Dr. Zachary Warren MD
About this NPIWhat this record shows.
NPI 1669933222 is registered to Dr. Zachary Warren MD, a Otolaryngic Allergy Physician practising at 5841 S Maryland Ave # Mc1035 in Chicago, Illinois. Otolaryngic Allergy Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Zachary Warren MD has been enumerated in the National Provider Identifier (NPI) registry since 2019.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20240729002849OtolaryngologyGA
- I20251210001931OtolaryngologyCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Zachary Warren MD accepts. To confirm in-network status with your specific health plan, contact Dr. Zachary Warren MD directly at (773) 702-1865.
Frequently asked
Yes. NPI 1669933222 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Otolaryngic Allergy Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (773) 702-1865.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Zachary Warren MD is a Type-1 individual NPI.