Mercy Hospital Grayling
About this NPIWhat this record shows.
NPI 1427489509 is registered to Mercy Hospital Grayling, a healthcare organisation classified as "Hematology & Oncology" and located at 1100 E Michigan Ave in Grayling, Michigan. The organisation's authorised official is Stephanie Riemer. The organisation has been enumerated in the NPI registry since 2013.
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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 Mercy Hospital Grayling accepts. To confirm in-network status with your specific health plan, contact Mercy Hospital Grayling directly at (989) 348-5461.
Frequently asked
Yes. NPI 1427489509 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 (989) 348-5461.
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. Mercy Hospital Grayling is a Type-2 organisational NPI.