LEENA YOUSEF-DIAZ (APN) – Nurse Practitioner, NPI 1407338858

LEENA YOUSEF-DIAZ (APN) is a healthcare provider. based in Dyer, Indiana. specializing in NURSE PRACTITIONER. They hold the professional credentials APN. They hold a License No. 209017754 (IL). The NPI Number for LEENA YOUSEF-DIAZ (APN) is 1407338858

Main info

Female
9 Years Of Experience
Accepts Medicare Assignment
Name
LEENA YOUSEF-DIAZ (APN)
NPI
1407338858
Phone
(219) 200-4676
Address
1100 JOLIET STREET SUITE #201
Enumeration Date
2 September 2018
Last Update Date
2 September 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8888240200
Graduation Year
2017 (9 years ago)
PAC ID
1850636200
Group Practice PAC ID
7719899426
Professional Enrollment ID
I20221108001598
Address ID
IL606371443CH5841XAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience28
Completeness75
Years active:7State licenses:1Digital endpointsOther names

8,192 NURSE PRACTITIONER in IN

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Provider Addresses for LEENA YOUSEF-DIAZ (APN)

  • Joliet Street, Dyer, Lake County, Indiana, 46311, United States

    DYER, IN 46311

    Phone: (219) 200-4676

    Type: Location

  • 78th Street, Burbank Station, Burbank, Stickney Township, Cook County, Illinois, 60459, United States

    BURBANK, IL 60459

    Phone: (708) 790-7771

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 4 Open Payments records for all available years, with a total value of $76.

Total Amount is formed as General ($76) + Research ($0) + Ownership ($0) = $76.

Last reported payment date: 2024-11-06 • Largest payer in this snapshot: ABBVIE INC. ($56).

Total Amount

$76

General + Research + Ownership

Payments

4

Total payment records

General Amount

$76

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-06

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ABBVIE INC.$56
Medtronic, Inc.$20
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2022-11-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20221108001598INurse PractitionerILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 46311)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7719899426View full group profile
NameSpecialtyState
Emergency MedicineIL
N E U R O L O G YIL
General SurgeryIN
Pediatric Medicine, Emergency MedicineIL
-IL
-IL
Cardiovascular Disease (Cardiology)IL
-IL
Nurse PractitionerMI
Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology)IL

Reviews

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Frequently asked questions

How do I look up LEENA YOUSEF-DIAZ (APN) by NPI?
Use NPI 1407338858 when you need to reference LEENA YOUSEF-DIAZ (APN) in forms, claims, or directories.
Is LEENA YOUSEF-DIAZ (APN) currently active in the NPI registry?
CMS-published data lists LEENA YOUSEF-DIAZ (APN) as an active registrant.
What does LEENA YOUSEF-DIAZ (APN) treat or focus on?
Patients typically see LEENA YOUSEF-DIAZ (APN) under the specialty Nurse Practitioner. Clinical services aligned with this taxonomy classification.
What location shows for LEENA YOUSEF-DIAZ (APN)?
We surface Dyer, Indiana for LEENA YOUSEF-DIAZ (APN) based on available NPPES addresses.
How can I contact LEENA YOUSEF-DIAZ (APN)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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