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AAA HEALTHCARE
NPI 1891153078
Internal Medicine in Hinsdale, IL

Active since February 03, 2016
5595 S OAK ST, HINSDALE, IL 60521(312) 972-4437 Get Directions Write a Review

NPPES record last updated: April 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 22, 2024, Feb 18, 2016, Feb 3, 2016 (3 updates tracked since 2016).

About Aaa Healthcare NPPES

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

AAA HEALTHCARE (NPI 1891153078) is a healthcare organization registered as an internal medicine in Hinsdale, Illinois and active in the NPI registry since February 2016. The organization lists Alfred L Allen, President, as its authorized official.

NPPES Registry Identity

NPI1891153078
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameAAA HEALTHCARE
Location Address5595 S OAK STHinsdale, IL 60521-5063
Mailing Address5595 S Oak StHinsdale, IL 60521-5063 · (312) 972-4437
Phone(312) 972-4437
Organization SubpartNo
Authorized OfficialAlfred L AllenPresident · (312) 972-5024
Enumeration DateFebruary 3, 2016
Last NPPES UpdateApril 22, 20243 updates tracked since enumeration
NPPES CertifiedApril 22, 2024
✔ NPI 1891153078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
5595 S OAK ST, Hinsdale, IL 60521
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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)

Aaa Healthcare 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 Aaa Healthcare, which bills Medicare for the services this clinician delivers.

Clinician (1)

Alfred Allen, MD
Internal Medicine
NPI 1144538430
5595 S OAK ST
Hinsdale, IL 60521
(312) 972-4437
✔ 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 Aaa Healthcare's NPI number?

The NPI number for Aaa Healthcare is 1891153078. It was assigned to this organization in the NPPES registry on February 3, 2016.

Where is Aaa Healthcare located?

Aaa Healthcare is located at 5595 S Oak St, Hinsdale, IL 60521. The listed phone number is (312) 972-4437.

What is Aaa Healthcare's specialty?

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

Is Aaa Healthcare enrolled in Medicare?

Yes. Aaa Healthcare is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Aaa Healthcare?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Aaa Healthcare. 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 Aaa Healthcare was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.