Quick answers
- Does William F. Gaillard Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William F. Gaillard Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William F. Gaillard Jr. see?
- In 2024, CMS data shows 1,221 Original Medicare patients and 1,898 services for William F. Gaillard Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William F. Gaillard Jr.'s NPI number?
- 1619315918. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William F. Gaillard Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,221 |
|---|---|
| Services billed to Medicare | 1,898 |
| Different services or procedures | 113 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)278 services
- Ultrasound of both sides of head and neck blood flow (93880)257 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)217 services
- Ultrasound study of arm and leg arteries (93922)164 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)158 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes42%
- Ischemic heart disease41%
- Chronic kidney disease36%
Hospitals where William F. Gaillard Jr. works
Medicare's Facility Affiliation Data lists William F. Gaillard Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bon Secours-St Francis Xavier HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 420065
- Mount Pleasant HospitalMount Pleasant, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420104
- Novant Health East Cooper Medical CenterMount Pleasant, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420089
- Roper HospitalCharleston, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420087
- Roper St Francis Hospital-Berkeley IncSummerville, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 420110
Practice locations
Addresses where William F. Gaillard Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1033 Saint Andrews BlvdCharleston, SC 29407 (843) 723‑6111
- 897 Von Kolnitz Rd, Suite 101Mt Pleasant, SC 29464 (843) 723‑6111
Group practices
Medicare enrollment lists William F. Gaillard Jr. as a member of this group (CMS data updated October 2, 2026).
- Roper Saint Francis Physicians Network528 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Charleston
Clinicians with the same Medicare primary specialty in Charleston, SC — not a recommendation.
Other clinicians in Roper Saint Francis Physicians Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619315918 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians