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KRISTINA DIAZ APRN
NPI 1851670368
Nurse Practitioner - Acute Care in Little Rock, AR

Active since August 15, 2011PECOS Enrolled
2 SAINT VINCENT CIR, LITTLE ROCK, AR 72205(501) 552-4677(501) 552-4555 Get Directions Write a Review

NPPES record last updated: August 30, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 30, 2023, Jul 21, 2022, Jul 24, 2017 (3 updates tracked since 2017).

About Kristina Diaz Aprn NPPES

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

KRISTINA DIAZ APRN (NPI 1851670368) is an individual acute care provider in Little Rock, Arkansas, licensed in Arkansas (A003335) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851670368
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameKRISTINA DIAZCredential: APRN
Location Address2 SAINT VINCENT CIRLittle Rock, AR 72205-5423
Mailing Address2 Saint Vincent CirLittle Rock, AR 72205-5423 · (501) 552-4677 · Fax (501) 552-4555
Phone(501) 552-4677
Fax(501) 552-4555
Sole ProprietorNo
Enumeration DateAugust 15, 2011
Last NPPES UpdateAugust 30, 20233 updates tracked since enumeration
NPPES CertifiedAugust 30, 2023
✔ NPI 1851670368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in AR · A003335
2 SAINT VINCENT CIR, Little Rock, AR 72205
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

St. Vincent Medical Group
Same address
Family Medicine
2 ST. VINCENT CIRCLE
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 288 clinicians in this Medicare group
NPI 1134176480 (501) 552-3571
University Of Arkansas For Medical Sciences
1.2 mi
Psychiatry
4224 SHUFFIELD DR
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 2,038 clinicians in this Medicare group
NPI 1669188157 (501) 526-8200

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 72205 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
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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 20

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

CHI ST. VINCENT INFIRMARY
Rehabilitation, Substance Use Disorder Unit
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 552-3575
MOUSTAFA ALY MD
Psychiatry & Neurology (Neurology)
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 552-3000
DEBORAH WILMOTH CRNA
Nurse Anesthetist, Certified Registered
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 664-4532
AARON LEACH
Physical Therapist
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 552-6544
TRAVIS MOSLEY CRNA
Nurse Anesthetist, Certified Registered
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 664-4532
CLAUDIA MADISON WILLIAMS PA-C
Physician Assistant
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 552-3000
PATRICIA ANN KINDER APRN
Nurse Practitioner (Acute Care)
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 552-8433
MR. DYLAN EDEN RAINWATER CRNA
Nurse Anesthetist, Certified Registered
2 SAINT VINCENT CIR
LITTLE ROCK, AR 72205
Pulaski County (501) 664-4532

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 Kristina Diaz's NPI number?

The NPI number for Kristina Diaz is 1851670368. It was assigned to this individual provider in the NPPES registry on August 15, 2011.

Where is Kristina Diaz located?

Kristina Diaz practices at 2 Saint Vincent Cir, Little Rock, AR 72205. The listed phone number is (501) 552-4677.

What is Kristina Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Kristina Diaz enrolled in Medicare?

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

Which organizations bill Medicare for Kristina Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Diaz reassigns Medicare benefits to 2 organizations: St. Vincent Medical Group (Little Rock, AR) and University Of Arkansas For Medical Sciences (Little Rock, AR). 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 Kristina 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 Kristina Diaz was last updated on August 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.