DR. JOHN GREER DNP, CRNA
NPI 1760833537
Nurse Anesthetist, Certified Registered in Jefferson, LA
About Dr. John Greer Dnp, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN GREER DNP, CRNA (NPI 1760833537) is an individual nurse anesthetist, certified registered in Jefferson, Louisiana, licensed in Louisiana (AP08861) and active in the NPI registry since June 2016. He is affiliated with St Tammany Parish Hospital and is a graduate of Other (2016).
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
Dr. John Greer Dnp, Crna 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
5Medicare enrollment records show John Greer reassigns Medicare billing to 5 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
Metairie, LA 70001
- Reassigned Medicare billing, Louisiana enrollment
- 43 clinicians in this Medicare group
New Orleans, LA 70118
- Reassigned Medicare billing, Louisiana enrollment
- 519 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 88 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Tammany Parish Hospital
Acute Care Hospitals · Covington, LAAvala
Acute Care Hospitals · Covington, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70121 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other 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
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 Greer's NPI number?
The NPI number for John Greer is 1760833537. It was assigned to this individual provider in the NPPES registry on June 23, 2016.
Where is John Greer located?
John Greer practices at 1514 Jefferson Hwy, Jefferson, LA 70121. The listed phone number is (504) 842-3000.
What is John Greer's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Greer enrolled in Medicare?
Yes. John Greer 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 Greer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Greer reassigns Medicare benefits to 5 organizations: Ochsner Clinic LLC (New Orleans, LA), Galleria Anesthesia Associates, LLC (Metairie, LA), Prime Anesthesia Services (Metairie, LA), Childrens Hospital Anesthesia Corporation (New Orleans, LA) and Total Anesthesia Care Stph, LLC (Covington, LA). 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 Greer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Greer accept?
Health plans from HMO Louisiana list John Greer 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 Greer affiliated with any hospitals?
According to CMS data, John Greer is affiliated with St Tammany Parish Hospital and Avala.
When was this NPI record last updated?
The NPPES record for John Greer was last updated on November 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. John Greer, DNP, CRNA · NPI 1760833537
Nurse Anesthetist, Certified Registered physician in Jefferson, Louisiana. Individual provider, active in the CMS NPPES registry since June 23, 2016.
## Identity
- **NPI:** 1760833537 (Entity type: Individual)
- **Enumerated:** June 23, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AP08861 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1514 JEFFERSON HWY, Jefferson, LA 70121-2429
- **Phone:** (504) 842-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1215136080, New Orleans, LA); Galleria Anesthesia Associates, LLC (NPI 1962966796, Metairie, LA); Prime Anesthesia Services (NPI 1124707435, Metairie, LA); Childrens Hospital Anesthesia Corporation (NPI 1649362740, New Orleans, LA); Total Anesthesia Care Stph, LLC (NPI 1669475190, Covington, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 3, 2016
- **Other identifiers:** Medicaid 09858372 (MS); Medicare PIN 521833YH3U (LA); Medicaid 2427288 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1760833537) · Data from the CMS NPPES public registry.