Dr. Richard Diehl M.D.
About this NPIWhat this record shows.
NPI 1417943127 is registered to Dr. Richard Diehl M.D., a Orthopaedic Surgery practising at 800 S Raymond Ave in Pasadena, California. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Dr. Richard Diehl M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 2 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. Within the directory it is one of 3,497 Orthopaedic Surgery providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- G15733CA· Issued by MEDICARE INDIVIDUAL
- 200002226CA· Issued by RAIL ROAD MEDICARE
Source: NPPES public registry.
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. Richard Diehl M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Richard Diehl M.D. directly at (626) 795-8051.
Frequently asked
Yes. NPI 1417943127 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 (626) 795-8051.
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. Richard Diehl M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 3,497 Orthopaedic Surgery providers are registered in California, and Dr. Richard Diehl M.D. is one of them. The figure refreshes each month from the federal source.