Alexander Pyronneau MD/PHD
About this NPIWhat this record shows.
NPI 1326788480 is registered to Alexander Pyronneau MD/PHD, a Internal Medicine practising at 316 Calhoun St in Charleston, South Carolina. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Alexander Pyronneau MD/PHD has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20251217001412Internal MedicineSC
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Alexander Pyronneau MD/PHD accepts. To confirm in-network status with your specific health plan, contact Alexander Pyronneau MD/PHD directly at (843) 724-2000.
Frequently asked
Yes. NPI 1326788480 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (843) 724-2000.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Alexander Pyronneau MD/PHD is a Type-1 individual NPI.