Internal Medicine, Hematology & Oncology · Downey, CA
NPI
1881682318
Since 2005
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
11480 Brookshire Ave Ste 309
Downey, CA, 90241
Phone (562) 869-1201
Groups this clinician bills Medicare through
Medicare paid, 2024
$452K
16,220 services
Medicare patients, 2024
114
Average age 70
Drug cost, 2024
$4.9M
1,500 prescriptions
Company payments, 2025
$6,517
From 46 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Amitabha Mazumder was code 99214 (office e&m - established), 150 times for 82 patients. In total Amitabha Mazumder billed 16,220 services in 47 codes, and Medicare paid $452K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2018-08-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 150 | 82 | $98.90 | $15K |
| M0010 Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services | Office | 117 | 16 | $86.94 | $10K |
| 99443 Telephone Services | Office | 63 | 36 | $78.84 | $4,967 |
| 96367 Intravenous Infusion, Hydration | Office | 23 | 12 | $26.13 | $601 |
| 99204 Office E&M - New | Office | 11 | 11 | $124.92 | $1,374 |
By year: 2022 $102K for 6,406 services; 2023 $295K for 8,203 services; 2024 $452K for 16,220 services.
Medicare prescription drug claims, 2024
In 2024, the drug Amitabha Mazumder prescribed most often to Medicare patients was Anastrozole, with 148 prescriptions and refills. In total Amitabha Mazumder wrote 1,500 Medicare prescriptions that cost $4.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Anastrozole Generic | 148 | 315 | 48 | $2,679 |
| Prednisone Generic | 81 | 85 | 25 | $265 |
| Alendronate Sodium Generic | 67 | 93 | 23 | $287 |
| Orgovyx Relugolix | 59 | 59 | Under 11 | $149K |
| Abiraterone Acetate Generic | 56 | 58 | 12 | $94K |
| Letrozole Generic | 45 | 70 | 11 | $408 |
| Bicalutamide Generic | 44 | 50 | Under 11 | $795 |
| Pamidronate Disodium Generic | 39 | 43 | Under 11 | $939 |
| Exemestane Generic | 38 | 62 | Under 11 | $6,661 |
| Zoledronic Acid Generic | 37 | 43 | Under 11 | $1,532 |
| Verzenio Abemaciclib | 35 | 35 | Under 11 | $479K |
| Hydroxyurea Generic | 34 | 54 | Under 11 | $558 |
| Ciprofloxacin Hcl Generic | 34 | 34 | 29 | $95.43 |
| Ondansetron Odt Ondansetron | 34 | 34 | 22 | $290 |
| Xtandi Enzalutamide | 33 | 33 | Under 11 | $449K |
Brand drugs: 510 claims; generic drugs: 990 claims; opioid claims: 50.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Amitabha Mazumder $6,517 ($6,517 in general payments such as food, travel and fees) from 46 companies. The largest payer was E.R. Squibb & Sons, L.L.C. with $2,669.
| Company | Payments | Amount |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. BMY | 11 | $2,669 |
| Novartis Pharmaceuticals Corporation NVS | 18 | $607 |
| AstraZeneca Pharmaceuticals LP AZN | 17 | $382 |
| Janssen Biotech, Inc. JNJ | 15 | $363 |
| Genzyme Corporation SNY | 6 | $214 |
| Merck Sharp & Dohme LLC MRK | 6 | $154 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 6 | $146 |
| Abbvie Inc. ABBV | 5 | $143 |
| Array Biopharma Inc PFE | 6 | $119 |
| Pfizer Inc. PFE | 8 | $113 |
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.