Roosje De Grauw-Mare MD
About this NPIWhat this record shows.
NPI 1861718751 is registered to Roosje De Grauw-Mare MD, a Pediatrics practising at 450 Waverly Ave in Patchogue, New York. Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21. Roosje De Grauw-Mare MD has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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 Roosje De Grauw-Mare MD accepts. To confirm in-network status with your specific health plan, contact Roosje De Grauw-Mare MD directly at (631) 444-6300.
Frequently asked
Yes. NPI 1861718751 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21.
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 (631) 444-6300.
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. Roosje De Grauw-Mare MD is a Type-1 individual NPI.