CAROLINE M METZEL DIAZ DNP, APRN, FNP-BC
NPI 1972931723
Nurse Practitioner in Aventura, FL

Active since October 14, 2013PECOS EnrolledAccepts Medicare Assignment
20801 BISCAYNE BLVD STE 200, AVENTURA, FL 33180(954) 265-4325(954) 935-3186 Get Directions Write a Review

NPPES record last updated: March 17, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2021, Jun 29, 2020, May 31, 2019 and 2 more (5 updates tracked since 2016).

About Caroline M Metzel Diaz Dnp, Aprn, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAROLINE M METZEL DIAZ DNP, APRN, FNP-BC (NPI 1972931723) is an individual nurse practitioner in Aventura, Florida, licensed in Florida (9283810) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Hospital, and maintains a secondary practice location in Pembroke Pines.

NPPES Registry Identity

NPI1972931723
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCAROLINE M METZEL DIAZCredential: DNP, APRN, FNP-BC
Location Address20801 BISCAYNE BLVD STE 200Aventura, FL 33180-1422
Mailing Address2900 Corporate Way, Door DMiramar, FL 33025-3925 · (954) 276-5685 · Fax (954) 985-7074
Fax(954) 935-3186
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateOctober 14, 2013
Last NPPES UpdateMarch 17, 20215 updates tracked since enumeration
NPPES CertifiedMarch 17, 2021
✔ NPI 1972931723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in FL · 9283810
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
20801 BISCAYNE BLVD STE 200, Aventura, FL 33180

Secondary Practice Location 1

Location 1603 N Flamingo Rd Ste 151Pembroke Pines, FL 33028-1021 · Phone (954) 265-4325 · Fax (954) 443-4615

Other Identifiers 1

Medicaid016033600FL

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

Caroline M Metzel Diaz Dnp, Aprn, Fnp-bc 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.

PECOS PAC ID1456582824
PECOS Enrollment IDI20140327001809
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Caroline Metzel Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Orthopaedic Surgery
3440 HOLLYWOOD BLVD STE 140
Hollywood, FL 33021
  • Reassigned Medicare billing, Florida enrollment
  • 466 clinicians in this Medicare group
Clinic/Center
2950 CLEVELAND CLINIC BLVD
Weston, FL 33331
  • Reassigned Medicare billing, Florida enrollment
  • 839 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 2

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
178 services101 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cleveland Clinic Hospital

Acute Care Hospitals · Weston, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100289
Location3100 Weston RdWeston, FL 33331 · Broward County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33180 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.13 typical visit price
range $60.92 – $187.05
Typical copayment $24.03 (range $15.23 – $46.76)
Most-billed visit code 99203
Established Patient
$107.17 typical visit price
range $18.99 – $150.24
Typical copayment $26.79 (range $4.74 – $37.56)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Hematology & Oncology)
20801 BISCAYNE BLVD STE 200
AVENTURA, FL 33180
Psychiatry & Neurology (Neuromuscular Medicine)
20801 BISCAYNE BLVD STE 200
AVENTURA, FL 33180
Obstetrics & Gynecology (Maternal & Fetal Medicine)
20801 BISCAYNE BLVD STE 200
AVENTURA, FL 33180
Nurse Practitioner (Family)
20801 BISCAYNE BLVD STE 200
AVENTURA, FL 33180

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 Caroline Metzel Diaz's NPI number?

The NPI number for Caroline Metzel Diaz is 1972931723. It was assigned to this individual provider in the NPPES registry on October 14, 2013.

Where is Caroline Metzel Diaz located?

Caroline Metzel Diaz practices at 20801 Biscayne Blvd Ste 200, Aventura, FL 33180. The listed phone number is (954) 265-4325.

What is Caroline Metzel Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Caroline Metzel Diaz enrolled in Medicare?

Yes. Caroline Metzel 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 Caroline Metzel Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Metzel Diaz reassigns Medicare benefits to 2 organizations: South Broward Hospital District (Hollywood, FL) and Cleveland Clinic Florida A Nonprofit Corporation (Weston, 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 Caroline Metzel Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Metzel Diaz accept?

Health plans from Ambetter Health, Ambetter of Alabama, Cigna HealthCare of Florida, Inc., Cigna Healthcare and UnitedHealthcare list Caroline Metzel 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.

Is Caroline Metzel Diaz affiliated with any hospitals?

According to CMS data, Caroline Metzel Diaz is affiliated with Cleveland Clinic Hospital.

When was this NPI record last updated?

The NPPES record for Caroline Metzel Diaz was last updated on March 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.