MS. ANDREA LYNN GAGLIANO FNP
NPI 1386495935
Nurse Practitioner in O Fallon, MO
About Ms. Andrea Lynn Gagliano Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ANDREA LYNN GAGLIANO FNP (NPI 1386495935) is an individual nurse practitioner in O Fallon, Missouri, licensed in Missouri (2024011319) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Andrea Lynn Gagliano Fnp 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 Andrea Gagliano reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake St Louis, MO 63367
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- 114 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 clinicians in this Medicare group
Chattanooga, TN 37403
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Southeastern Emergency Services Of Memphis PC
- 89 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm St Joseph Health Center
Acute Care Hospitals · Saint Charles, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63368 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
O FALLON, MO 63368
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 Andrea Gagliano's NPI number?
The NPI number for Andrea Gagliano is 1386495935. It was assigned to this individual provider in the NPPES registry on April 1, 2024.
Where is Andrea Gagliano located?
Andrea Gagliano practices at 2 Progress Point Pkwy Dept Emergency Med, O Fallon, MO 63368. The listed phone number is (314) 362-9123.
What is Andrea Gagliano's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Andrea Gagliano enrolled in Medicare?
Yes. Andrea Gagliano 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 Andrea Gagliano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Gagliano reassigns Medicare benefits to 4 organizations: Ssm Health Care St. Louis (Lake St Louis, MO), Washington University Community Specialists, LLC (Saint Louis, MO), Southeastern Emergency Physicians Of Memphis LLC (Alton, IL) and Southeastern Emergency Services Of Memphis, P.C. (Chattanooga, 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 Andrea Gagliano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrea Gagliano accept?
Health plans from Anthem Blue Cross and Blue Shield list Andrea Gagliano 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 Andrea Gagliano affiliated with any hospitals?
According to CMS data, Andrea Gagliano is affiliated with Ssm St Joseph Health Center.
When was this NPI record last updated?
The NPPES record for Andrea Gagliano was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.