (Ipratropium Bromide)	$45.4M	656,249
270	Amantadine Hcl (Amantadine)	$45.2M	173,840
271	Insulin Nph Human Isophane (Humulin N)	$44.9M	172,714
272	Bosutinib (Bosulif)	$44.9M	2,962
273	Tramadol Hcl (Tramadol Hcl)	$44.9M	5,226,406

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