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DEREK DIAZ NP
NPI 1831811157
Nurse Practitioner in Ontario, CA

Active since September 13, 2022PECOS EnrolledAccepts Medicare Assignment
2821 S CASCADES TRL, ONTARIO, CA 91761(909) 732-0197 Get Directions Write a Review

NPPES record last updated: September 13, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Derek Diaz Np NPPES

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

DEREK DIAZ NP (NPI 1831811157) is an individual nurse practitioner in Ontario, California, licensed in California (95021897) and active in the NPI registry since September 2022. He is enrolled in Medicare PECOS and is a graduate of Western Un Of Hlth Sciences, Col Of Podiatric Med (2022).

NPPES Registry Identity

NPI1831811157
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameDEREK DIAZCredential: NP
Location Address2821 S CASCADES TRLOntario, CA 91761-7234
Mailing Address2821 S Cascades TrlOntario, CA 91761-7234 · (909) 732-0197
Phone(909) 732-0197
Sole ProprietorYes
Medical School CMSWestern Un Of Hlth Sciences, Col Of Podiatric MedGraduated 2022
Enumeration DateSeptember 13, 2022
NPPES CertifiedSeptember 13, 2022
✔ NPI 1831811157 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 CA · 95021897
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.
2821 S CASCADES TRL, Ontario, CA 91761
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Derek Diaz Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810366796
PECOS Enrollment IDI20221215002537
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 3

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
3,322 services402 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
323 services316 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
14 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91761 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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 Derek Diaz's NPI number?

The NPI number for Derek Diaz is 1831811157. It was assigned to this individual provider in the NPPES registry on September 13, 2022.

Where is Derek Diaz located?

Derek Diaz practices at 2821 S Cascades Trl, Ontario, CA 91761. The listed phone number is (909) 732-0197.

What is Derek Diaz's specialty?

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

Is Derek Diaz enrolled in Medicare?

Yes. Derek Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Derek Diaz was last updated on September 13, 2022. 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.