Quick answers
- Which hospitals does James A. Williams Jr. work at?
- Medicare's official clinician data lists James A. Williams Jr. at 5 hospitals: Lexington Medical Center, MUSC Health Columbia Medical Center Downtown, Prisma Health Baptist, Prisma Health Richland Hospital and Prisma Health Tuomey Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James A. Williams Jr. see patients?
- Medicare's clinician data lists 1 practice location in Columbia, SC. Call before your visit to confirm the address.
- What is James A. Williams Jr.'s specialty?
- Medicare lists Gynecological Oncology as the primary specialty, and also Hematology/Oncology.
- Does James A. Williams Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James A. Williams Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James A. Williams Jr.?
- (803) 461-3000, as listed in official Medicare / NPI Registry data.
- What is James A. Williams Jr.'s NPI number?
- 1528040854. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James A. Williams Jr. works
Medicare's Facility Affiliation Data lists James A. Williams Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lexington Medical CenterWest Columbia, SC · Acute Care Hospital · CCN 420073
- MUSC Health Columbia Medical Center DowntownColumbia, SC · Acute Care Hospital · CCN 420026
- Prisma Health BaptistColumbia, SC · Acute Care Hospital · CCN 420086
- Prisma Health Richland HospitalColumbia, SC · Acute Care Hospital · CCN 420018
- Prisma Health Tuomey HospitalSumter, SC · Acute Care Hospital · CCN 420070
Practice locations
Addresses where James A. Williams Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 166 Stoneridge DrColumbia, SC 29210 (803) 461‑3000
Group practices
Medicare enrollment lists James A. Williams Jr. as a member of this group (CMS data updated 2026-10-02).
- South Carolina Oncology Assoc PA18 clinicians in the group
Specialties
- Gynecological Oncologyprimary
- Hematology/Oncologyalso
Find other Gynecological Oncology doctors in South Carolina →
Other gynecologic oncologists in South Carolina
Clinicians with the same Medicare primary specialty in South Carolina — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528040854 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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