Dr. William Rumack M.D.
About this NPIWhat this record shows.
NPI 1740257542 is registered to Dr. William Rumack M.D., a Orthopaedic Surgery practising at 7345 Medical Center Dr, Suite #280 in West Hills, California. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Dr. William Rumack M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- 1104410001CA· Issued by MEDICARE DME SUPPLIER #
- 955118CA· Issued by QME #
- DR 38255CO· Issued by MEDICAL BOARD OF COLORADO
- A79561CA· Issued by MEDICAL BOARD OF CA
- K2785TX· Issued by MEDICAL BOARD OF TEXAS
- WA79561BCA· Issued by MEDICARE PERFORMING
- 953718732CA· Issued by TAX ID #
Medicaid
- W8424CA
Source: NPPES public registry.
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
- I20060306000682Orthopedic 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 Dr. William Rumack M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Rumack M.D. directly at (818) 888-2855.
Frequently asked
Yes. NPI 1740257542 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 (818) 888-2855.
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. William Rumack M.D. is a Type-1 individual NPI.