Quick answers
- Which hospitals does William E. Chastain work at?
- Medicare's official clinician data lists William E. Chastain at 5 hospitals: Grand Strand Regional Medical Center, Novant Health Brunswick Medical Center, Novant Health Forsyth Medical Center, Ochsner Medical Center Acute and Spartanburg Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Chastain see patients?
- Medicare's clinician data lists 6 practice locations, including Slidell, LA, Spartanburg, SC and New Orleans, LA. Call before your visit to confirm the address.
- What is William E. Chastain's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William E. Chastain accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Chastain 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 William E. Chastain?
- (985) 646-5100, as listed in official Medicare / NPI Registry data.
- What is William E. Chastain's NPI number?
- 1891980777. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Chastain works
Medicare's Facility Affiliation Data lists William E. Chastain at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grand Strand Regional Medical CenterMyrtle Beach, SC · Acute Care Hospital · CCN 420085
- Novant Health Brunswick Medical CenterSupply, NC · Acute Care Hospital · CCN 340158
- Novant Health Forsyth Medical CenterWinston-Salem, NC · Acute Care Hospital · CCN 340014
- Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · CCN 190036
- Spartanburg Medical CenterSpartanburg, SC · Acute Care Hospital · CCN 420007
Practice locations
Addresses where William E. Chastain is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 100 Medical Ctr DrSlidell, LA 70461 (985) 646‑5100
- 101 E Wood StSpartanburg, SC 29303 (864) 560‑6654
- 1514 Jefferson HwyNew Orleans, LA 70121 (504) 468‑8600
- 200 Hawthorne LnCharlotte, NC 28204 (704) 384‑5416
- 3333 Silas Creek PkwyWinston Salem, NC 27103 (336) 718‑7597
Group practices
Medicare enrollment lists William E. Chastain as a member of these groups (CMS data updated 2026-10-02).
- Novant Health Medical Group, LLC2,430 clinicians in the group
- Spartanburg Medical Center1,078 clinicians in the group
- Southeastern Hospitalist Services PC297 clinicians in the group
- Belle Chasse Physician Services LLC262 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Slidell
Clinicians with the same Medicare primary specialty in Slidell, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891980777 |
| 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