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

Dr. William Francis Maguire Jr., MD

Individual provider Internal Medicine Physician · NPI 1528061397

Dr. William Francis Maguire Jr., MD is an Internal Medicine in Charleston, South Carolina. Graduated from Medical University of South Carolina College of Medicine in 1985, 41 years ago. Practices with Roper Saint Francis Physicians Network, a 532-clinician group and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
41
Trained at
Medical University of South Carolina College of Medicine
Licensed in
SC
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

615 Wesley Dr Ste 300
Charleston, SC 29407-7204
Phone: (843) 266-4400
Fax: (843) 577-0455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 14188 (SC)

Record details

NPI number1528061397
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESFebruary 12, 2025
Certification dateFebruary 12, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Roper Saint Francis Physicians Network — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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