Internal Medicine, Hematology · Los Angeles, CA
NPI
1497174262
Since 2014
Specialty
Internal Medicine, Hematology
Code 207RH0000X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
1441 Eastlake Ave # Nor3470
Los Angeles, CA, 90089
Phone (323) 865-3105
Groups this clinician bills Medicare through
Medicare paid, 2024
$17K
270 services
Medicare patients, 2024
124
Average age 68
Drug cost, 2024
$947K
127 prescriptions
Company payments, 2025
$673
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Caitlin O'Neill was code 99213 (office e&m - established), 81 times for 55 patients. In total Caitlin O'Neill billed 270 services in 15 codes, and Medicare paid $17K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-11-27.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Facility | 81 | 55 | $49.41 | $4,002 |
| 99231 Hospital E&M - Subsequent | Facility | 63 | 27 | $39.86 | $2,511 |
| 99214 Office E&M - Established | Facility | 30 | 19 | $71.88 | $2,157 |
| 99213 Office E&M - Established | Office | 23 | 13 | $54.97 | $1,264 |
| 99204 Office E&M - New | Facility | 22 | 22 | $110.89 | $2,440 |
| 99205 Office E&M - New | Facility | 12 | 12 | $137.42 | $1,649 |
By year: 2022 $15K for 194 services; 2023 $26K for 340 services; 2024 $17K for 270 services.
Medicare prescription drug claims, 2024
In 2024, the drug Caitlin O'Neill prescribed most often to Medicare patients was Eliquis (Apixaban), with 24 prescriptions and refills. In total Caitlin O'Neill wrote 127 Medicare prescriptions that cost $947K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Eliquis Apixaban | 24 | 37 | Under 11 | $22K |
| Doptelet Avatrombopag Maleate | 20 | 20 | Under 11 | $486K |
| Xarelto Rivaroxaban | 14 | 42 | Under 11 | $22K |
| Calquence Acalabrutinib Maleate | 12 | 12 | Under 11 | $186K |
| Warfarin Sodium Generic | 12 | 36 | Under 11 | $285 |
Brand drugs: 86 claims; generic drugs: 41 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Caitlin O'Neill $673 ($673 in general payments such as food, travel and fees) from 7 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $263.
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.