Allergy/ Immunology
3,982 Medicare Part D prescribers, $1.62B in drug costs.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
3,982
Prescribers
$1.62B
Drug Cost
2,855,779
Claims
$406K
Cost/Provider
75
Opioid Prescribers
2.5%
Avg Opioid Rate
38.9%
Avg Brand %
6
Flagged
🔎 Data Overview
💰
Average brand-name prescribing rate of 38.9% is notably high. While some specialties require brand-name medications without generic alternatives, higher brand rates increase costs to Medicare and patients.
Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.
Top States for Allergy/ Immunology
| # | State | Providers |
|---|---|---|
| 1 | New York | 2 |
| 2 | Virginia | 1 |
| 3 | Michigan | 1 |
| 4 | Illinois | 1 |
| 5 | Kentucky | 1 |
| 6 | Ohio | 1 |
| 7 | Oklahoma | 1 |
| 8 | Connecticut | 1 |
| 9 | Nebraska | 1 |
| 10 | California | 1 |
Flagged Allergy/ Immunology Providers
| Provider | Drug Cost | Risk |
|---|---|---|
| Katherine Carias | $1.8M | 55 |
| Terence Carey | $7.1M | 53 |
| Jeffrey Miller | $1.3M | 36 |
| Teodoro Segura | $275K | 33 |
| Roger Wang | $7.7M | 32 |
| Julian Ambrus | $2.6M | 30 |
Top Allergy/ Immunology Prescribers
| Provider | Claims | Drug Cost |
|---|---|---|
| Rosalia Ayuso | 1,033 | $122K |
| Ahmed Butt | 350 | $110K |
| Julie Hutson | 1,235 | $252K |
| Kevin Lindgren | 463 | $743K |
| Katherine Carias | 20,089 | $1.8M |
| John Panuto | 236 | $39K |
| Terence Carey | N/A | N/A |
| Jeffrey Miller | N/A | N/A |
| Teodoro Segura | N/A | N/A |
| Roger Wang | N/A | N/A |
| Julian Ambrus | N/A | N/A |