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CHARLENE SCARLETT DIAZ NP
NPI 1518524982
Nurse Practitioner - Family in Casa Grande, AZ

Active since May 21, 2019PECOS Enrolled
100/100
CMS Quality Rating
115 W 2ND ST, CASA GRANDE, AZ 85122(520) 836-1688 Get Directions Write a Review

NPPES record last updated: May 21, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Charlene Scarlett Diaz Np NPPES

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

CHARLENE SCARLETT DIAZ NP (NPI 1518524982) is an individual family provider in Casa Grande, Arizona, licensed in Arizona (224410) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518524982
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCHARLENE SCARLETT DIAZCredential: NP
Location Address115 W 2ND STCasa Grande, AZ 85122-4406
Mailing Address625 N Plaza DrApache Junction, AZ 85120-5501
Phone(520) 836-1688
Sole ProprietorNo
Enumeration DateMay 21, 2019
✔ NPI 1518524982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in AZ · 224410
115 W 2ND ST, Casa Grande, AZ 85122
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charlene Scarlett Diaz Np 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 Charlene Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Horizon Health And Wellness, Inc.
Same address
Community Health
115 W 2ND ST
Casa Grande, AZ 85122
  • Reassigned Medicare billing, Arizona enrollment
  • 87 clinicians in this Medicare group
NPI 1043687775 (520) 836-3633
The Little Clinic Of Arizona LLC
60 mi
Family
1300 S WATSON RD
Buckeye, AZ 85326
  • Reassigned Medicare billing, Arizona enrollment
  • 107 clinicians in this Medicare group
NPI 1023216249 (623) 241-5322

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 85122 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 3

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

HORIZON HEALTH AND WELLNESS, INC.
Clinic/Center (Community Health)
115 W 2ND ST
CASA GRANDE, AZ 85122
Pinal County (520) 836-3633
HORIZON HEALTH AND WELLNESS, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
115 W 2ND ST
CASA GRANDE, AZ 85122
Pinal County (520) 836-1688
ANDREA SCHALOW LCSW
Social Worker (Clinical)
115 W 2ND ST
CASA GRANDE, AZ 85122
Pinal County (520) 876-1836

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 Charlene Diaz's NPI number?

The NPI number for Charlene Diaz is 1518524982. It was assigned to this individual provider in the NPPES registry on May 21, 2019.

Where is Charlene Diaz located?

Charlene Diaz practices at 115 W 2nd St, Casa Grande, AZ 85122. The listed phone number is (520) 836-1688.

What is Charlene Diaz's specialty?

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

Is Charlene Diaz enrolled in Medicare?

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

Which organizations bill Medicare for Charlene Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charlene Diaz reassigns Medicare benefits to 2 organizations: Horizon Health And Wellness, Inc. (Casa Grande, AZ) and The Little Clinic Of Arizona LLC (Buckeye, AZ). 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 Charlene Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charlene Diaz accept?

Health plans from Imperial Insurance Companies, Inc. list Charlene 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 Charlene Diaz was last updated on May 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.