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NERISSA TRASK CHRISTIAN FNP-C
NPI 1689105009
Nurse Practitioner - Family in Slidell, LA

Active since March 27, 2017PECOS EnrolledAccepts Medicare Assignment
1300 GAUSE BLVD STE C4, SLIDELL, LA 70458(985) 288-6419 Get Directions Write a Review

NPPES record last updated: March 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2026, Jan 30, 2026, Mar 27, 2017 (3 updates tracked since 2017).

About Nerissa Trask Christian Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NERISSA TRASK CHRISTIAN FNP-C (NPI 1689105009) is an individual family provider in Slidell, Louisiana, licensed in Louisiana (AP09250) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Slidell Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1689105009
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameNERISSA TRASK CHRISTIANCredential: FNP-C
Location Address1300 GAUSE BLVD STE C4Slidell, LA 70458-3041
Mailing Address6101 Blue Lagoon Dr Ste 200Miami, FL 33126-3168 · (305) 500-2000
Phone(985) 288-6419
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 27, 2017
Last NPPES UpdateMarch 6, 20263 updates tracked since enumeration
NPPES CertifiedMarch 6, 2026
✔ NPI 1689105009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in LA · AP09250
1300 GAUSE BLVD STE C4, Slidell, LA 70458
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.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

Nerissa Trask Christian Fnp-c 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.

PECOS PAC ID143576314
PECOS Enrollment IDI20180629001442
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Nerissa Christian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centerwell Senior Primary Care (la) PC
Same address
Internal Medicine
1300 GAUSE BLVD STE C4
Slidell, LA 70458
  • Reassigned Medicare billing, Louisiana enrollment
  • 55 clinicians in this Medicare group
NPI 1285200048 (985) 288-6419
Apogee Medical Group, Louisiana, Inc.
1,319 mi
Specialist
15059 N SCOTTSDALE ROAD, SUITE 600
Scottsdale, AZ 85254
  • Reassigned Medicare billing, Louisiana enrollment
  • 104 clinicians in this Medicare group
NPI 1932347903 (602) 778-3600

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.

Slidell Memorial Hospital

Acute Care Hospitals · Slidell, LA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190040
Location1001 Gause BlvdSlidell, LA 70458 · St. Tammany County
Emergency services Birthing friendly

Physician 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.

New Patient
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

CENTERWELL SENIOR PRIMARY CARE (LA) PC
Internal Medicine
1300 GAUSE BLVD STE C4
SLIDELL, LA 70458
St. Tammany Parish (985) 288-6419
NICHOLE TURNER FNP-BC
Nurse Practitioner (Family)
1300 GAUSE BLVD STE C4
SLIDELL, LA 70458
St. Tammany Parish (985) 288-6419
DR. MICHAEL PAUL GUARISCO M.D.
Internal Medicine
1300 GAUSE BLVD STE C4
SLIDELL, LA 70458
St. Tammany Parish (985) 288-6419
SHANTEL R BATISTE NP
Nurse Practitioner (Family)
1300 GAUSE BLVD STE C4
SLIDELL, LA 70458
St. Tammany Parish (985) 288-6419
TERESA ELIZABETH GARRISON M.D.
Internal Medicine
1300 GAUSE BLVD STE C4
SLIDELL, LA 70458
St. Tammany Parish (985) 288-6419
DR. MELINA SAPIDA D.O.
Family Medicine
1300 GAUSE BLVD STE C4
SLIDELL, LA 70458
St. Tammany Parish (985) 288-6419

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 Nerissa Christian's NPI number?

The NPI number for Nerissa Christian is 1689105009. It was assigned to this individual provider in the NPPES registry on March 27, 2017.

Where is Nerissa Christian located?

Nerissa Christian practices at 1300 Gause Blvd Ste C4, Slidell, LA 70458. The listed phone number is (985) 288-6419.

What is Nerissa Christian's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Nerissa Christian enrolled in Medicare?

Yes. Nerissa Christian 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 Nerissa Christian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nerissa Christian reassigns Medicare benefits to 2 organizations: Centerwell Senior Primary Care (la) PC (Slidell, LA) and Apogee Medical Group, Louisiana, Inc. (Scottsdale, AZ). 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 Nerissa Christian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nerissa Christian accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Nerissa Christian 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 Nerissa Christian affiliated with any hospitals?

According to CMS data, Nerissa Christian is affiliated with Slidell Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nerissa Christian was last updated on March 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.