DR. GREG EDWARD PARKER M.D.
NPI 1255502316
Emergency Medicine in Hammond, LA
About Dr. Greg Edward Parker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREG EDWARD PARKER M.D. (NPI 1255502316) is an individual emergency medicine provider in Hammond, Louisiana, licensed in Louisiana (MD.202505) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center-hancock, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Greg Edward Parker 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 Reassignment
Medicare enrollment records show Greg Parker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bay St Louis, MS 39520
- Reassigned Medicare billing, Mississippi enrollment
- 87 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Medical Center-Hancock
Acute Care Hospitals · Bay Saint Louis, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
HAMMOND, LA 70403
HAMMOND, LA 70403
HAMMOND, LA 70403
HAMMOND, LA 70403
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 Greg Parker's NPI number?
The NPI number for Greg Parker is 1255502316. It was assigned to this individual provider in the NPPES registry on March 17, 2008.
Where is Greg Parker located?
Greg Parker practices at 15790 Paul Vega MD Dr, Hammond, LA 70403. The listed phone number is (985) 230-1682.
What is Greg Parker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Greg Parker enrolled in Medicare?
Yes. Greg Parker 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 organization bills Medicare for Greg Parker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greg Parker reassigns Medicare benefits to Hancock Emergency Group LLC (Bay St Louis, MS). The 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 Greg Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Greg Parker affiliated with any hospitals?
According to CMS data, Greg Parker is affiliated with Ochsner Medical Center-Hancock.
When was this NPI record last updated?
The NPPES record for Greg Parker was last updated on September 25, 2017. 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. Greg Edward Parker, M.D. · NPI 1255502316
Emergency Medicine physician in Hammond, Louisiana. Individual provider, active in the CMS NPPES registry since March 17, 2008.
## Identity
- **NPI:** 1255502316 (Entity type: Individual)
- **Enumerated:** March 17, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD.202505 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 15790 PAUL VEGA MD DR, Hammond, LA 70403-1434
- **Phone:** (985) 230-1682 · **Fax:** (985) 230-1617
## 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:** Hancock Emergency Group LLC (NPI 1295142396, Bay St Louis, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2006
## Record status
- **NPPES last updated:** September 25, 2017
- **Other identifiers:** Medicaid 1500488 (LA); Other P00734065 (LA); Medicare PIN 4N9997263 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255502316) · Data from the CMS NPPES public registry.