Marissa Anne Mayor, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Charleston, SC
Marissa Anne Mayor, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Charleston, South Carolina, and NPI 1669738597, issued on Apr 4, 2012. Check the license (South Carolina MMD.94651, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marissa Anne Mayor
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- MMD.94651 SC
Self-reported in NPPES; status is on the state search - Practice location
- 30 Courtenay Drive Msc 613, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Apr 4, 2012
- Record last updated
- Sep 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20251115000319); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 97 in South Carolina → Look up another NPI →
Also registered at 30 Courtenay Drive Msc 613
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Legare, MDVascular Surgery Physician1346744794
Verify Marissa Anne Mayor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license MMD.94651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $412.89
5 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 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).
Marissa Anne Mayor among 97 thoracic surgery (cardiothoracic vascular surgery) physician records in South Carolina
Marissa Anne Mayor, MD is one of 97 thoracic surgery (cardiothoracic vascular surgery) 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 2012, is newer than 67% of them.
- NPI issued2012 · 67% of these records are older, 32% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 1999 among the 64 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in South Carolina
There are 97 thoracic surgery (cardiothoracic vascular surgery) physician records in South Carolina.
All 97 in South Carolina → Every provider in Charleston → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Ngoc-Quynh Chu, M.D.Charleston, SC 294251457770786
- Kathryn Engelhardt, MDCharleston, SC 294251497199558
- Lloyd Felmly, MDCharleston, SC 294251790166338
- Barry Gibney, D.O.Charleston, SC 294251093933467
- Zubair Hashmi, M.D.Charleston, SC 294251366732646
- Oliver Jawitz, M.D.Charleston, SC 294251396108064
- Marc Katz, M.D.Charleston, SC 294251891715215
- Minoo Kavarana, M.D.Charleston, SC 294251992779128
Common questions
What is Marissa Anne Mayor, MD's NPI number?
Marissa Anne Mayor, MD's National Provider Identifier (NPI) is 1669738597, issued on Apr 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Anne Mayor, MD located?
The NPPES record lists a practice address at 30 Courtenay Drive Msc 613, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Marissa Anne Mayor, MD's license?
NPPES lists South Carolina license number MMD.94651, 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.
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.