Dr. Gustav Cederquist MD, PHD
About this NPIWhat this record shows.
NPI 1043846983 is registered to Dr. Gustav Cederquist MD, PHD, a Radiation Oncology Physician practising at 1101 Hempstead Tpke in Uniondale, New York. Radiation Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Gustav Cederquist MD, PHD 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
- I20251001001313Radiation OncologyNY
- I20251015003423Radiation OncologyNJ
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. Gustav Cederquist MD, PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Gustav Cederquist MD, PHD directly at (516) 464-4513.
Frequently asked
Yes. NPI 1043846983 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 (516) 464-4513.
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. Gustav Cederquist MD, PHD is a Type-1 individual NPI.