Dr. Catherine Diefenbach M.D.
Also known as
- Formerly known asMagid, Catherine Sibyl
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1982864039 is registered to Dr. Catherine Diefenbach M.D., a Hematology & Oncology practising at 160 E 34th St, Nyu Langone Clinical Cancer Center in New York, New York. Hematology & Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Catherine Diefenbach M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
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
- I20081119000626Medical OncologyNY
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. Catherine Diefenbach M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Catherine Diefenbach M.D. directly at (212) 731-5670.
Frequently asked
Yes. NPI 1982864039 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 (212) 731-5670.
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. Catherine Diefenbach M.D. is a Type-1 individual NPI.