Quick answers
- Where does Keiffer E. Smith see patients?
- Medicare's clinician data lists 4 practice locations, including Gretna, LA, Port Sulphur, LA and Harvey, LA. Call before your visit to confirm the address.
- What is Keiffer E. Smith's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Keiffer E. Smith accept Medicare assignment?
- Yes. Medicare's clinician data says Keiffer E. Smith 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 Keiffer E. Smith?
- (504) 393-2273, as listed in official Medicare / NPI Registry data.
- What is Keiffer E. Smith's NPI number?
- 1578241980. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Keiffer E. Smith is enrolled with Medicare (CMS data updated 2026-10-02).
- 148 Wall BlvdGretna, LA 70056 (504) 393‑2273
- 27136 Hwy 23Port Sulphur, LA 70083 (985) 564‑3344
- 4001 Lapalco Blvd, Suite 10Harvey, LA 70058 (504) 420‑2273
- 8712 Hwy 23Belle Chasse, LA 70037 (504) 226‑2550
Group practices
Medicare enrollment lists Keiffer E. Smith as a member of these groups (CMS data updated 2026-10-02).
- Dr Douglas Mehaffie MD LLC14 clinicians in the group
- Hospital Service District No. 1 of Plaquemines Parish10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Gretna
Clinicians with the same Medicare primary specialty in Gretna, LA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578241980 |
| 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
- 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