Dr. Ioannis Hatzaras M.D.
About this NPIWhat this record shows.
NPI 1225252471 is registered to Dr. Ioannis Hatzaras M.D., a Surgical Oncology Physician practising at 330 E 39th, #21h in New York, New York. Surgical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Ioannis Hatzaras M.D. 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. Ioannis Hatzaras M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Ioannis Hatzaras M.D. directly at (203) 435-0545.
Frequently asked
Yes. NPI 1225252471 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgical Oncology 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 (203) 435-0545.
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. Ioannis Hatzaras M.D. is a Type-1 individual NPI.