Internal Medicine, Pulmonary Disease · Derby, CT
NPI
1932130259
Since 2006
Specialty
Internal Medicine, Pulmonary Disease
Code 207RP1001X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
130 Division St
Derby, CT, 06418
Phone (203) 732-1330
Groups this clinician bills Medicare through
Medicare paid, 2024
$103K
1,122 services
Medicare patients, 2024
361
Average age 73
Drug cost, 2024
$1.1M
2,939 prescriptions
Company payments, 2025
$520
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Kathleen M Chaisson was code 99214 (office e&m - established), 342 times for 177 patients. In total Kathleen M Chaisson billed 1,122 services in 17 codes, and Medicare paid $103K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-05-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 342 | 177 | $90.71 | $31K |
| 99291 Critical Care E&M | Facility | 164 | 43 | $160.72 | $26K |
| 99232 Hospital E&M - Subsequent | Facility | 133 | 51 | $60.73 | $8,078 |
| 99213 Office E&M - Established | Office | 72 | 60 | $65.19 | $4,693 |
| 95810 Sleep Study | Facility | 59 | 58 | $83.77 | $4,942 |
| 99292 Critical Care E&M | Facility | 54 | 34 | $83.53 | $4,511 |
| 94375 Pulmonary Function Testing | Office | 50 | 45 | $29.83 | $1,491 |
| 99223 Hospital E&M - Initial | Facility | 47 | 40 | $128.59 | $6,044 |
| 99233 Hospital E&M - Subsequent | Facility | 39 | 30 | $92.24 | $3,597 |
| 95811 Sleep Study | Facility | 38 | 36 | $87.87 | $3,339 |
| 95806 Sleep Study | Office | 21 | 21 | $29.83 | $626 |
By year: 2022 $124K for 1,273 services; 2023 $108K for 1,242 services; 2024 $103K for 1,122 services.
Medicare prescription drug claims, 2024
In 2024, the drug Kathleen M Chaisson prescribed most often to Medicare patients was Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter), with 553 prescriptions and refills. In total Kathleen M Chaisson wrote 2,939 Medicare prescriptions that cost $1.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Trelegy Ellipta Fluticasone/Umeclidin/Vilanter | 553 | 714 | 94 | $461K |
| Albuterol Sulfate Hfa Albuterol Sulfate | 455 | 561 | 129 | $10K |
| Prednisone Generic | 229 | 256 | 82 | $794 |
| Fluticasone Propionate Generic | 177 | 305 | 56 | $2,846 |
| Montelukast Sodium Generic | 173 | 379 | 38 | $1,613 |
| Breo Ellipta Fluticasone/Vilanterol | 95 | 119 | 15 | $47K |
| Trazodone Hcl Generic | 94 | 182 | 21 | $643 |
| Azithromycin Generic | 92 | 103 | 59 | $440 |
| Breztri Aerosphere Budesonide/Glycopyr/Formoterol | 82 | 86 | 14 | $52K |
| Symbicort Budesonide/Formoterol Fumarate | 67 | 101 | 14 | $22K |
| Omeprazole Generic | 58 | 109 | 18 | $581 |
| Budesonide-Formoterol Fumarate Budesonide/Formoterol Fumarate | 57 | 81 | 14 | $12K |
| Ropinirole Hcl Generic | 50 | 113 | Under 11 | $611 |
| Ventolin Hfa Albuterol Sulfate | 48 | 57 | 13 | $3,530 |
| Stiolto Respimat Tiotropium Br/Olodaterol Hcl | 44 | 69 | Under 11 | $34K |
Brand drugs: 1,372 claims; generic drugs: 1,567 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Kathleen M Chaisson $520 ($520 in general payments such as food, travel and fees) from 4 companies. The largest payer was GlaxoSmithKline, LLC. with $285.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.