MARIUS ALEXANDER MD
NPI 1174147029
Emergency Medicine in Leesburg, FL
About Marius Alexander Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIUS ALEXANDER MD (NPI 1174147029) is an individual emergency medicine provider in Leesburg, Florida, licensed in Tennessee (76233) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Christus St Frances Cabrini Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Marius Alexander Md 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
16Medicare enrollment records show Marius Alexander reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Davenport, FL 33837
- Reassigned Medicare billing, Florida enrollment
- 98 clinicians in this Medicare group
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 clinicians in this Medicare group
Lake Wales, FL 33853
- Reassigned Medicare billing, Florida enrollment
- 99 clinicians in this Medicare group
Prattville, AL 36067
- Reassigned Medicare billing, Alabama enrollment
- 223 clinicians in this Medicare group
Myrtle Beach, SC 29572
- Reassigned Medicare billing, South Carolina enrollment
- 559 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Alabama and Florida enrollments
- 646 clinicians in this Medicare group
Newport, TN 37821
- Reassigned Medicare billing, Tennessee enrollment
- 664 clinicians in this Medicare group
Whitesburg, KY 41858
- Reassigned Medicare billing, Kentucky enrollment
- 579 clinicians in this Medicare group
Hazard, KY 41701
- Reassigned Medicare billing, Kentucky enrollment
- 153 clinicians in this Medicare group
Alexandria, LA 71301
- Reassigned Medicare billing, Louisiana enrollment
- 178 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus St Frances Cabrini Hospital
Acute Care Hospitals · Alexandria, LALane Regional Medical Center
Acute Care Hospitals · Zachary, LAMorehouse General Hospital
Acute Care Hospitals · Bastrop, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34748 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEESBURG, FL 34748
LEESBURG, FL 34748
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 Marius Alexander's NPI number?
The NPI number for Marius Alexander is 1174147029. It was assigned to this individual provider in the NPPES registry on June 5, 2020.
Where is Marius Alexander located?
Marius Alexander practices at 600 E Dixie Ave, Leesburg, FL 34748. The listed phone number is (352) 323-5762.
What is Marius Alexander's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marius Alexander enrolled in Medicare?
Yes. Marius Alexander 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 Marius Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marius Alexander reassigns Medicare benefits to 16 organizations: Ridgewood Emergency Group, LLC (Davenport, FL), Paragon Emergency Services LLC (Winter Haven, FL), Lake Wales Emergency Physicians, LLC (Lake Wales, FL), Emergency Services Of Montgomery PC (Prattville, AL), Acs Primary Care Physicians - Southeast PC (Myrtle Beach, SC) and 11 more organizations, listed in the Medicare section above. 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 Marius Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marius Alexander accept?
Health plans from Blue Cross and Blue Shield of Alabama, CHRISTUS Health Plan, CareSource, Health Advantage and Octave and 4 other insurers list Marius Alexander 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 Marius Alexander affiliated with any hospitals?
According to CMS data, Marius Alexander is affiliated with Christus St Frances Cabrini Hospital, Lane Regional Medical Center and Morehouse General Hospital.
When was this NPI record last updated?
The NPPES record for Marius Alexander was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.
# Marius Alexander, MD · NPI 1174147029
Emergency Medicine physician in Leesburg, Florida. Individual provider, active in the CMS NPPES registry since June 5, 2020.
## Identity
- **NPI:** 1174147029 (Entity type: Individual)
- **Enumerated:** June 5, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 76233 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 E DIXIE AVE, Leesburg, FL 34748-5925
- **Phone:** (352) 323-5762
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 16 organizations under Medicare reassignment (form CMS-855R): Ridgewood Emergency Group, LLC (NPI 1750862694, Davenport, FL); Paragon Emergency Services LLC (NPI 1912101650, Winter Haven, FL); Lake Wales Emergency Physicians, LLC (NPI 1033480405, Lake Wales, FL); Emergency Services Of Montgomery PC (NPI 1528310323, Prattville, AL); Acs Primary Care Physicians - Southeast PC (NPI 1861430555, Myrtle Beach, SC); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** October 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174147029) · Data from the CMS NPPES public registry.