DR. ALEXANDRA GERASSIMIDES M.D.
NPI 1245233626
Pathology - Anatomic Pathology & Clinical Pathology in Louisville, KY
About Dr. Alexandra Gerassimides M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDRA GERASSIMIDES M.D. (NPI 1245233626) is an individual anatomic pathology & clinical pathology provider in Louisville, Kentucky, licensed in Kentucky (25558) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with Norton Hospitals, Inc, and is a graduate of University Of Louisville School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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
Dr. Alexandra Gerassimides M.d. 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
2Medicare enrollment records show Alexandra Gerassimides reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 6 clinicians in this Medicare group
Louisville, KY 40220
- Reassigned Medicare billing, Kentucky enrollment
- 30 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.
Norton Hospitals, Inc
Acute Care Hospitals · Louisville, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40202 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.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Alexandra Gerassimides's NPI number?
The NPI number for Alexandra Gerassimides is 1245233626. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Alexandra Gerassimides located?
Alexandra Gerassimides practices at 231 E Chestnut St Pathology Dept, Louisville, KY 40202. The listed phone number is (502) 456-6212.
What is Alexandra Gerassimides's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Alexandra Gerassimides enrolled in Medicare?
Yes. Alexandra Gerassimides 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 Alexandra Gerassimides's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Gerassimides reassigns Medicare benefits to 2 organizations: Pediatric And Perinatal Pathology Associates Psc (Louisville, KY) and Clinical Associates LLC (Louisville, KY). 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 Alexandra Gerassimides's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Gerassimides accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Alexandra Gerassimides 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 Alexandra Gerassimides affiliated with any hospitals?
According to CMS data, Alexandra Gerassimides is affiliated with Norton Hospitals, Inc.
When was this NPI record last updated?
The NPPES record for Alexandra Gerassimides was last updated on February 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.