Erin Williams FNP-C
About this NPIWhat this record shows.
NPI 1093485948 is registered to Erin Williams FNP-C, a Nurse Practitioner practising at 1305 Randall Rd in Crystal Lake, Illinois. Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Erin Williams FNP-C has been enumerated in the National Provider Identifier (NPI) registry since 2021.
Your brand here.
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
- I20211201001455Nurse PractitionerIL
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 Erin Williams FNP-C accepts. To confirm in-network status with your specific health plan, contact Erin Williams FNP-C directly at (815) 356-0386.
Frequently asked
Yes. NPI 1093485948 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nurse Practitioner 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 (815) 356-0386.
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. Erin Williams FNP-C is a Type-1 individual NPI.