John E Warren OD Sc
About this NPIWhat this record shows.
NPI 1821113697 is registered to John E Warren OD Sc, a healthcare organisation classified as "Optometrist" and located at 1139 S Sunnyslope Dr Ste 203 in Mt Pleasant, Wisconsin. The organisation's authorised official is John Warren. The organisation has been enumerated in the NPI registry since 2007.
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.
Part B Supplier
- O20080711000112Clinic/Group PracticeWI
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 John E Warren OD Sc accepts. To confirm in-network status with your specific health plan, contact John E Warren OD Sc directly at (272) 752-2020.
Frequently asked
Yes. NPI 1821113697 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Optometrist 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 (272) 752-2020.
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. John E Warren OD Sc is a Type-2 organisational NPI.