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MELISSA HAYDEE DIAZ ARNP
NPI 1437600848
Nurse Practitioner in Hollywood, FL

Active since October 20, 2016PECOS Enrolled
1150 N 35TH AVENUE, SUITE 100, HOLLYWOOD, FL 33021(954) 265-2234(954) 985-2288 Get Directions Write a Review

NPPES record last updated: March 11, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 11, 2021, Jan 21, 2021, Oct 20, 2016 (3 updates tracked since 2016).

About Melissa Haydee Diaz Arnp NPPES

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

MELISSA HAYDEE DIAZ ARNP (NPI 1437600848) is an individual nurse practitioner in Hollywood, Florida, licensed in Florida (APRN9185350) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437600848
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMELISSA HAYDEE DIAZCredential: ARNP
Location Address1150 N 35TH AVENUE, SUITE 100Hollywood, FL 33021
Mailing Address2900 Corporate Way, Door DMiramar, FL 33025-3925 · (954) 276-5685
Phone(954) 265-2234
Fax(954) 985-2288
Sole ProprietorNo
Enumeration DateOctober 20, 2016
Last NPPES UpdateMarch 11, 20213 updates tracked since enumeration
NPPES CertifiedMarch 11, 2021
✔ NPI 1437600848 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 · APRN9185350
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.
1150 N 35TH AVENUE, Hollywood, FL 33021
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Other Identifiers 1

Medicaid022024700FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Cigna Healthcare, Cigna HealthCare of Florida, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa Haydee Diaz Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Melissa Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Broward Hospital District
Same address
Pediatric Surgery
1150 N 35TH AVE STE 490
Hollywood, FL 33021
  • Reassigned Medicare billing, Florida enrollment
  • 466 clinicians in this Medicare group
NPI 1376550392 (954) 265-3437

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33021 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
$91.69 typical visit price
range $58.56 – $179.05
Typical copayment $22.92 (range $14.64 – $44.76)
Most-billed visit code 99203
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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 5

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

RIYA JACOB
Nurse Practitioner
1150 N 35TH AVENUE, SUITE 605
HOLLYWOOD, FL 33021
Broward County (954) 443-3542
MRS. MIRIAM YONINA ROSS FNP
Nurse Practitioner (Family)
1150 N 35TH AVENUE, SUITE 590
HOLLYWOOD, FL 33021
Broward County (954) 265-9500
JADA SANTOS PSYD
Psychologist (Clinical)
1150 N 35TH AVENUE, STE 590
HOLLYWOOD, FL 33021
Broward County (954) 265-9000
MS. PATRICIA JOZA PAC
Physician Assistant
1150 N 35TH AVENUE, SUITE 445 MARK LAMET MD PA
HOLLYWOOD, FL 33021
Broward County (954) 961-7771
ARMAAL RASHARD HUNTER PA-C
Physician Assistant (Surgical)
1150 N 35TH AVENUE, SUITE 440
HOLLYWOOD, FL 33021
Broward County (954) 265-6356

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 Melissa Diaz's NPI number?

The NPI number for Melissa Diaz is 1437600848. It was assigned to this individual provider in the NPPES registry on October 20, 2016.

Where is Melissa Diaz located?

Melissa Diaz practices at 1150 N 35th Avenue Suite 100, Hollywood, FL 33021. The listed phone number is (954) 265-2234.

What is Melissa Diaz's specialty?

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

Is Melissa Diaz enrolled in Medicare?

Yes. Melissa Diaz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Diaz reassigns Medicare benefits to South Broward Hospital District (Hollywood, FL). The 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 Melissa Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Diaz accept?

Health plans from AmeriHealth Caritas Next, Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health Maintenance Organization of Florida and UnitedHealthcare list Melissa 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 Melissa Diaz was last updated on March 11, 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.