Dr. Marshall Diven MD, Ms
About this NPIWhat this record shows.
NPI 1649809351 is registered to Dr. Marshall Diven MD, Ms, a Radiation Oncology Physician practising at 506 6th St in Brooklyn, New York. Radiation Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Marshall Diven MD, Ms has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20250804001486Radiation OncologyMT
- I20251113000298Radiation OncologyWY
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. Marshall Diven MD, Ms accepts. To confirm in-network status with your specific health plan, contact Dr. Marshall Diven MD, Ms directly at (718) 780-3000.
Frequently asked
Yes. NPI 1649809351 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Radiation 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 (718) 780-3000.
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. Marshall Diven MD, Ms is a Type-1 individual NPI.