WILLIAM ALEXIS M.D.
NPI 1861424939
Internal Medicine - Interventional Cardiology in Pembroke Pines, FL
About William Alexis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ALEXIS M.D. (NPI 1861424939) is an individual interventional cardiology provider in Pembroke Pines, Florida, licensed in Florida (ME83219) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Regional Hospital, and is a graduate of Boston University School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
William Alexis 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
7Medicare enrollment records show William Alexis reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pembroke Pines, FL 33028
- Reassigned Medicare billing, Florida enrollment
Pembroke Pines, FL 33028
- Reassigned Medicare billing, Florida enrollment
- 56 clinicians in this Medicare group
Miramar, FL 33029
- Reassigned Medicare billing, Florida enrollment
- 36 clinicians in this Medicare group
Pembroke Pines, FL 33024
- Reassigned Medicare billing, Florida enrollment
- 41 clinicians in this Medicare group
Hollywood, FL 33021
- Reassigned Medicare billing, Florida enrollment
- 50 clinicians in this Medicare group
Hollywood, FL 33021
- Reassigned Medicare billing, Florida enrollment
- 10 clinicians in this Medicare group
Plantation, FL 33313
- Reassigned Medicare billing, Florida enrollment
- 56 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 14
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Regional Hospital
Acute Care Hospitals · Hollywood, FLMemorial Hospital Pembroke
Acute Care Hospitals · Pembroke Pines, FLMemorial Hospital West
Acute Care Hospitals · Pembroke Pines, FLMemorial Hospital Miramar
Acute Care Hospitals · Miramar, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33028 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PEMBROKE PINES, FL 33028
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 William Alexis's NPI number?
The NPI number for William Alexis is 1861424939. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is William Alexis located?
William Alexis practices at 601 N Flamingo Rd Ste 209, Pembroke Pines, FL 33028. The listed phone number is (954) 688-4600.
What is William Alexis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is William Alexis enrolled in Medicare?
Yes. William Alexis 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 William Alexis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Alexis reassigns Medicare benefits to 7 organizations: William R Alexis MD PA (Pembroke Pines, FL), Ekg Associates Inc (Pembroke Pines, FL), Miramar Ekg Readers (Miramar, FL), Cardiology & Neurology Associates Inc (Pembroke Pines, FL), Hollywood Medical Center Ekg Associates PA (Hollywood, FL) and 2 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 William Alexis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Alexis accept?
Health plans from 22 Health, AvMed, Cigna HealthCare of Florida, Inc., Cigna Healthcare and Florida Blue (BlueCross BlueShield FL) and 3 other insurers list William Alexis 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 William Alexis affiliated with any hospitals?
According to CMS data, William Alexis is affiliated with Memorial Regional Hospital, Memorial Hospital Pembroke, Memorial Hospital West and Memorial Hospital Miramar.
When was this NPI record last updated?
The NPPES record for William Alexis was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.