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MELIX DIAZ APRN
NPI 1568124337
Nurse Practitioner - Family in Johnston, RI

Active since October 09, 2021PECOS Enrolled
1524 ATWOOD AVE STE 327, JOHNSTON, RI 02919(401) 383-0400(401) 383-0410 Get Directions Write a Review

NPPES record last updated: February 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Melix Diaz Aprn NPPES

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

MELIX DIAZ APRN (NPI 1568124337) is an individual family provider in Johnston, Rhode Island, licensed in Rhode Island (APRN02888) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in East Providence.

NPPES Registry Identity

NPI1568124337
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMELIX DIAZCredential: APRN
Location Address1524 ATWOOD AVE STE 327Johnston, RI 02919-3228
Mailing Address1524 Atwood Ave Ste 327Johnston, RI 02919-3228 · (401) 383-0400 · Fax (401) 383-0410
Phone(401) 383-0400
Fax(401) 383-0410
Sole ProprietorNo
Enumeration DateOctober 9, 2021
Last NPPES UpdateFebruary 19, 2024
NPPES CertifiedFebruary 19, 2024
✔ NPI 1568124337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in RI · APRN02888
Also ListedNurse PractitionerTaxonomy 363L00000X · License APRN02888 (RI)
1524 ATWOOD AVE STE 327, Johnston, RI 02919
Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Kettle Point AveEast Providence, RI 02914-5375 · Phone (401) 457-1500

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melix Diaz Aprn 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 Reassignments

2

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

Angels Medical Associates LLC
Same address
Gastroenterology
1524 ATWOOD AVE, SUITE 327
Johnston, RI 02919
  • Reassigned Medicare billing, Rhode Island enrollment
  • 2 clinicians in this Medicare group
NPI 1922406875 (401) 383-0400
University Orthopedics, Inc.
4.4 mi
Orthopaedic Surgery
2 DUDLEY ST STE 200
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 222 clinicians in this Medicare group
NPI 1235181041 (401) 457-1500

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

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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02919 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
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
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

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

DR. P WILFREDO CANCHIS MD
Internal Medicine
1524 ATWOOD AVE STE 327
JOHNSTON, RI 02919
Providence County (401) 383-0400

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 Melix Diaz's NPI number?

The NPI number for Melix Diaz is 1568124337. It was assigned to this individual provider in the NPPES registry on October 9, 2021.

Where is Melix Diaz located?

Melix Diaz practices at 1524 Atwood Ave Ste 327, Johnston, RI 02919. The listed phone number is (401) 383-0400.

What is Melix Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Melix Diaz enrolled in Medicare?

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

Which organizations bill Medicare for Melix Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melix Diaz reassigns Medicare benefits to 2 organizations: Angels Medical Associates LLC (Johnston, RI) and University Orthopedics, Inc. (Providence, RI). 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 Melix Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melix Diaz was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.