RONALD E DIAZ FNP
NPI 1124263561
Nurse Practitioner - Family in Tucson, AZ

Active since December 15, 2008PECOS Enrolled
97.64/100
CMS Quality Rating
2940 S 6TH AVE, TUCSON, AZ 85713(520) 613-1001(520) 504-6483 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 6, 2025, Jan 27, 2021, Sep 22, 2020 and 1 more (4 updates tracked since 2016).

About Ronald E Diaz Fnp NPPES

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

RONALD E DIAZ FNP (NPI 1124263561) is an individual family provider in Tucson, Arizona, licensed in Arizona (AP3518) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in Tucson.

NPPES Registry Identity

NPI1124263561
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameRONALD E DIAZCredential: FNP
Location Address2940 S 6TH AVETucson, AZ 85713-4705
Mailing Address102 Woodmont Blvd Ste 600Nashville, TN 37205-5250 · (888) 987-1151
Fax(520) 504-6483
Sole ProprietorYes
Enumeration DateDecember 15, 2008
Last NPPES UpdateJune 6, 20254 updates tracked since enumeration
NPPES CertifiedJune 6, 2025
NPI 1124263561 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 AZ · AP3518
Also ListedRegistered NurseTaxonomy 163W00000X · License RN119389 (AZ)
2940 S 6TH AVE, Tucson, AZ 85713

Secondary Practice Location 1

Location 17890 N Cortaro RdTucson, AZ 85743-8326 · Phone (520) 202-7770

Other Identifiers 1

Medicaid483140AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ronald E Diaz Fnp 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.

Areas of Expertise CMS Part B claims 5

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
176 services128 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
47 services45 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
29 services29 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
25 services25 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85713 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.

97.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.77
Promoting Interoperability98.67
Improvement Activities40

Other Providers at the Same Location NPPES 7

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

Nurse Practitioner (Family)
2940 S 6TH AVE
TUCSON, AZ 85713
Internal Medicine
2940 S 6TH AVE
TUCSON, AZ 85713
Nurse Practitioner (Family)
2940 S 6TH AVE
TUCSON, AZ 85713
Internal Medicine
2940 S 6TH AVE
TUCSON, AZ 85713
Nurse Practitioner (Family)
2940 S 6TH AVE
TUCSON, AZ 85713
Nurse Practitioner (Family)
2940 S 6TH AVE
TUCSON, AZ 85713
Preventive Medicine (Public Health & General Preventive Medicine)
2940 S 6TH AVE
TUCSON, AZ 85713

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 Ronald Diaz's NPI number?

The NPI number for Ronald Diaz is 1124263561. It was assigned to this individual provider in the NPPES registry on December 15, 2008.

Where is Ronald Diaz located?

Ronald Diaz practices at 2940 S 6th Ave, Tucson, AZ 85713. The listed phone number is (520) 613-1001.

What is Ronald Diaz's specialty?

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

Is Ronald Diaz enrolled in Medicare?

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

What insurance does Ronald Diaz accept?

Health plans from Blue Cross Blue Shield of Arizona list Ronald 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 Ronald Diaz was last updated on June 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.