Internal Medicine, Hematology & Oncology · Los Angeles, CA
NPI
1023043189
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
520 S Virgil Ave Ste 306
Los Angeles, CA, 90020
Phone (213) 277-1700
Groups this clinician bills Medicare through
Medicare paid, 2024
$212K
5,066 services
Medicare patients, 2024
261
Average age 80
Drug cost, 2024
$4.2M
1,611 prescriptions
Company payments, 2025
$6,244
From 40 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Clan H Hahn was code 99214 (office e&m - established), 745 times for 161 patients. In total Clan H Hahn billed 5,066 services in 38 codes, and Medicare paid $212K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-07-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 745 | 161 | $102.41 | $76K |
| 99233 Hospital E&M - Subsequent | Facility | 737 | 97 | $97.40 | $72K |
| 36415 Venipuncture Blood Collection | Office | 496 | 141 | $8.65 | $4,290 |
| 96375 Injection Administration | Office | 179 | 13 | $13.76 | $2,463 |
| 99223 Hospital E&M - Initial | Facility | 132 | 100 | $141.54 | $19K |
| 96372 Injection Administration | Office | 126 | 18 | $12.26 | $1,545 |
| 96361 Intravenous Infusion, Hydration | Office | 105 | 17 | $10.99 | $1,154 |
| 96413 Chemotherapy Administration | Office | 95 | 15 | $117.31 | $11K |
| J7050 Infusion, normal saline solution, 250 cc | Office | 84 | 12 | $0.52 | $43.46 |
| 99204 Office E&M - New | Office | 70 | 70 | $121.39 | $8,497 |
By year: 2022 $208K for 5,672 services; 2023 $290K for 17,001 services; 2024 $212K for 5,066 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 496 | 141 | $8.65 | $4,290 |
Medicare prescription drug claims, 2024
In 2024, the drug Clan H Hahn prescribed most often to Medicare patients was Anastrozole, with 94 prescriptions and refills. In total Clan H Hahn wrote 1,611 Medicare prescriptions that cost $4.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 94 | 203 | 24 | $1,213 |
| Ondansetron Odt Ondansetron | 86 | 86 | 52 | $1,848 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 57 | 57 | 25 | $515 |
| Procrit Epoetin Alfa | 52 | 52 | 12 | $177K |
| Dexamethasone Generic | 50 | 52 | 19 | $496 |
| Diphenhydramine Hcl Generic | 47 | 47 | 12 | $102 |
| Dexamethasone Sodium Phosphate Generic | 45 | 45 | 12 | $142 |
| Famotidine Famotidine/Pf | 42 | 42 | 11 | $76.37 |
| Hydroxyurea Generic | 40 | 64 | Under 11 | $770 |
| Retacrit Epoetin Alfa-Epbx | 34 | 34 | Under 11 | $45K |
| Granisetron Hcl Granisetron Hcl/Pf | 32 | 32 | Under 11 | $848 |
| Pantoprazole Sodium Generic | 32 | 46 | 11 | $427 |
| Prednisone Generic | 30 | 30 | 14 | $65.35 |
| Metoclopramide Hcl Generic | 30 | 30 | 14 | $72.29 |
| Letrozole Generic | 30 | 63 | Under 11 | $498 |
Brand drugs: 492 claims; generic drugs: 1,119 claims; opioid claims: 72.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Clan H Hahn $6,244 ($6,244 in general payments such as food, travel and fees) from 40 companies. The largest payer was Novartis Pharmaceuticals Corporation with $829.
| Company | Payments | Amount |
|---|---|---|
| Novartis Pharmaceuticals Corporation NVS | 17 | $829 |
| Genzyme Corporation SNY | 12 | $522 |
| Celgene Corporation BMY | 27 | $481 |
| Pfizer Inc. PFE | 24 | $415 |
| E.R. Squibb & Sons, L.L.C. BMY | 24 | $391 |
| AstraZeneca Pharmaceuticals LP AZN | 13 | $357 |
| Janssen Biotech, Inc. JNJ | 12 | $308 |
| Merck Sharp & Dohme LLC MRK | 8 | $260 |
| Exelixis Inc. EXEL | 8 | $248 |
| Caris MPI, Inc. | 10 | $218 |
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.