1. Home
  2. Directory
  3. California
  4. Irvine
  5. Family Medicine
  6. NPI Profile

ALAN R NILI D O A PROFESSIONAL CORPORATION
NPI 1497944128
Family Medicine in Irvine, CA

Active since October 18, 2007
18 ENDEAVOR, SUITE 307, IRVINE, CA 92618(949) 260-0106(949) 260-0105 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 25, 2026, Aug 23, 2024, Nov 10, 2023 (3 updates tracked since 2023).

About Alan R Nili D O A Professional Corporation NPPES

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

ALAN R NILI D O A PROFESSIONAL CORPORATION (NPI 1497944128) is a healthcare organization registered as a family medicine in Irvine, California and active in the NPI registry since October 2007. The organization lists Alan R. Nili, Owner, as its authorized official.

NPPES Registry Identity

NPI1497944128
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameALAN R NILI D O A PROFESSIONAL CORPORATION
Location Address18 ENDEAVOR, SUITE 307Irvine, CA 92618-3164
Mailing AddressPo Box 2795Suisun City, CA 94585-5795 · (657) 241-3600 · Fax (657) 241-7708
Phone(949) 260-0106
Fax(949) 260-0105
Organization SubpartNo
Authorized OfficialAlan R. NiliOwner · (949) 260-0106
Enumeration DateOctober 18, 2007
Last NPPES UpdateMarch 25, 20263 updates tracked since enumeration
NPPES CertifiedMarch 25, 2026
✔ NPI 1497944128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · BN5296036
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
18 ENDEAVOR, Irvine, CA 92618
Open in Google Maps ↗

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)

Alan R Nili D O A Professional Corporation 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 Alan R Nili D O A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Alan Nili, D.O.
Family Practice
NPI 1356366835
18 ENDEAVOR SUITE 307
Irvine, CA 92618
(949) 260-0106
✔ 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 Alan R Nili D O A Professional Corporation's NPI number?

The NPI number for Alan R Nili D O A Professional Corporation is 1497944128. It was assigned to this organization in the NPPES registry on October 18, 2007.

Where is Alan R Nili D O A Professional Corporation located?

Alan R Nili D O A Professional Corporation is located at 18 Endeavor Suite 307, Irvine, CA 92618. The listed phone number is (949) 260-0106.

What is Alan R Nili D O A Professional Corporation's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Alan R Nili D O A Professional Corporation enrolled in Medicare?

Yes. Alan R Nili D O A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alan R Nili D O A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Alan R Nili D O A Professional Corporation. 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 Alan R Nili D O A Professional Corporation was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.