MRS. REBECCA LYNN GROB NP
NPI 1770040248
Nurse Practitioner in Slidell, LA
About Mrs. Rebecca Lynn Grob Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. REBECCA LYNN GROB NP (NPI 1770040248) is an individual nurse practitioner in Slidell, Louisiana, licensed in Louisiana (203910) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and maintains a secondary practice location in Picayune.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Mrs. Rebecca Lynn Grob 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
11Medicare enrollment records show Rebecca Grob reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Slidell, LA 70458
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Slidell, LA 70460
- Reassigned Medicare billing, Louisiana enrollment
- 18 clinicians in this Medicare group
Picayune, MS 39466
- Reassigned Medicare billing, Mississippi enrollment
- 38 clinicians in this Medicare group
Picayune, MS 39466
- Reassigned Medicare billing, Mississippi enrollment
- 326 clinicians in this Medicare group
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- 65 clinicians in this Medicare group
Diberville, MS 39540
- Reassigned Medicare billing, Mississippi enrollment
- 47 clinicians in this Medicare group
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- 64 clinicians in this Medicare group
Pascagoula, MS 39567
- Reassigned Medicare billing, Mississippi enrollment
- 51 clinicians in this Medicare group
Hattiesburg, MS 39401
- Reassigned Medicare billing, Mississippi enrollment
- 48 clinicians in this Medicare group
New York, NY 10022
- Reassigned Medicare billing, Missouri, Mississippi and Vermont enrollments
- Medicare enrollment name: Daniel Funsch Jr MD PC
- 4 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.
Ochsner Medical Center Acute
Acute Care Hospitals · New Orleans, LASlidell Memorial Hospital
Acute Care Hospitals · Slidell, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70458 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SLIDELL, LA 70458
SLIDELL, LA 70458
SLIDELL, LA 70458
SLIDELL, LA 70458
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 Rebecca Grob's NPI number?
The NPI number for Rebecca Grob is 1770040248. It was assigned to this individual provider in the NPPES registry on February 20, 2019. The provider is also known as Rebecca Lynn Williams Rn.
Where is Rebecca Grob located?
Rebecca Grob practices at 1051 Gause Blvd. Suite 230, Slidell, LA 70458. The listed phone number is (985) 641-7577.
What is Rebecca Grob's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Rebecca Grob enrolled in Medicare?
Yes. Rebecca Grob 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 Rebecca Grob's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Grob reassigns Medicare benefits to 11 organizations: Ochsner Clinic LLC (Slidell, LA), Maxem Health Urgent Care Slidell (Slidell, LA), Picayune Urgent Care Clinic, LLC (Picayune, MS), Ochsner Mississippi, LLC (Picayune, MS), Orange Grove Urgent Care (Gulfport, MS) and 6 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 Rebecca Grob's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Grob accept?
Health plans from Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Louisiana, HMO Louisiana and Oscar Health Plan, Inc. list Rebecca Grob 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 Rebecca Grob affiliated with any hospitals?
According to CMS data, Rebecca Grob is affiliated with Ochsner Medical Center Acute and Slidell Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Rebecca Grob was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Mrs. Rebecca Lynn Grob, NP · NPI 1770040248
Nurse Practitioner physician in Slidell, Louisiana. Individual provider, active in the CMS NPPES registry since February 20, 2019.
## Identity
- **NPI:** 1770040248 (Entity type: Individual)
- **Enumerated:** February 20, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 203910 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1051 GAUSE BLVD., SUITE 230, Slidell, LA 70458
- **Phone:** (985) 641-7577 · **Fax:** (985) 643-0826
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1245858828, Slidell, LA); Maxem Health Urgent Care Slidell (NPI 1619409158, Slidell, LA); Picayune Urgent Care Clinic, LLC (NPI 1780723502, Picayune, MS); Ochsner Mississippi, LLC (NPI 1487253407, Picayune, MS); Orange Grove Urgent Care (NPI 1831330661, Gulfport, MS); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770040248) · Data from the CMS NPPES public registry.