MARISSA ANNE MAYOR MD
NPI 1669738597
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Charleston, SC
NPI Status: Active since April 04, 2012
Contact Information
30 COURTENAY DRIVE MSC 613
CHARLESTON, SC
ZIP 29425
Phone: (843) 792-1414
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Thoracic Surgery (Cardiothoracic Vascula...
About MARISSA MAYOR
This page provides the complete NPI Profile along with additional information for Marissa Mayor, a provider established in Charleston, South Carolina with a medical specialization in Thoracic Surgery (cardiothoracic Vascular Surgery). The healthcare provider is registered in the NPI registry with number 1669738597 assigned on April 2012. The practitioner's primary taxonomy code is 208G00000X with license number MMD.94651 (SC). The provider is registered as an individual and her NPI record was last updated September 2025.
- NPI
- 1669738597
- Provider Name
- MARISSA ANNE MAYOR MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 30 COURTENAY DRIVE MSC 613 CHARLESTON, SC 29425
- Location Phone
- (843) 792-1414
- Mailing Address
- PO BOX 751461 CHARLOTTE, NC 28275
- Mailing Phone
- (843) 792-1414
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-04-2012
- Last Update Date
- 09-19-2025
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Thoracic Surgery (Cardiothoracic Vascular Surgery)
- Taxonomy Code
- 208G00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MMD.94651
- License State
- SC
- Taxonomy Description
- A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 208600000X | Allopathic & Osteopathic Physicians | Surgery | MMD.94651 (SC) |
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 6 | 6 | 9 | 7 | 3 | 8 | 5 | 9 | 7 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 6 | 12 | 9 | 14 | 3 | 16 | 5 | 18 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 6 + 1 + 2 + 9 + 1 + 4 + 3 + 1 + 6 + 5 + 1 + 8 + 24 = 73 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 80 - 73 = 7 | 7 | ||||||||
The NPI number 1669738597 is valid because the calculated check digit 7 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following provider is registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1346744794 | TIMOTHY BAYNARD BRISTOL LEGARE MD Individual | Surgery (Vascular Surgery) | 30 COURTENAY DRIVE MSC 613 CHARLESTON, SC 29425 (843) 792-1414 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669738597, enumerated in the NPI registry as an "individual" on April 04, 2012
The provider is located at 30 Courtenay Drive Msc 613 Charleston, Sc 29425 and the phone number is (843) 792-1414
The provider's speciality is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X
This NPI record was last updated on April 04, 2012. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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