Dr. Ronald Grelsamer M.D.
About this NPIWhat this record shows.
NPI 1699731752 is registered to Dr. Ronald Grelsamer M.D., a Orthopaedic Surgery practising at 5 E 98th St, Box 1188 in New York, New York. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Dr. Ronald Grelsamer M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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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 Dr. Ronald Grelsamer M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Ronald Grelsamer M.D. directly at (212) 241-6980.
Frequently asked
Yes. NPI 1699731752 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
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 (212) 241-6980.
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. Ronald Grelsamer M.D. is a Type-1 individual NPI.