Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Allergy and Asthma Consultants

Clinical & Laboratory Immunology (Allergy & Immunology) Physician in Indianapolis, IN · enumerated 2016 · authorized official Mark Holbreich, Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1194170944

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Registry record

Entity type Organization (Type 2)

Legal business name Allergy and Asthma Consultants

Practice address 8902 N Meridai Street, Suite 100, Indianapolis, IN, 46260

Phone (317) 574-0230

Fax (317) 574-0232

Enumeration date Apr 29, 2016

Last updated in NPPES Apr 29, 2016

Taxonomy & classification

207KI0005X Clinical & Laboratory Immunology (Allergy & Immunology) Physician Allopathic & Osteopathic Physicians · License 01035981 (IN) Primary

Authorized official

Name Mark Holbreich

Title Owner

Phone (317) 574-0230

Other identifiers

Identifier	Type	State	Issuer
100327390	Medicaid	IN	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Allergy and Asthma Consultants located?

The practice location on file with NPPES is in Indianapolis, IN.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2016-04-29. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-29.