Dr. Mariam Alexander
Medical Oncology (Medical Oncology Physician)
- Medicare participating
At a glance
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 170
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
- 2014Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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
-
Medical Oncology Physician primary
SC license 83619 -
Hematology (Internal Medicine) Physician
SC license 83619
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Musc Medical Center Charleston, SC
- Musc Health Columbia Medical Center Downtown Columbia, SC
Medical groups
- University Medical Associates of the Medical University of South Carol (1,668 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
- 170
- Services billed
- 802
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 291 | 153 |
| Established patient office or other outpatient visit, 40-54 minutes | 145 | 77 |
| New patient office or other outpatient visit, 60-74 minutes | 37 | 37 |
| Injection of drug or substance under skin or into muscle | 23 | 16 |
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 Charleston, SC | 57 |
| Ondansetron Hcl Other prescribers in Charleston, SC | 54 |
| Oxycodone Hcl Other prescribers in Charleston, SC | 49 |
| Prochlorperazine Maleate Other prescribers in Charleston, SC | 48 |
| Dexamethasone Other prescribers in Charleston, SC | 38 |
| Tagrisso (osimertinib mesylate) | 23 |
| Verzenio (abemaciclib) | 20 |
| Eliquis (apixaban) Other prescribers in Charleston, SC | 14 |
| Prednisone Other prescribers in Charleston, SC | 14 |
| Albuterol Sulfate Hfa (albuterol sulfate) Other prescribers in Charleston, SC | 13 |
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, 5 companies reported 14 payments worth $17,639 in total to this clinician.
| AbbVie Inc. | $4,500 |
|---|---|
| Amgen Inc. | $4,196 |
| Janssen Biotech, Inc. | $3,985 |
| Regeneron Healthcare Solutions, Inc. | $2,701 |
| Daiichi Sankyo Inc. | $2,258 |
| Consulting Fee | $17,506 |
|---|---|
| Food and Beverage | $134 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Amgen Inc. Oct 21, 2025 | Consulting Fee IMDELLTRA (AMG757) · Hematology | $3,087 |
| Regeneron Healthcare Solutions, Inc. Sep 19, 2025 | Consulting Fee LIBTAYO · ONCOLOGY | $2,493 |
| AbbVie Inc. Oct 28, 2025 | Consulting Fee | $2,100 |
| AbbVie Inc. Feb 3, 2025 | Consulting Fee | $1,800 |
| Janssen Biotech, Inc. Jan 1, 2025 | Consulting Fee RYBREVANT · Oncology | $1,635 |
| Janssen Biotech, Inc. Nov 5, 2025 | Consulting Fee RYBREVANT · Oncology | $1,350 |
| Daiichi Sankyo Inc. Dec 3, 2025 | Consulting Fee | $1,102 |
| Daiichi Sankyo Inc. Oct 7, 2025 | Consulting Fee DATROWAY · ONCOLOGY | $1,102 |
| Amgen Inc. Oct 21, 2025 | Consulting Fee IMDELLTRA (AMG757) · Hematology | $1,029 |
| Janssen Biotech, Inc. Apr 10, 2025 | Consulting Fee RYBREVANT · Oncology | $1,000 |
All 12 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| Daiichi Sankyo Inc. Dec 3, 2025 | Consulting Fee | $1,102 |
| Janssen Biotech, Inc. Nov 5, 2025 | Consulting Fee RYBREVANT · Oncology | $1,350 |
| AbbVie Inc. Oct 28, 2025 | Consulting Fee | $2,100 |
| Amgen Inc. Oct 21, 2025 | Consulting Fee IMDELLTRA (AMG757) · Hematology | $3,087 |
| Amgen Inc. Oct 21, 2025 | Consulting Fee IMDELLTRA (AMG757) · Hematology | $1,029 |
| Daiichi Sankyo Inc. Oct 7, 2025 | Consulting Fee DATROWAY · ONCOLOGY | $1,102 |
| Regeneron Healthcare Solutions, Inc. Sep 19, 2025 | Consulting Fee LIBTAYO · ONCOLOGY | $2,493 |
| Regeneron Healthcare Solutions, Inc. Sep 19, 2025 | Consulting Fee LIBTAYO · ONCOLOGY | $208 |
| AbbVie Inc. Aug 19, 2025 | Consulting Fee | $600 |
| Janssen Biotech, Inc. Apr 10, 2025 | Consulting Fee RYBREVANT · Oncology | $1,000 |
| AbbVie Inc. Feb 3, 2025 | Consulting Fee | $1,800 |
| Janssen Biotech, Inc. Jan 1, 2025 | Consulting Fee RYBREVANT · Oncology | $1,635 |
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.
Industry-funded research
Named as a principal investigator on 10 industry-funded studies in 2025, from 7 companies. The companies reported $339,345 in research payments for these studies, mostly to the institutions running them.
- A Phase 3 Randomized Open-Label Study of Adjuvant Pembrolizumab With or Without MK-2870 in Participants With Resectable Stage II to IIIB N2 NSCLC not Achieving pCR After Receiving Neoadjuvant Pembrolizumab With Platin…
Merck Sharp & Dohme LLC - A Study of First-Line Olomorasib (LY3537982) and Pembrolizumab With or Without Chemotherapy in Patients With Advanced KRAS G12C-Mutant Non-small Cell Lung Cancer
Eli Lilly and Company · Recruiting · NCT06119581 - A Phase 3, Open-label, Multicenter, Randomized Study of Tarlatamab in Combination With Durvalumab vs Durvalumab Alone in Subjects With Extensive-Stage Small-Cell Lung Cancer Following Platinum, Etoposide and Durvaluma…
Amgen Inc. - A Phase 3, Open-label, Randomized Study of Lazertinib with Subcutaneous Amivantamab Administered via Manual Injection Compared with Intravenous Amivantamab or Amivantamab Subcutaneous On Body Delivery System in Patien…
Janssen Research & Development, LLC - A Phase 3, Open-label, Randomized Study of Lazertinib with Subcutaneous Amivantamab Administered via Manual Injection Compared with Intravenous Amivantamab or Amivantamab Subcutaneous On Body Delivery System in Patien…
Janssen Research & Development, LLC - A Phase 1b Study Evaluating the Safety and Efficacy of AMG 757 in Combination With AMG 404 in Subjects With Small Cell Lung Cancer (SCLC)
Amgen Inc. - 1LM SCLC Tecentriq Lurbinectedin
Genentech, Inc. - Study of REGN5093-M114 (METxMET Antibody-Drug Conjugate) in Adult Patients With Mesenchymal Epithelial Transition Factor (MET) Overexpressing Advanced Cancer
Regeneron Pharmaceuticals, Inc. · Terminated · NCT04982224 - DAREON-5: An open-label, multi-center Phase II dose selection trial of intravenous BI 764532, a DLL3-targeting T cell engager, in patients with relapsed/refractory extensive-stage small cell lung cancer and in patient…
Boehringer Ingelheim Pharmaceuticals, Inc. - A phase 3, multicenter, double-blind, placebo-controlled study assessing the efficacy and safety of olomorasib in combination with standard of care immunotherapy in participants with resected or unresectable kras G12C…
Eli Lilly and Company
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.