Margaret Grisell M.D.
About this NPIWhat this record shows.
NPI 1265636013 is registered to Margaret Grisell M.D., a Orthopaedic Surgery practising at 4601 Dale Rd, Kaiser Modesto Medical Center, Orthopedic Surgery in Modesto, California. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Margaret Grisell M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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.
Practitioner
- I20110801000278Orthopedic SurgeryCA
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 Margaret Grisell M.D. accepts. To confirm in-network status with your specific health plan, contact Margaret Grisell M.D. directly at (209) 735-5000.
Frequently asked
Yes. NPI 1265636013 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 (209) 735-5000.
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. Margaret Grisell M.D. is a Type-1 individual NPI.