Isosorbide Mononitrate
Brand name: Isosorbide Mononitrate Er
Rank #318 of 500 drugs by total cost
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
$34.5M
Total Cost
1,805,114
Total Claims
$34.5M
Total Cost
43,410
Prescribers
$19
Cost per Claim
361,116
Beneficiaries
3,860,712
30-Day Fills
$795
Avg Cost/Provider
42
Avg Claims/Provider
Share of Medicare Part D Spending
0.01%
of total Medicare Part D spending
$34.5M of $275.65B
Top Prescribers by Cost
Top 10 prescribers of $34.5M total
🔎 Data Overview
At $19.00 per prescription, this is an affordable generic medication. Wider use of affordable generics like this could save Medicare billions annually.
Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.
Top Prescribers of Isosorbide Mononitrate
| # | Provider | Specialty | Location | Claims | Cost |
|---|---|---|---|---|---|
| 1 | Patrick Tobbia | Cardiology | Little Rock, AR | 1,240 | $57K |
| 2 | Shahid Khan | Cardiology | Memphis, TN | 1,618 | $41K |
| 3 | Prakash Shah | Cardiology | Milwaukee, WI | 1,561 | $38K |
| 4 | Tao Duong | Cardiology | Westminster, CA | 950 | $34K |
| 5 | Henry Yee | Cardiology | Alhambra, CA | 962 | $32K |
| 6 | Christopher Centafont | Cardiology | Dothan, AL | 757 | $30K |
| 7 | Gary Spektor | Cardiology | Brooklyn, NY | 605 | $29K |
| 8 | Abdrhman Hamo | Cardiology | Beckley, WV | 905 | $27K |
| 9 | David Evans | Cardiology | Searcy, AR | 1,262 | $26K |
| 10 | Dannis Hood | Interventional Cardiology | Ringgold, GA | 1,020 | $22K |
| 11 | Angel Mulkay | Cardiology | Hackensack, NJ | 521 | $22K |
| 12 | Mohammad Ghani | Interventional Cardiology | Oklahoma City, OK | 887 | $19K |
| 13 | Dajun Wang | Interventional Cardiology | Mount Pleasant, WI | 745 | $18K |
| 14 | William Ladd | Cardiology | Houma, LA | 901 | $18K |
| 15 | Christopher Longnecker | Cardiology | Joplin, MO | 922 | $17K |
Top prescribers ranked by total cost for this drug in 2023.
Related Drugs by Cost
| # | Drug | Total Cost | Claims |
|---|---|---|---|
| 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 |
| 320 | Tolvaptan (Jynarque) | $34.4M | 2,760 |
| 321 | Dalfampridine (Dalfampridine Er) | $34.1M | 40,425 |
Related Analysis
Data from CMS Medicare Part D Prescriber-Drug Public Use File, 2023. Methodology