Quick answers
- Which hospitals does John A. Guilliot work at?
- Medicare's official clinician data lists John A. Guilliot at 3 hospitals: Avala, Methodist Hospitals of Memphis and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Guilliot see patients?
- Medicare's clinician data lists 3 practice locations, including Memphis, TN, New Orleans, LA and Covington, LA. Call before your visit to confirm the address.
- What is John A. Guilliot's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does John A. Guilliot accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Guilliot 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 John A. Guilliot?
- (901) 516-7000, as listed in official Medicare / NPI Registry data.
- What is John A. Guilliot's NPI number?
- 1245499730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Guilliot works
Medicare's Facility Affiliation Data lists John A. Guilliot at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AvalaCovington, LA · Acute Care Hospital · CCN 190267
- Methodist Hospitals of MemphisMemphis, TN · Acute Care Hospital · CCN 440049
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where John A. Guilliot is enrolled with Medicare (CMS data updated 2026-10-02).
- 1265 Union Ave, Suite 201Memphis, TN 38104 (901) 516‑7000
- 1401 Foucher StNew Orleans, LA 70115 (504) 897‑7011
- 67252 Industry LnCovington, LA 70433 (985) 809‑9888
Group practices
Medicare enrollment lists John A. Guilliot as a member of these groups (CMS data updated 2026-10-02).
- Childrens Hospital Anesthesia Corporation281 clinicians in the group
- Resource Anesthesiology Associates of TN PC147 clinicians in the group
- Galleria Anesthesia Associates, LLC35 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Memphis
Clinicians with the same Medicare primary specialty in Memphis, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245499730 |
| 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