Immun Glob G(Igg)/Gly/Iga 0-50
Brand name: Gammaplex
Rank #148 of 500 drugs by total cost
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
$109.6M
Total Cost
7,815
Total Claims
$109.6M
Total Cost
287
Prescribers
$14K
Cost per Claim
58
Beneficiaries
7,947
30-Day Fills
$382K
Avg Cost/Provider
27
Avg Claims/Provider
Share of Medicare Part D Spending
0.04%
of total Medicare Part D spending
$109.6M of $275.65B
Top Prescribers by Cost
Top 10 prescribers of $109.6M total
🔎 Data Overview
At $14,028 per prescription, this is a high-cost medication. Expensive drugs drive Medicare spending growth and create access challenges for patients with coverage gaps.
Average cost of $381,970 per prescriber suggests this drug may be concentrated among specialists. High per-provider spending can sometimes indicate inappropriate prescribing or overly aggressive use.
Average cost of $1,890,091 per patient per year. Medications at this price point significantly impact patient out-of-pocket costs and Medicare spending.
Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.
Top Prescribers of Immun Glob G(Igg)/Gly/Iga 0-50
| # | Provider | Specialty | Location | Claims | Cost |
|---|---|---|---|---|---|
| 1 | Abigail Stocker | Gastroenterology | Louisville, KY | 377 | $7.2M |
| 2 | Nilay Shah | Neurology | Maywood, NJ | 185 | $4.1M |
| 3 | Juliet Jenkins | Neurology | San Francisco, CA | 70 | $1.9M |
| 4 | James Lamb | Neurology | Louisville, KY | 131 | $1.9M |
| 5 | J Watts | Neurology | Albertville, AL | 57 | $1.5M |
| 6 | Terry Heiman-Patterson | Neurology | Philadelphia, PA | 28 | $1.5M |
| 7 | Virendra Ranadive | Neurology | Fayetteville, GA | 59 | $1.2M |
| 8 | Riley Snook | Neurology | Carmel, IN | 90 | $1.2M |
| 9 | Kenkichi Nozaki | Neurology | Birmingham, AL | 81 | $1.2M |
| 10 | Mohamed Kazamel | Neurology | Birmingham, AL | 90 | $1.1M |
| 11 | Abha Mishra | Neurology | Gulfport, MS | 29 | $1.1M |
| 12 | Mohammad Alsharabati | Neurology | Des Moines, IA | 79 | $1.0M |
| 13 | Salman Zubair | Neurology | Oklahoma City, OK | 93 | $1.0M |
| 14 | Samir Macwan | Neurology | Rancho Mirage, CA | 77 | $980K |
| 15 | Antonela Svetic | Neurology | Beavercreek, OH | 48 | $969K |
Top prescribers ranked by total cost for this drug in 2023.
Related Drugs by Cost
| # | Drug | Total Cost | Claims |
|---|---|---|---|
| 145 | Corticotropin (Acthar) | $111.6M | 1,633 |
| 146 | Bupropion Hcl (Bupropion Hcl Sr) | $110.0M | 3,323,724 |
| 147 | Dimethyl Fumarate (Dimethyl Fumarate) | $109.8M | 29,208 |
| 148 | Immun Glob G(Igg)/Gly/Iga 0-50 (Gammaplex) | $109.6M | 7,815 |
| 149 | Mesalamine (Mesalamine) | $109.3M | 176,079 |
| 150 | Axitinib (Inlyta) | $109.1M | 5,937 |
| 151 | Ipratropium/Albuterol Sulfate (Combivent Respimat) | $108.3M | 353,594 |
Related Analysis
Data from CMS Medicare Part D Prescriber-Drug Public Use File, 2023. Methodology