ADVANCED ALLERGISTS LTD.
NPI 1093741712
Allergy & Immunology - Allergy in Hoffman Estates, IL
About Advanced Allergists Ltd. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCED ALLERGISTS LTD. (NPI 1093741712) is a healthcare organization registered as an allergy in Hoffman Estates, Illinois and active in the NPI registry since June 2006. The organization lists Mark Miller, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Advanced Allergists Ltd. 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 Advanced Allergists Ltd., which bills Medicare for the services this clinician delivers.
Clinician (1)
Hoffman Estates, IL 60169
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 Advanced Allergists Ltd.'s NPI number?
The NPI number for Advanced Allergists Ltd. is 1093741712. It was assigned to this organization in the NPPES registry on June 24, 2006.
Where is Advanced Allergists Ltd. located?
Advanced Allergists Ltd. is located at 1000 Grand Canyon Pkwy Ste 301, Hoffman Estates, IL 60169. The listed phone number is (847) 352-2822.
What is Advanced Allergists Ltd.'s specialty?
The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.
Is Advanced Allergists Ltd. enrolled in Medicare?
Yes. Advanced Allergists Ltd. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Advanced Allergists Ltd.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Advanced Allergists Ltd.. 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 Advanced Allergists Ltd. was last updated on October 4, 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.
# Advanced Allergists Ltd. · NPI 1093741712
Allergy organization in Hoffman Estates, Illinois. Organization record, active in the CMS NPPES registry since June 24, 2006.
## Identity
- **NPI:** 1093741712 (Entity type: Organization)
- **Enumerated:** June 24, 2006
- **Primary specialty:** Allergy & Immunology - Allergy · taxonomy 207KA0200X
- **Organization subpart:** No
- **Authorized official:** Mark Miller, OWNER
## Practice location
- **Address:** 1000 GRAND CANYON PKWY STE 301, Hoffman Estates, IL 60169-1732
- **Phone:** (847) 352-2822
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Allergy/Immunology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1093741712) · Data from the CMS NPPES public registry.