MRS. LEXI K MORGENSTERN MS, APRN, FNP-C
NPI 1942938485
Nurse Practitioner - Family in Biloxi, MS
About Mrs. Lexi K Morgenstern Ms, Aprn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LEXI K MORGENSTERN MS, APRN, FNP-C (NPI 1942938485) is an individual family provider in Biloxi, Mississippi, licensed in Mississippi (905558) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Lexi K Morgenstern Ms, Aprn, 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.
Medicare Billing Reassignments
4Medicare enrollment records show Lexi Morgenstern reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Biloxi, MS 39531
- Reassigned Medicare billing, Mississippi enrollment
- 27 clinicians in this Medicare group
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- 10 clinicians in this Medicare group
Ripley, MS 38663
- Reassigned Medicare billing, Mississippi enrollment
- 463 clinicians in this Medicare group
Mount Juliet, TN 37122
- Reassigned Medicare billing, Mississippi enrollment
- 11 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39531 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Lexi Morgenstern's NPI number?
The NPI number for Lexi Morgenstern is 1942938485. It was assigned to this individual provider in the NPPES registry on August 11, 2022. The provider is also known as Ms. Lexi K Siler.
Where is Lexi Morgenstern located?
Lexi Morgenstern practices at 2650 Beach Blvd Ste 40, Biloxi, MS 39531. The listed phone number is (228) 273-4611.
What is Lexi Morgenstern's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lexi Morgenstern enrolled in Medicare?
Yes. Lexi Morgenstern 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 Lexi Morgenstern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lexi Morgenstern reassigns Medicare benefits to 4 organizations: Centerwell Senior Primary Care Ms PC (Biloxi, MS), The Diabetes Center, PLLC (Ocean Springs, MS), Fast Pace Mississippi, PLLC (Ripley, MS) and Regional Healthcare Group LLC (Mount Juliet, TN). 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 Lexi Morgenstern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lexi Morgenstern accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list Lexi Morgenstern 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.
When was this NPI record last updated?
The NPPES record for Lexi Morgenstern 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 8 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.