MIDWEST ALLERGY INC
NPI 1912200825
Allergy & Immunology in Elgin, IL

Q: What is Midwest Allergy Inc's NPI number?

The NPI number for Midwest Allergy Inc is 1912200825. It was assigned to this organization in the NPPES registry on December 15, 2010.

Q: What is Midwest Allergy Inc's specialty?

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

Active since December 15, 2010

2000 LARKIN AVE STE 203, ELGIN, IL 60123(847) 931-1999(847) 931-1721 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 19, 2025, Apr 5, 2019 (2 updates tracked since 2019).

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About Midwest Allergy Inc NPPES

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

MIDWEST ALLERGY INC (NPI 1912200825) is a healthcare organization registered as an allergy & immunology in Elgin, Illinois and active in the NPI registry since December 2010. The organization lists Val Thomas-katz, Biller, as its authorized official.

NPPES Registry Identity

NPI1912200825

Entity TypeOrganization

Primary Taxonomy207K00000X

Legal Business NameMIDWEST ALLERGY INC

Location Address2000 LARKIN AVE STE 203Elgin, IL 60123-5878

Mailing Address10031 W Roosevelt Rd Ste 100Westchester, IL 60154-2669 · (847) 931-1999 · Fax (847) 931-1721

Phone(847) 931-1999

Fax(847) 931-1721

Organization SubpartNo

Authorized OfficialVal Thomas-katzBiller · (847) 931-1999

Enumeration DateDecember 15, 2010

Last NPPES UpdateDecember 19, 20252 updates tracked since enumeration

NPPES CertifiedDecember 19, 2025

✔ NPI 1912200825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.

Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License 036-050567 (IL)

2000 LARKIN AVE STE 203, Elgin, IL 60123

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Other Identifiers 2

OtherD13901IL · Upin

Medicaid036-050567IL

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Midwest Allergy 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 Midwest Allergy Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mohammad Ghani, M.D.

Allergy/Immunology

NPI 1194739268

10031 W ROOSEVELT RD STE 100
Westchester, IL 60154

(708) 344-3550

✔ PECOS✔ Accepts Medicare26 mi

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 Midwest Allergy Inc's NPI number?

The NPI number for Midwest Allergy Inc is 1912200825. It was assigned to this organization in the NPPES registry on December 15, 2010.

Where is Midwest Allergy Inc located?

Midwest Allergy Inc is located at 2000 Larkin Ave Ste 203, Elgin, IL 60123. The listed phone number is (847) 931-1999.

What is Midwest Allergy Inc's specialty?

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

Is Midwest Allergy Inc enrolled in Medicare?

Yes. Midwest Allergy Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Midwest Allergy Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Midwest Allergy 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 Midwest Allergy Inc was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.