Dr. Catherina Greenberg MD
Also known as
- Formerly known asYang, Catherina
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1629606538 is registered to Dr. Catherina Greenberg MD, a Otolaryngology Physician practising at 657 Oak Grove Ave in Menlo Park, California. Otolaryngology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Catherina Greenberg MD has been enumerated in the National Provider Identifier (NPI) registry since 2020.
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
- I20251209003560OtolaryngologyCA
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 Dr. Catherina Greenberg MD accepts. To confirm in-network status with your specific health plan, contact Dr. Catherina Greenberg MD directly at (650) 668-2258.
Frequently asked
Yes. NPI 1629606538 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 (650) 668-2258.
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. Catherina Greenberg MD is a Type-1 individual NPI.