JOHN RUFO DIAZ MD
NPI 1780489765
Family Medicine in Naples, FL
About John Rufo Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN RUFO DIAZ MD (NPI 1780489765), doing business as John Rufo Diaz Md Llc, is a healthcare organization registered as a family medicine in Naples, Florida and active in the NPI registry since February 2025. The organization lists John R Diaz, Owner/md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
John Rufo Diaz Md 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 John Rufo Diaz MD, 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 John Rufo Diaz MD's NPI number?
The NPI number for John Rufo Diaz MD is 1780489765. It was assigned to this organization in the NPPES registry on February 14, 2025. The provider is doing business as John Rufo Diaz MD LLC.
Where is John Rufo Diaz MD located?
John Rufo Diaz MD is located at 5470 Bryson Ct, Naples, FL 34109. The listed phone number is (239) 451-9747.
What is John Rufo Diaz MD's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Rufo Diaz MD enrolled in Medicare?
Yes. John Rufo Diaz MD is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John Rufo Diaz MD?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to John Rufo Diaz MD. 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 John Rufo Diaz MD was last updated on February 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# John Rufo Diaz Md · NPI 1780489765
Family Medicine organization in Naples, Florida. Organization record, active in the CMS NPPES registry since February 14, 2025.
## Identity
- **NPI:** 1780489765 (Entity type: Organization)
- **Enumerated:** February 14, 2025
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Also known as:** John Rufo Diaz MD LLC (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** John Diaz, OWNER/MD
## Practice location
- **Address:** 5470 BRYSON CT, Naples, FL 34109-6000
- **Phone:** (239) 451-9747
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780489765) · Data from the CMS NPPES public registry.