Marissa Mayor, MD
NPI 1669738597 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Mayor, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Charleston, SC (NPI 1669738597).
Provider details
- NPI number
- 1669738597
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MMD.94651 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$413 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-04
- Last updated
- 2025-09-19
- Certified
- 2025-09-19
Frequently asked questions
- What is Marissa Mayor's NPI number?
- Marissa Mayor's National Provider Identifier (NPI) is 1669738597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Mayor's specialty?
- Marissa Mayor is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Mayor located?
- Marissa Mayor's practice location on file with NPPES is 30 Courtenay Drive Msc 613, Charleston, SC 29425-3821.
- What is Marissa Mayor's phone number?
- The practice phone number listed in the NPPES registry for Marissa Mayor is (843) 792-1414.
- Does Marissa Mayor accept Medicare?
- Marissa Mayor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Mayor's NPI active?
- Yes — Marissa Mayor's NPI (1669738597) is active in the NPPES registry as of the last update on 2025-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.