MARGARET MILES GREGG NP
NPI 1255179115
Nurse Practitioner - Acute Care in Jackson, MS
About Margaret Miles Gregg Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET MILES GREGG NP (NPI 1255179115) is an individual acute care provider in Jackson, Mississippi, licensed in Mississippi (906802) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS, is affiliated with St Dominic-jackson Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Margaret Miles Gregg Np 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
3Medicare enrollment records show Margaret Gregg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 62 clinicians in this Medicare group
Greenwood, MS 38930
- Reassigned Medicare billing, Mississippi enrollment
- Medicare enrollment name: Greenwood Leflore Hospital
- 78 clinicians in this Medicare group
Greenwood, MS 38930
- Reassigned Medicare billing, Mississippi enrollment
- 2 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Dominic-Jackson Memorial Hospital
Acute Care Hospitals · Jackson, MSGreenwood Leflore Hospital
Acute Care Hospitals · Greenwood, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39216 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.
JACKSON, MS 39216
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 Margaret Gregg's NPI number?
The NPI number for Margaret Gregg is 1255179115. It was assigned to this individual provider in the NPPES registry on July 16, 2024.
Where is Margaret Gregg located?
Margaret Gregg practices at 969 Lakeland Dr, Jackson, MS 39216. The listed phone number is (601) 200-5354.
What is Margaret Gregg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Margaret Gregg enrolled in Medicare?
Yes. Margaret Gregg 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 Margaret Gregg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Gregg reassigns Medicare benefits to 3 organizations: St. Dominic Jackson Memorial (Jackson, MS), State Of Mississippi - University Of Mississippi Medical Center (Greenwood, MS) and Greenwood Leflore Hospital (Greenwood, MS). 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 Margaret Gregg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Gregg accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Margaret Gregg 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 Margaret Gregg affiliated with any hospitals?
According to CMS data, Margaret Gregg is affiliated with St Dominic-Jackson Memorial Hospital and Greenwood Leflore Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Gregg was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.
# Margaret Miles Gregg, NP · NPI 1255179115
Acute Care physician in Jackson, Mississippi. Individual provider, active in the CMS NPPES registry since July 16, 2024.
## Identity
- **NPI:** 1255179115 (Entity type: Individual)
- **Enumerated:** July 16, 2024
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 906802 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 969 LAKELAND DR, Jackson, MS 39216-4606
- **Phone:** (601) 200-5354 · **Fax:** (601) 200-0124
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): St. Dominic Jackson Memorial (NPI 1235173691, Jackson, MS); State Of Mississippi - University Of Mississippi Medical Center (NPI 1699714717, Greenwood, MS); Greenwood Leflore Hospital (NPI 1083674204, Greenwood, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** September 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255179115) · Data from the CMS NPPES public registry.