Insulin Nph Human Isophane

Brand name: Humulin N

Rank #271 of 500 drugs by total cost

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

$44.9M

Total Cost

172,714

Total Claims

$44.9M

Total Cost

6,717

Prescribers

$260

Cost per Claim

30,188

Beneficiaries

357,114

30-Day Fills

$6,687

Avg Cost/Provider

Avg Claims/Provider

Share of Medicare Part D Spending

0.02%

of total Medicare Part D spending

$44.9M of $275.65B

Top 10 prescribers of $44.9M total

#	Provider	Specialty	Location	Claims	Cost
1	Ricky Bassi	Endocrinology	Modesto, CA	194	$149K
2	Neil Ravin	Endocrinology	Haverhill, MA	81	$122K
3	Wael Eid	Endocrinology	Covington, KY	78	$91K
4	Carlos Alejandro	General Practice	Guayama, PR	213	$88K
5	K. Thampy	Endocrinology	Saint Louis, MO	52	$86K
6	Ricky Bassi	Endocrinology	Modesto, CA	102	$65K
7	Michel Habashy	Endocrinology	Lady Lake, FL	22	$65K
8	Carlos Martinez Rivera	Endocrinology	Mayaguez, PR	215	$62K
9	Jorge Mendez Colon	General Practice	Moca, PR	226	$61K
10	Luis Llavona	General Practice	Comerio, PR	152	$58K
11	Anna Smith	Nurse Practitioner	Gardena, CA	312	$57K
12	Stephen Phelan	Endocrinology	Pawcatuck, CT	32	$56K
13	James Salem	Endocrinology	Akron, OH	33	$56K
14	Jose Santiago-Torres	General Practice	Arroyo, PR	91	$54K
15	Edward Sianipar	Nurse Practitioner	Apple Valley, CA	91	$53K

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

#	Drug	Total Cost	Claims
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
274	Finasteride (Finasteride)	$44.6M	2,766,115

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