ILEANA PAT INC
NPI 1578079117
Internal Medicine - Endocrinology, Diabetes & Metabolism in West Hills, CA

Q: What is Ileana Pat Inc's NPI number?

The NPI number for Ileana Pat Inc is 1578079117. It was assigned to this organization in the NPPES registry on December 19, 2017.

Q: What is Ileana Pat Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Ileana Pat Inc was last updated on September 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since December 19, 2017

22110 ROSCOE BLVD STE 307, WEST HILLS, CA 91304(818) 497-7857(818) 394-6966 Get Directions Write a Review

NPPES record last updated: September 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2025, Dec 19, 2017 (2 updates tracked since 2017).

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About Ileana Pat Inc NPPES

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

ILEANA PAT INC (NPI 1578079117) is a healthcare organization registered as an endocrinology, diabetes & metabolism in West Hills, California and active in the NPI registry since December 2017. The organization lists Ileana Pat, Ceo, as its authorized official.

NPPES Registry Identity

NPI1578079117

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameILEANA PAT INC

Location Address22110 ROSCOE BLVD STE 307West Hills, CA 91304-3860

Mailing Address2475 Garden Falls DrConroe, TX 77384-2122 · (818) 497-7857 · Fax (818) 394-6966

Phone(818) 497-7857

Fax(818) 394-6966

Organization SubpartNo

Authorized OfficialIleana PatCeo · (818) 497-7857

Enumeration DateDecember 19, 2017

Last NPPES UpdateSeptember 8, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 8, 2025

✔ NPI 1578079117 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in CA · A69940

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

22110 ROSCOE BLVD STE 307, West Hills, CA 91304

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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ileana Pat Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ileana Pat Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ileana Pat, MD

Endocrinology

NPI 1598775538

22110 ROSCOE BLVD STE 307
West Hills, CA 91304

(818) 497-7857

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ileana Pat Inc's NPI number?

The NPI number for Ileana Pat Inc is 1578079117. It was assigned to this organization in the NPPES registry on December 19, 2017.

Where is Ileana Pat Inc located?

Ileana Pat Inc is located at 22110 Roscoe Blvd Ste 307, West Hills, CA 91304. The listed phone number is (818) 497-7857.

What is Ileana Pat Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ileana Pat Inc enrolled in Medicare?

Yes. Ileana Pat Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ileana Pat Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Ileana Pat Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ileana Pat Inc was last updated on September 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.