Illinois Allergy and Asthma Specialists Sc
NPI 1386964252 · Allergy & Immunology Physician · Evanston, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Illinois Allergy and Asthma Specialists Sc is a Allergy & Immunology Physician organization in Evanston, IL (NPI 1386964252).
Provider details
- NPI number
- 1386964252
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Vivian Chou, President(847) 328-7909
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-02
- Last updated
- 2010-06-02
Frequently asked questions
- What is Illinois Allergy and Asthma Specialists Sc's NPI number?
- Illinois Allergy and Asthma Specialists Sc's National Provider Identifier (NPI) is 1386964252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Illinois Allergy and Asthma Specialists Sc?
- Illinois Allergy and Asthma Specialists Sc is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Illinois Allergy and Asthma Specialists Sc located?
- Illinois Allergy and Asthma Specialists Sc's practice location on file with NPPES is 2500 Ridge Road, Evanston, IL 60201-2418.
- What is Illinois Allergy and Asthma Specialists Sc's phone number?
- The practice phone number listed in the NPPES registry for Illinois Allergy and Asthma Specialists Sc is (847) 328-7909.
- Does Illinois Allergy and Asthma Specialists Sc accept Medicare?
- Illinois Allergy and Asthma Specialists Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Illinois Allergy and Asthma Specialists Sc?
- The authorized official listed on Illinois Allergy and Asthma Specialists Sc's NPPES record is Vivian Chou, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Illinois Allergy and Asthma Specialists Sc's NPI active?
- Yes — Illinois Allergy and Asthma Specialists Sc's NPI (1386964252) is active in the NPPES registry as of the last update on 2010-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.