What is Leena Yousef-Diaz's NPI number?

Leena Yousef-Diaz's National Provider Identifier (NPI) is 1407338858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leena Yousef-Diaz's specialty?

Leena Yousef-Diaz is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Leena Yousef-Diaz located?

Leena Yousef-Diaz's practice location on file with NPPES is 1100 Joliet Street Suite #201, Dyer, IN 46311.

What is Leena Yousef-Diaz's phone number?

The practice phone number listed in the NPPES registry for Leena Yousef-Diaz is (219) 200-4676.

Does Leena Yousef-Diaz accept Medicare?

Leena Yousef-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Leena Yousef-Diaz's NPI active?

Yes — Leena Yousef-Diaz's NPI (1407338858) is active in the NPPES registry as of the last update on 2018-09-02.

IndividualActiveAccepts Medicare

Leena Yousef-Diaz, APN

NPI 1407338858 · Nurse Practitioner · Dyer, IN

Leena Yousef-Diaz, APN is a Nurse Practitioner provider in Dyer, IN (NPI 1407338858).

Provider details

NPI number: 1407338858
Entity type: Individual
Primary specialty: Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: APN
Sex: Female
Sole proprietor: No
License: 209017754 (IL)

Practice location

1100 Joliet Street Suite #201

Dyer, IN 46311

Phone: (219) 200-4676

Street-level locationGet directions

Mailing address

5641 West 78th Street

Burbank, IL 60459

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense 209017754 (IL)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(72/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure33% of score
8 yrs in NPPES registry
Profile completeness33% of score
100% of core fields populated
Practice footprint20% of score
1 documented practice location
Open Payments transparency13% of score
Has Open Payments disclosures (2024)

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$28 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2018-09-02
Last updated: 2018-09-02

Frequently asked questions

What is Leena Yousef-Diaz's NPI number?: Leena Yousef-Diaz's National Provider Identifier (NPI) is 1407338858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Leena Yousef-Diaz's specialty?: Leena Yousef-Diaz is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Leena Yousef-Diaz located?: Leena Yousef-Diaz's practice location on file with NPPES is 1100 Joliet Street Suite #201, Dyer, IN 46311.
What is Leena Yousef-Diaz's phone number?: The practice phone number listed in the NPPES registry for Leena Yousef-Diaz is (219) 200-4676.
Does Leena Yousef-Diaz accept Medicare?: Leena Yousef-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Leena Yousef-Diaz's NPI active?: Yes — Leena Yousef-Diaz's NPI (1407338858) is active in the NPPES registry as of the last update on 2018-09-02.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Transparency — industry payments

Frequently asked questions