Dr. Sherwin Ritz M.D.
About this NPIWhat this record shows.
NPI 1861495194 is registered to Dr. Sherwin Ritz M.D., a Otolaryngology Physician practising at 215 E 1st St Ste 153 in Dixon, Illinois. Otolaryngology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Sherwin Ritz M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 3634600005IL· Issued by CIGNA
- L040569IL· Issued by CHAMPUS/TRICARE
- 040011299IL· Issued by MEDICARE RAILROAD
- 4475RIL· Issued by CATERPILLAR
- F400559128IL· Issued by MEDICARE PTAN
- 1083948IL· Issued by FIRST HEALTH
Source: NPPES public registry.
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. Sherwin Ritz M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Sherwin Ritz M.D. directly at (815) 285-5603.
Frequently asked
Yes. NPI 1861495194 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Otolaryngology 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 (815) 285-5603.
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. Sherwin Ritz M.D. is a Type-1 individual NPI.