MRS. LEXI K MORGENSTERN MS, APRN, FNP-C
NPI 1942938485
Nurse Practitioner - Family in Biloxi, MS

Active since August 11, 2022PECOS EnrolledAccepts Medicare Assignment
90.3/100
CMS Quality Rating
2650 BEACH BLVD STE 40, BILOXI, MS 39531(228) 273-4611 Get Directions Write a Review

NPPES record last updated: March 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 6, 2026, Sep 6, 2023, Aug 22, 2023 and 1 more (4 updates tracked since 2022).

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

NPI1942938485
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. LEXI K MORGENSTERNCredential: MS, APRN, FNP-C
Location Address2650 BEACH BLVD STE 40Biloxi, MS 39531-4517
Mailing Address14168 Fox Hill DrGulfport, MS 39503-5392 · (228) 861-8419
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 11, 2022
Last NPPES UpdateMarch 6, 20264 updates tracked since enumeration
NPPES CertifiedMarch 6, 2026
✔ NPI 1942938485 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 MS · 905558
2650 BEACH BLVD STE 40, Biloxi, MS 39531

Other Names 1

Former Name (1)Ms. Lexi K Siler

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.

PECOS PAC ID6002284502
PECOS Enrollment IDI20221114002942
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

4

Medicare 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.

Internal Medicine
2650 BEACH BLVD STE 40
Biloxi, MS 39531
  • Reassigned Medicare billing, Mississippi enrollment
  • 27 clinicians in this Medicare group
Adult Health
1278 OCEAN SPRINGS RD
Ocean Springs, MS 39564
  • Reassigned Medicare billing, Mississippi enrollment
  • 10 clinicians in this Medicare group
Rural Health
517 CITY AVE S
Ripley, MS 38663
  • Reassigned Medicare billing, Mississippi enrollment
  • 463 clinicians in this Medicare group
Acute Care
2099 N MOUNT JULIET RD
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
107 services105 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
47 services46 patients
Ultrasound study of arm and leg arteries 93922
An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.
18 services18 patients

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.

New Patient
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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.

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.

90.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.42
Improvement Activities40

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.

Nurse Practitioner (Family)
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Nurse Practitioner (Family)
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Nurse Practitioner (Family)
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Family Medicine
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Family Medicine
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Internal Medicine
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Nurse Practitioner (Family)
2650 BEACH BLVD STE 40
BILOXI, MS 39531
Internal Medicine
2650 BEACH BLVD STE 40
BILOXI, MS 39531

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.