HORIZON MEDICAL, P.A.
NPI 1003764432
Internal Medicine in Zephyrhills, FL
About Horizon Medical, P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HORIZON MEDICAL, P.A. (NPI 1003764432) is a healthcare organization registered as an internal medicine in Zephyrhills, Florida and active in the NPI registry since March 2026. The organization lists Waseem Ghannam, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Horizon Medical, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Horizon Medical, P.A., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Horizon Medical, P.A.'s NPI number?
The NPI number for Horizon Medical, P.A. is 1003764432. It was assigned to this organization in the NPPES registry on March 20, 2026.
Where is Horizon Medical, P.A. located?
Horizon Medical, P.A. is located at 38220 Henry Dr, Zephyrhills, FL 33542. The listed phone number is (704) 231-4571.
What is Horizon Medical, P.A.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Horizon Medical, P.A. enrolled in Medicare?
Yes. Horizon Medical, P.A. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Horizon Medical, P.A.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Horizon Medical, P.A.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Horizon Medical, P.A. was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Horizon Medical, P.a. · NPI 1003764432
Internal Medicine organization in Zephyrhills, Florida. Organization record, active in the CMS NPPES registry since March 20, 2026.
## Identity
- **NPI:** 1003764432 (Entity type: Organization)
- **Enumerated:** March 20, 2026
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Waseem Ghannam, PRESIDENT
## Practice location
- **Address:** 38220 HENRY DR, Zephyrhills, FL 33542-7535
- **Phone:** (704) 231-4571
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003764432) · Data from the CMS NPPES public registry.