Physician Profile
Based in Charleston, SC, William F. Maguire, M.D. is listed in the NPI registry under internal medicine. William graduated from Medical University of South Carolina College of Medicine in 1985. Medicare claims data shows William provided 1,798 services to 1,210 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
615 WESLEY DR SUITE 300
Charleston, SC 29407
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
1,798 services · 1,210 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
89 | More often than most peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
22 | As often as other peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
16 | Less often than most peers in Internal Medicine |
| Administration of vaccine | Treatment | 90471 |
13 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
579 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
572 | More than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
293 | More than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
92 | More often than most peers in Internal Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
62 | As often as other peers in Internal Medicine |
| Administration of pneumococcal vaccine | Billing code | G0009 |
22 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William F. Maguire is an internist in Charleston, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
William F. Maguire is listed at 615 Wesley Dr Suite 300, Charleston, SC 29407. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (843) 266-4400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William F. Maguire's National Provider Identifier is 1528061397. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
William F. Maguire attended Medical University of South Carolina College of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
William F. Maguire has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William F. Maguire provides treatments such as influenza vaccine split virus, preservative free and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William F. Maguire. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.