MARISSA GRIFFIN WHNP
NPI 1366050809
Nurse Practitioner - Women's Health in Hammond, LA
About Marissa Griffin Whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA GRIFFIN WHNP (NPI 1366050809) is an individual women's health provider in Hammond, Louisiana, licensed in Louisiana (211703) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Marissa Griffin Whnp 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
4Medicare enrollment records show Marissa Griffin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 310 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 218 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 14 clinicians in this Medicare group
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 154 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Oaks Medical Center
Acute Care Hospitals · Hammond, LAPhysician 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 12
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
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 Marissa Griffin's NPI number?
The NPI number for Marissa Griffin is 1366050809. It was assigned to this individual provider in the NPPES registry on July 21, 2020. The provider is also known as Marissa Cannon Whnp.
Where is Marissa Griffin located?
Marissa Griffin practices at 15813 Paul Vega MD Dr Ste 200, Hammond, LA 70403. The listed phone number is (985) 230-7650.
What is Marissa Griffin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Marissa Griffin enrolled in Medicare?
Yes. Marissa Griffin 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 Marissa Griffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Griffin reassigns Medicare benefits to 4 organizations: North Oaks Medical Center, LLC (Hammond, LA), North Oaks Physician Group, LLC (Hammond, LA), North Oaks Obstetrics & Gynecology (Hammond, LA) and Baton Rouge General Physicians, Inc. (Baton Rouge, 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 Marissa Griffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marissa Griffin accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Marissa Griffin 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 Marissa Griffin affiliated with any hospitals?
According to CMS data, Marissa Griffin is affiliated with North Oaks Medical Center.
When was this NPI record last updated?
The NPPES record for Marissa Griffin was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Marissa Griffin, WHNP · NPI 1366050809
Women's Health physician in Hammond, Louisiana. Individual provider, active in the CMS NPPES registry since July 21, 2020.
## Identity
- **NPI:** 1366050809 (Entity type: Individual)
- **Enumerated:** July 21, 2020
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 211703 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 15813 PAUL VEGA MD DR STE 200, Hammond, LA 70403-1431
- **Phone:** (985) 230-7650 · **Fax:** (985) 230-7655
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): North Oaks Medical Center, LLC (NPI 1972630705, Hammond, LA); North Oaks Physician Group, LLC (NPI 1427035211, Hammond, LA); North Oaks Obstetrics & Gynecology (NPI 1659313245, Hammond, LA); Baton Rouge General Physicians, Inc. (NPI 1609134766, Baton Rouge, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1366050809) · Data from the CMS NPPES public registry.