1. Home
  2. Directory
  3. California
  4. Carson
  5. Internal Medicine
  6. NPI Profile

ESTRELLA A. AGUINALDO, M.D., INC.
NPI 1831499631
Internal Medicine in Carson, CA

Active since October 26, 2010
23517 MAIN ST STE 104, CARSON, CA 90745(310) 233-2555(310) 233-2555 Get Directions Write a Review

NPPES record last updated: December 30, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Estrella A. Aguinaldo, M.d., Inc. NPPES

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

ESTRELLA A. AGUINALDO, M.D., INC. (NPI 1831499631) is a healthcare organization registered as an internal medicine in Carson, California and active in the NPI registry since October 2010. The organization lists Estrella Azurin Aguinaldo, President, as its authorized official.

NPPES Registry Identity

NPI1831499631
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameESTRELLA A. AGUINALDO, M.D., INC.
Location Address23517 MAIN ST STE 104Carson, CA 90745-5235
Mailing Address23517 Main St Ste 104Carson, CA 90745-5235 · (310) 233-2555 · Fax (310) 233-2555
Phone(310) 233-2555
Fax(310) 233-2555
Organization SubpartNo
Authorized OfficialEstrella Azurin AguinaldoPresident · (310) 233-2555
Enumeration DateOctober 26, 2010
Last NPPES UpdateDecember 30, 2019
✔ NPI 1831499631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A056493
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
23517 MAIN ST STE 104, Carson, CA 90745
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A564930CA

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)

Estrella A. Aguinaldo, M.d., 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 Estrella A. Aguinaldo, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Estrella Aguinaldo, M.D.
Internal Medicine
NPI 1548339278
23517 MAIN ST STE 104
Carson, CA 90745
(310) 233-2555
✔ 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 Estrella A. Aguinaldo, M.D., Inc.'s NPI number?

The NPI number for Estrella A. Aguinaldo, M.D., Inc. is 1831499631. It was assigned to this organization in the NPPES registry on October 26, 2010.

Where is Estrella A. Aguinaldo, M.D., Inc. located?

Estrella A. Aguinaldo, M.D., Inc. is located at 23517 Main St Ste 104, Carson, CA 90745. The listed phone number is (310) 233-2555.

What is Estrella A. Aguinaldo, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Estrella A. Aguinaldo, M.D., Inc. enrolled in Medicare?

Yes. Estrella A. Aguinaldo, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Estrella A. Aguinaldo, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Estrella A. Aguinaldo, M.D., 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 Estrella A. Aguinaldo, M.D., Inc. was last updated on December 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.