NPPES file of Aug 9, 2026

Marcelo Silveira Guimaraes, MD

Vascular & Interventional Radiology Physician · Charleston, SC

Marcelo Silveira Guimaraes, MD is a vascular & interventional radiology physician with a practice address in Charleston, South Carolina, and NPI 1790963684, issued on Feb 4, 2008. Check the license (South Carolina AL24517, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790963684
Name
Marcelo Silveira Guimaraes
Credential
MD
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
AL24517 SC
Self-reported in NPPES; status is on the state search
Practice location
171 Ashley Ave, Charleston, SC 29425
Phone
(843) 792-1414
Enumerated
Feb 4, 2008
Record last updated
Feb 4, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080219000085); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 171 Ashley Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Andrea Abbott, MDSurgical Oncology Physician1245473354
  2. Miguel Abboud, MDPediatric Hematology & Oncology Physician1619292851
  3. Ahmed Abdelkader, MD, PHDNephrology Physician1629743000
  4. Mohamed Abdelwahab, MDOtolaryngology Physician1528679768
  5. Anne Abel, MDChild Abuse Pediatrics Physician1043328990
  6. Christina Abrams, M.D.Pediatric Hematology & Oncology Physician1376920207

Verify Marcelo Silveira Guimaraes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license AL24517
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

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60% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024

30 Medicare Part D claims for 12 beneficiaries, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D.

  1. Marcelo Guimaraes30
  2. Specialty average75

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: $111,072.77

78 payments; by number, the most common kind was consulting fee; the largest payer was Terumo Medical Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marcelo Guimaraes$111,073
  2. Specialty average$7,207

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Musc Community PhysiciansColumbia, SC
  2. 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).

Vascular & Interventional Radiology Physician providers in South Carolina

There are 68 vascular & interventional radiology physician records in South Carolina.

Other vascular & interventional radiology physician records in South Carolina

  1. Caitlin Abdullah, PAGreenville, SC1588321525
  2. Fahad Aldawsari, MDCharleston, SC1538083274
  3. Michael Anderson, M.D.Charleston, SC1932282290
  4. Robert Andrews, MDCharleston, SC1104208982
  5. Eric Billig, MDBeaufort, SC1538147632
  6. Henry Black, M.D.Greenville, SC1770541906
  7. Jonathan Botstein, M.D.Greenville, SC1336385616
  8. Daniel Bozarth, MDSpartanburg, SC1205891025
  9. Chad BradyCharleston, SC1265936231
  10. William Brehmer, M.D.West Columbia, SC1457511479

Common questions

What is Marcelo Silveira Guimaraes, MD's NPI number?

Marcelo Silveira Guimaraes, MD's National Provider Identifier (NPI) is 1790963684, issued on Feb 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Marcelo Silveira Guimaraes, MD 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 Marcelo Silveira Guimaraes, MD's license?

NPPES lists South Carolina license number AL24517, 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 Marcelo Silveira Guimaraes, MD prescribe under Medicare Part D?

In 2024, Marcelo Silveira Guimaraes, MD had 30 Medicare Part D claims for 12 beneficiaries; the average among vascular & interventional radiology physician prescribers was 75. 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.