Internal Medicine, Hematology & Oncology · Newport Beach, CA
NPI
1568540193
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
520 Superior Ave, Suite 300
Newport Beach, CA, 92663
Phone (949) 646-6441
Groups this clinician bills Medicare through
Medicare paid, 2024
$446K
7,640 services
Medicare patients, 2024
1,503
Average age 77
Drug cost, 2024
$4.4M
2,712 prescriptions
Company payments, 2025
$29.08
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Louis A Vandermolen was code 99213 (office e&m - established), 5,704 times for 1,439 patients. In total Louis A Vandermolen billed 7,640 services in 15 codes, and Medicare paid $446K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-08-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 5,704 | 1,439 | $50.01 | $285K |
| 99214 Office E&M - Established | Office | 1,304 | 457 | $77.99 | $102K |
| 99232 Hospital E&M - Subsequent | Facility | 235 | 50 | $63.58 | $15K |
| 99205 Office E&M - New | Office | 117 | 117 | $145.52 | $17K |
| 99215 Office E&M - Established | Office | 75 | 58 | $116.78 | $8,759 |
| 99223 Hospital E&M - Initial | Facility | 59 | 45 | $143.61 | $8,473 |
| 38222 Other Organ Systems | Office | 37 | 34 | $60.42 | $2,236 |
| 99443 Telephone Services | Office | 30 | 20 | $68.61 | $2,058 |
| 99212 Office E&M - Established | Office | 22 | 12 | $27.92 | $614 |
| 99233 Hospital E&M - Subsequent | Facility | 19 | 15 | $94.63 | $1,798 |
By year: 2022 $399K for 6,662 services; 2023 $440K for 7,497 services; 2024 $446K for 7,640 services.
Medicare prescription drug claims, 2024
In 2024, the drug Louis A Vandermolen prescribed most often to Medicare patients was Anastrozole, with 901 prescriptions and refills. In total Louis A Vandermolen wrote 2,712 Medicare prescriptions that cost $4.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 901 | 2,300 | 245 | $18K |
| Tamoxifen Citrate Generic | 162 | 392 | 50 | $3,692 |
| Eliquis Apixaban | 111 | 121 | 24 | $70K |
| Ibrance Palbociclib | 107 | 109 | 16 | $1.7M |
| Exemestane Generic | 85 | 197 | 27 | $13K |
| Prednisone Generic | 64 | 92 | 19 | $405 |
| Ondansetron Hcl Generic | 64 | 64 | 30 | $956 |
| Gabapentin Generic | 47 | 55 | Under 11 | $535 |
| Warfarin Sodium Generic | 47 | 116 | Under 11 | $910 |
| Pantoprazole Sodium Generic | 43 | 64 | Under 11 | $481 |
| Imatinib Mesylate Generic | 41 | 41 | Under 11 | $36K |
| Xarelto Rivaroxaban | 40 | 58 | Under 11 | $31K |
| Alendronate Sodium Generic | 40 | 85 | Under 11 | $205 |
| Venlafaxine Hcl Er Venlafaxine Hcl | 36 | 50 | Under 11 | $201 |
| Levothyroxine Sodium Generic | 33 | 67 | Under 11 | $171 |
Brand drugs: 458 claims; generic drugs: 2,254 claims; opioid claims: 36.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Louis A Vandermolen $29.08 ($29.08 in general payments such as food, travel and fees) from 1 company. The largest payer was Tempus AI, Inc with $29.08.
| Company | Payments | Amount |
|---|---|---|
| Tempus AI, Inc TEM | 1 | $29.08 |
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.