Dr. Mari Grief MD
About this NPIWhat this record shows.
NPI 1821666058 is registered to Dr. Mari Grief MD, a Pediatrics practising at 1319 Punahou St # 741 in Honolulu, Hawaii. Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21. Dr. Mari Grief MD has been enumerated in the National Provider Identifier (NPI) registry since 2021.
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.
Order and Referring Only
- I20250717003850Pediatric MedicineWA
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. Mari Grief MD accepts. To confirm in-network status with your specific health plan, contact Dr. Mari Grief MD directly at (808) 369-1234.
Frequently asked
Yes. NPI 1821666058 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 (808) 369-1234.
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. Mari Grief MD is a Type-1 individual NPI.