Dr. Samir Mazharuddin
Hematology & Oncology (Hematology & Oncology Physician)
- Medicare participating
At a glance
- Medical school
- Texas A & M University System, Hsc, College of Medicine (2013)
- Years since graduation
- 13
- In the NPI registry since
- 2013
- Medicare patients seen, 2024
- 301
Licensed in Texas since 2014, according to the Texas Medical Board. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2013Medical school: Texas A & M University System, Hsc, College of Medicine
- 2013Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology & Oncology Physician primary
TX license Q0975 (first issued 2014; active) -
Internal Medicine Physician
TX license Q0975 (first issued 2014; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Memorial Hermann Hospital System Houston, TX
- HCA Houston Healthcare Kingwood Kingwood, TX
- Memorial Hermann Northeast Hospital Humble, TX
Medical groups
- Texas Oncology PA (1,014 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 301
- Services billed
- 88,625
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Injection, iron sucrose, 1 mg | 10,200 | 12 |
| Injection, fosaprepitant, 1 mg | 7,800 | 12 |
| Injection, dexamethasone sodium phosphate, 1 mg | 1,198 | 23 |
| Injection, palonosetron hcl, 25 mcg | 650 | 13 |
| Established patient office or other outpatient visit, 30-39 minutes | 483 | 117 |
| Insertion of needle into vein for collection of blood sample | 385 | 110 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 365 | 113 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 279 | 86 |
| Injection of additional new drug or substance into vein | 178 | 25 |
| Administration of chemotherapy into vein, 1 hour or less | 155 | 29 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Anastrozole Other prescribers in Webster, TX | 141 |
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Webster, TX | 131 |
| Ondansetron Odt (ondansetron) Other prescribers in Webster, TX | 127 |
| Eliquis (apixaban) Other prescribers in Webster, TX | 77 |
| Letrozole Other prescribers in Webster, TX | 59 |
| Prednisone Other prescribers in Webster, TX | 51 |
| Calquence (acalabrutinib maleate) | 49 |
| Megestrol Acetate Other prescribers in Webster, TX | 44 |
| Pantoprazole Sodium Other prescribers in Webster, TX | 42 |
| Allopurinol Other prescribers in Webster, TX | 34 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 48 companies reported 155 payments worth $7,735 in total to this clinician.
| Janssen Biotech, Inc. | $2,189 |
|---|---|
| AstraZeneca Pharmaceuticals LP | $1,835 |
| Cardinal Health 110 LLC | $400 |
| Tempus Ai, Inc | $375 |
| AbbVie Inc. | $334 |
| Astellas Pharma US Inc | $182 |
| Merck Sharp & Dohme LLC | $158 |
| Celgene Corporation | $141 |
| Food and Beverage | $3,837 |
|---|---|
| Consulting Fee | $3,650 |
| Education | $193 |
| Travel and Lodging | $55.04 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP Sep 11, 2025 | Consulting Fee CALQUENCE · Oncology | $1,675 |
| Janssen Biotech, Inc. Sep 11, 2025 | Consulting Fee DARZALEX · Oncology | $1,575 |
| Cardinal Health 110 LLC Jan 9, 2025 | Consulting Fee | $275 |
| Cardinal Health 110 LLC Nov 25, 2025 | Consulting Fee | $125 |
| Janssen Biotech, Inc. Apr 22, 2025 | Education ERLEADA · Oncology · in-kind | $99.95 |
| Astellas Pharma US Inc Oct 22, 2025 | Education in-kind | $92.99 |
| Janssen Biotech, Inc. Sep 4, 2025 | Travel and Lodging DARZALEX · Oncology · travel to HOUSTON, TX | $27.00 |
| Janssen Biotech, Inc. Sep 4, 2025 | Travel and Lodging DARZALEX · Oncology · travel to HOUSTON, TX | $21.00 |
| Janssen Biotech, Inc. Sep 4, 2025 | Travel and Lodging DARZALEX · Oncology · travel to HOUSTON, TX | $7.04 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.