Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alexander Pyronneau, MD/PHD

Individual provider Internal Medicine Physician · NPI 1326788480

Alexander Pyronneau, MD/PHD is an Internal Medicine in Charleston, South Carolina. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2022, 4 years ago. Practices with 24 on Physicians of SC LLC, a 137-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
4
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
SC
In the registry since
2022
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

316 Calhoun St
Charleston, SC 29401-1113
Phone: (843) 724-2000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 95974 (SC)

Record details

NPI number1326788480
Entity typeIndividual (Type 1)
GenderMale
Credentials MD/PHD
Sole proprietorYes
NPI enumeratedMarch 29, 2022
Last updated in NPPESNovember 14, 2025
Certification dateNovember 14, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2022 (4 years in practice)
Group practice 24 On Physicians Of Sc Llc — 137 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Charleston