Internal Medicine, Hematology & Oncology · West Covina, CA
NPI
1326023979
Since 2005
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
1135 S Sunset Ave, Suite # 207
West Covina, CA, 91790
Phone (626) 338-9560
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.3M
83,885 services
Medicare patients, 2024
236
Average age 70
Drug cost, 2024
$3.6M
3,059 prescriptions
Company payments, 2025
$6,218
From 49 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Brian J Leberthon was code J0897 (injection, denosumab, 1 mg), 4,320 times for 46 patients. In total Brian J Leberthon billed 83,885 services in 87 codes, and Medicare paid $1.3M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-12-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 4,320 | 46 | $15.50 | $67K |
| 99215 Office E&M - Established | Office | 1,080 | 218 | $150.85 | $163K |
| G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Office | 784 | 143 | $27.52 | $22K |
| 96361 Intravenous Infusion, Hydration | Office | 461 | 22 | $10.97 | $5,055 |
| 96366 Intravenous Infusion, Hydration | Office | 421 | 21 | $18.22 | $7,670 |
| J7050 Infusion, normal saline solution, 250 cc | Office | 265 | 15 | $0.50 | $132 |
| 96372 Injection Administration | Office | 257 | 58 | $12.77 | $3,281 |
| 96367 Intravenous Infusion, Hydration | Office | 217 | 26 | $25.71 | $5,579 |
| 96413 Chemotherapy Administration | Office | 203 | 23 | $120.61 | $24K |
| 96365 Intravenous Infusion, Hydration | Office | 181 | 24 | $57.26 | $10K |
| J1200 Injection, diphenhydramine hcl, up to 50 mg | Office | 156 | 23 | $0.54 | $84.1 |
| 96415 Chemotherapy Administration | Office | 137 | 16 | $25.29 | $3,465 |
| J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit) | Office | 45 | 11 | $1.03 | $46.4 |
| 96360 Intravenous Infusion, Hydration | Office | 39 | 14 | $28.57 | $1,114 |
| 99214 Office E&M - Established | Office | 39 | 29 | $100.98 | $3,938 |
By year: 2022 $1.5M for 86,415 services; 2023 $1.3M for 90,264 services; 2024 $1.3M for 83,885 services.
Medicare prescription drug claims, 2024
In 2024, the drug Brian J Leberthon prescribed most often to Medicare patients was Pantoprazole Sodium, with 158 prescriptions and refills. In total Brian J Leberthon wrote 3,059 Medicare prescriptions that cost $3.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 158 | 218 | 50 | $1,158 |
| Omeprazole Generic | 106 | 131 | 18 | $642 |
| Levothyroxine Sodium Generic | 89 | 124 | 23 | $587 |
| Eliquis Apixaban | 87 | 98 | 17 | $57K |
| Amlodipine Besylate Generic | 78 | 138 | 16 | $207 |
| Anastrozole Generic | 76 | 120 | 16 | $1,000 |
| Tamoxifen Citrate Generic | 73 | 120 | 14 | $1,408 |
| Sertraline Hcl Generic | 72 | 80 | 15 | $174 |
| Atorvastatin Calcium Generic | 68 | 113 | 16 | $253 |
| Gabapentin Generic | 63 | 76 | 25 | $1,403 |
| Alendronate Sodium Generic | 62 | 118 | 15 | $334 |
| Octagam Immun Globg(Igg)/Malt/Iga Ov50 | 60 | 60 | Under 11 | $322K |
| Tamsulosin Hcl Generic | 48 | 76 | 11 | $258 |
| Trazodone Hcl Generic | 47 | 57 | Under 11 | $158 |
| Ibuprofen Generic | 47 | 49 | 18 | $248 |
Brand drugs: 694 claims; generic drugs: 2,354 claims; opioid claims: 26.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Brian J Leberthon $6,218 ($6,218 in general payments such as food, travel and fees) from 49 companies. The largest payer was Janssen Biotech, Inc. with $970.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 38 | $970 |
| AstraZeneca Pharmaceuticals LP AZN | 30 | $839 |
| Pfizer Inc. PFE | 19 | $305 |
| Incyte Corporation INCY | 12 | $297 |
| Novartis Pharmaceuticals Corporation NVS | 12 | $252 |
| Daiichi Sankyo Inc. 4568.T | 14 | $249 |
| GlaxoSmithKline, LLC. GSK | 7 | $207 |
| Gilead Sciences, Inc. GILD | 9 | $205 |
| Merck Sharp & Dohme LLC MRK | 8 | $203 |
| Amgen Inc. AMGN | 3 | $174 |
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.