Quick answers
- Which hospitals does Douglas C. Lanier Jr. work at?
- Medicare's official clinician data lists Douglas C. Lanier Jr. at 2 hospitals: Memorial Hospital at Gulfport and Singing River Gulfport. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Douglas C. Lanier Jr. see patients?
- Medicare's clinician data lists 1 practice location in Gulfport, MS. Call before your visit to confirm the address.
- What is Douglas C. Lanier Jr.'s specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Douglas C. Lanier Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas C. Lanier 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 Douglas C. Lanier Jr.?
- (228) 863-5705, as listed in official Medicare / NPI Registry data.
- What is Douglas C. Lanier Jr.'s NPI number?
- 1205825643. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Douglas C. Lanier Jr. works
Medicare's Facility Affiliation Data lists Douglas C. Lanier Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hospital at GulfportGulfport, MS · Acute Care Hospital · CCN 250019
- Singing River GulfportGulfport, MS · Acute Care Hospital · CCN 250123
Practice locations
Addresses where Douglas C. Lanier Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 4300 B W Railroad StGulfport, MS 39501 (228) 863‑5705
Group practices
Medicare enrollment lists Douglas C. Lanier Jr. as a member of this group (CMS data updated 2026-10-02).
- South Mississippi Nephrology, PLLC10 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Gulfport
Clinicians with the same Medicare primary specialty in Gulfport, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205825643 |
| 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