Dr. Robert Geller MD
About this NPIWhat this record shows.
NPI 1861673121 is registered to Dr. Robert Geller MD, a Hematology & Oncology practising at 225 Memorial Dr, Suite 1600 in Berlin, Wisconsin. Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Robert Geller MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
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. Robert Geller MD accepts. To confirm in-network status with your specific health plan, contact Dr. Robert Geller MD directly at (920) 361-6360.
Frequently asked
Yes. NPI 1861673121 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hematology & Oncology 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 (920) 361-6360.
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. Robert Geller MD is a Type-1 individual NPI.