Internal Medicine, Pulmonary Disease · New Haven, CT
NPI
1104040401
Since 2007
Specialty
Internal Medicine, Pulmonary Disease
Code 207RP1001X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
789 Howard Ave
New Haven, CT, 06519
Phone (203) 785-4198
Groups this clinician bills Medicare through
Medicare paid, 2024
$18K
243 services
Medicare patients, 2024
86
Average age 72
Drug cost, 2024
$2.2M
181 prescriptions
Company payments, 2025
$27.86
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Jonathan Koff was code 94375 (pulmonary function testing), 57 times for 28 patients. In total Jonathan Koff billed 243 services in 20 codes, and Medicare paid $18K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2011-04-22.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 94375 Pulmonary Function Testing | Office | 57 | 28 | $11.06 | $630 |
| 99233 Hospital E&M - Subsequent | Facility | 43 | 30 | $95.15 | $4,092 |
| 99291 Critical Care E&M | Facility | 42 | 20 | $173.36 | $7,281 |
| 99215 Office E&M - Established | Office | 16 | 12 | $105.14 | $1,682 |
| 94729 Pulmonary Function Testing | Office | 13 | 12 | $6.80 | $88.36 |
By year: 2022 $11K for 151 services; 2023 $17K for 185 services; 2024 $18K for 243 services.
Medicare prescription drug claims, 2024
In 2024, the drug Jonathan Koff prescribed most often to Medicare patients was Trikafta (Elexacaftor/Tezacaftor/Ivacaft), with 48 prescriptions and refills. In total Jonathan Koff wrote 181 Medicare prescriptions that cost $2.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Trikafta Elexacaftor/Tezacaftor/Ivacaft | 48 | 67 | 11 | $1.7M |
| Azithromycin Generic | 17 | 39 | Under 11 | $380 |
| Omeprazole Generic | 14 | 18 | Under 11 | $111 |
| Kalydeco Ivacaftor | 14 | 14 | Under 11 | $377K |
Brand drugs: 114 claims; generic drugs: 67 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Jonathan Koff $27.86 ($27.86 in general payments such as food, travel and fees) from 3 companies. The largest payer was Vertex Pharmaceuticals Incorporated with $27.86.
| Company | Payments | Amount |
|---|---|---|
| Vertex Pharmaceuticals Incorporated VRTX | 1 | $27.86 |
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.