Catherine Alonzo M.D.
Also known as
- Formerly known asMichels, Catherine Lea
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1770802357 is registered to Catherine Alonzo M.D., a Urology Physician practising at 49 Lake Ave, Suite 201 in Greenwich, Connecticut. Urology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Catherine Alonzo M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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
- I20110127000340UrologyCT
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 Catherine Alonzo M.D. accepts. To confirm in-network status with your specific health plan, contact Catherine Alonzo M.D. directly at (203) 869-1285.
Frequently asked
Yes. NPI 1770802357 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Urology 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) 869-1285.
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. Catherine Alonzo M.D. is a Type-1 individual NPI.