ILEN DIAZ ARNP
NPI 1669953535
Nurse Practitioner - Family in Miramar, FL
About Ilen Diaz Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILEN DIAZ ARNP (NPI 1669953535) is an individual family provider in Miramar, Florida, licensed in Florida (ARNP9350669) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Ilen Diaz Arnp 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 Ilen Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Miramar, FL 33027
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Coral Gables, FL 33134
- Reassigned Medicare billing, Florida enrollment
- 19 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ilen Diaz's NPI number?
The NPI number for Ilen Diaz is 1669953535. It was assigned to this individual provider in the NPPES registry on August 28, 2018.
Where is Ilen Diaz located?
Ilen Diaz practices at 16514 SW 19th St, Miramar, FL 33027. The listed phone number is (786) 270-9389.
What is Ilen Diaz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Ilen Diaz enrolled in Medicare?
Yes. Ilen Diaz 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 Ilen Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilen Diaz reassigns Medicare benefits to 2 organizations: Francisco Flores MD PA (Miramar, FL) and The Derm Group LLP (Coral Gables, FL). 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 Ilen Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ilen Diaz accept?
Health plans from 22 Health, Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama and Cigna HealthCare of Florida, Inc. and 2 other insurers list Ilen Diaz 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.
When was this NPI record last updated?
The NPPES record for Ilen Diaz was last updated on August 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Ilen Diaz, ARNP · NPI 1669953535
Family physician in Miramar, Florida. Individual provider, active in the CMS NPPES registry since August 28, 2018.
## Identity
- **NPI:** 1669953535 (Entity type: Individual)
- **Enumerated:** August 28, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** ARNP9350669 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 16514 SW 19TH ST, Miramar, FL 33027-4466
- **Phone:** (786) 270-9389
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Francisco Flores MD PA (NPI 1033302260, Miramar, FL); The Derm Group LLP (NPI 1801448519, Coral Gables, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 28, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1669953535) · Data from the CMS NPPES public registry.