Mariam Alexander
Medical Oncology Physician · Charleston, SC
Mariam Alexander is a medical oncology physician with a practice address in Charleston, South Carolina, and NPI 1679987382, issued on Jun 20, 2014. Check the license (South Carolina 83619, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mariam Alexander
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 83619 SC
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Jun 20, 2014
- Record last updated
- Mar 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20200910000339); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 35 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Abbott, MDSurgical Oncology Physician1245473354
- Miguel Abboud, MDPediatric Hematology & Oncology Physician1619292851
- Ahmed Abdelkader, MD, PHDNephrology Physician1629743000
- Mohamed Abdelwahab, MDOtolaryngology Physician1528679768
- Anne Abel, MDChild Abuse Pediatrics Physician1043328990
- Christina Abrams, M.D.Pediatric Hematology & Oncology Physician1376920207
Verify Mariam Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 83619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average medical oncology physician in 2024
571 Medicare Part D claims for 125 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 77 claims were for opioids.
Most prescribed
- Anastrozole57 claims
- Ondansetron Hcl54 claims
- Oxycodone Hcl49 claims
- Prochlorperazine Maleate48 claims
- Dexamethasone38 claims
- Tagrisso23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,136.59
7 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariam Alexander among 35 medical oncology physician records in South Carolina
Mariam Alexander is one of 35 medical oncology physician records with a practice address in South Carolina. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 91% of them.
- NPI issued2014 · 91% of these records are older, 3% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 1999 among the 26 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in South Carolina
There are 35 medical oncology physician records in South Carolina.
All 35 in South Carolina → Every provider in Charleston → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Rebecca Bechhold, MDCharleston, SC 294251326031618
- Kevin Becker, MDCharleston, SC 294251023275633
- Frank Brescia, MDCharleston, SC 294251609984558
- Carolyn Britten, MDCharleston, SC 294251356375810
- Toros Dincman, MD, PHDCharleston, SC 294251457799454
- Harry Drabkin, MDCharleston, SC 294251477643153
- Theodore Gourdin, MDCharleston, SC 294251427225069
- John Kaczmar, MDCharleston, SC 294251134448079
Common questions
What is Mariam Alexander's NPI number?
Mariam Alexander's National Provider Identifier (NPI) is 1679987382, issued on Jun 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mariam Alexander located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Mariam Alexander's license?
NPPES lists South Carolina license number 83619, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariam Alexander prescribe under Medicare Part D?
In 2024, Mariam Alexander had 571 Medicare Part D claims for 125 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.