JOHN ALBERT GUILLIOT II M.D.
NPI 1245499730
Anesthesiology in New Orleans, LA
About John Albert Guilliot Ii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ALBERT GUILLIOT II M.D. (NPI 1245499730) is an individual anesthesiology provider in New Orleans, Louisiana, licensed in Louisiana (MD.204743) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Avala, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Albert Guilliot Ii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show John Guilliot reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Orleans, LA 70121
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Metairie, LA 70001
- Reassigned Medicare billing, Louisiana enrollment
- 71 clinicians in this Medicare group
New Orleans, LA 70118
- Reassigned Medicare billing, Louisiana enrollment
- 519 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 931 clinicians in this Medicare group
New Iberia, LA 70563
- Reassigned Medicare billing, Louisiana enrollment
- 470 clinicians in this Medicare group
Memphis, TN 38104
- Reassigned Medicare billing, Tennessee enrollment
- 255 clinicians in this Medicare group
Naples, FL 34119
- Reassigned Medicare billing, Florida enrollment
- 767 clinicians in this Medicare group
Holland, MI 49424
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avala
Acute Care Hospitals · Covington, LASpectrum Health
Acute Care Hospitals · Grand Rapids, MIMethodist Hospitals Of Memphis
Acute Care Hospitals · Memphis, TNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Guilliot's NPI number?
The NPI number for John Guilliot is 1245499730. It was assigned to this individual provider in the NPPES registry on June 9, 2008.
Where is John Guilliot located?
John Guilliot practices at 1514 Jefferson Highway, New Orleans, LA 70121. The listed phone number is (504) 842-3755.
What is John Guilliot's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Guilliot enrolled in Medicare?
Yes. John Guilliot is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Guilliot's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Guilliot reassigns Medicare benefits to 8 organizations: Ochsner Clinic LLC (New Orleans, LA), Galleria Anesthesia Associates, LLC (Metairie, LA), Childrens Hospital Anesthesia Corporation (New Orleans, LA), Louisiana State University School Of Medicine In New Orleans Faculty G (New Orleans, LA), Youngs Professional Services LLC (New Iberia, LA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Guilliot's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Guilliot accept?
Health plans from HMO Louisiana list John Guilliot as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Guilliot affiliated with any hospitals?
According to CMS data, John Guilliot is affiliated with Avala, Spectrum Health and Methodist Hospitals Of Memphis.
When was this NPI record last updated?
The NPPES record for John Guilliot was last updated on November 8, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John Albert Guilliot II, M.D. · NPI 1245499730
Anesthesiology physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since June 9, 2008.
## Identity
- **NPI:** 1245499730 (Entity type: Individual)
- **Enumerated:** June 9, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD.204743 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1514 JEFFERSON HIGHWAY, New Orleans, LA 70121-2429
- **Phone:** (504) 842-3755
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1215136080, New Orleans, LA); Galleria Anesthesia Associates, LLC (NPI 1962966796, Metairie, LA); Childrens Hospital Anesthesia Corporation (NPI 1649362740, New Orleans, LA); Louisiana State University School Of Medicine In New Orleans Faculty G (NPI 1477582526, New Orleans, LA); Youngs Professional Services LLC (NPI 1922178599, New Iberia, LA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2007
## Record status
- **NPPES last updated:** November 8, 2012
- **Other identifiers:** Medicare PIN 4Q4267061 (LA); Medicaid 2156195 (LA); Medicaid 04036296 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1245499730) · Data from the CMS NPPES public registry.