Megan Mastalerz
About this NPIWhat this record shows.
NPI 1093695447 is registered to Megan Mastalerz, a Physician Assistant practising at 133 E Brush Hill Rd Ste 110 in Elmhurst, Illinois. Physician Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Megan Mastalerz has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20251001003160Physician AssistantIL
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 Megan Mastalerz accepts. To confirm in-network status with your specific health plan, contact Megan Mastalerz directly at (630) 545-7565.
Frequently asked
Yes. NPI 1093695447 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Physician Assistant 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 (630) 545-7565.
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. Megan Mastalerz is a Type-1 individual NPI.