ILLINOIS ALLERGY AND ASTHMA SPECIALISTS SC
NPI 1386964252
Allergy & Immunology in Evanston, IL

Q: What is Illinois Allergy And Asthma Specialists Sc's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Active since June 02, 2010

2500 RIDGE ROAD, SUITE 211A CO BUILDING, EVANSTON, IL 60201(847) 328-7909 Get Directions Write a Review

NPPES record last updated: June 2, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Illinois Allergy And Asthma Specialists Sc NPPES

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

ILLINOIS ALLERGY AND ASTHMA SPECIALISTS SC (NPI 1386964252) is a healthcare organization registered as an allergy & immunology in Evanston, Illinois and active in the NPI registry since June 2010. The organization lists Vivian H Chou, President, as its authorized official.

NPPES Registry Identity

NPI1386964252

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameILLINOIS ALLERGY AND ASTHMA SPECIALISTS SC

Location Address2500 RIDGE ROAD, SUITE 211A CO BUILDINGEvanston, IL 60201-2418

Mailing Address2500 Ridge Road, Suite 211aEvanston, IL 60201-2418 · (847) 328-7909

Phone(847) 328-7909

Organization SubpartNo

Authorized OfficialVivian H ChouPresident · (847) 328-7909

Enumeration DateJune 2, 2010

✔ NPI 1386964252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

2500 RIDGE ROAD, Evanston, IL 60201

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Illinois Allergy And Asthma Specialists Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Illinois Allergy And Asthma Specialists Sc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Vivian Chou, MD

Allergy/Immunology

NPI 1457573420

2500 RIDGE AVE SUITE 211A
Evanston, IL 60201

(847) 328-7909

✔ PECOS✔ Accepts MedicareSame address

Amishi Murthy, MD

Allergy/Immunology

NPI 1699978791

2500 RIDGE AVE SUITE 211A
Evanston, IL 60201

(847) 328-7909

✔ 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 Illinois Allergy And Asthma Specialists Sc's NPI number?

The NPI number for Illinois Allergy And Asthma Specialists Sc is 1386964252. It was assigned to this organization in the NPPES registry on June 2, 2010.

Where is Illinois Allergy And Asthma Specialists Sc located?

Illinois Allergy And Asthma Specialists Sc is located at 2500 Ridge Road Suite 211A Co Building, Evanston, IL 60201. The listed phone number is (847) 328-7909.

What is Illinois Allergy And Asthma Specialists Sc's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Illinois Allergy And Asthma Specialists Sc enrolled in Medicare?

Yes. Illinois Allergy And Asthma Specialists Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Illinois Allergy And Asthma Specialists Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Allergy/Immunology, reassign their Medicare billing to Illinois Allergy And Asthma Specialists Sc. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Illinois Allergy And Asthma Specialists Sc accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Illinois Allergy And Asthma Specialists Sc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Illinois Allergy And Asthma Specialists Sc was last updated on June 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.