Catherine Siew DO
About this NPIWhat this record shows.
NPI 1992333496 is registered to Catherine Siew DO, a Neonatal-Perinatal Medicine Physician practising at 1500 E Medical Center Dr in Ann Arbor, Michigan. Neonatal-Perinatal Medicine Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Catherine Siew DO has been enumerated in the National Provider Identifier (NPI) registry since 2020.
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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 Siew DO accepts. To confirm in-network status with your specific health plan, contact Catherine Siew DO directly at (734) 936-4320.
Frequently asked
Yes. NPI 1992333496 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Neonatal-Perinatal Medicine 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 (734) 936-4320.
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 Siew DO is a Type-1 individual NPI.