John Mark Geiss D.O. Medical Corporation
About this NPIWhat this record shows.
NPI 1588076673 is registered to John Mark Geiss D.O. Medical Corporation, a healthcare organisation classified as "Family Medicine" and located at 2592 N Santiago Blvd in Orange, California. The organisation's authorised official is John Geiss. The organisation has been enumerated in the NPI registry since 2014.
Your brand here.
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 John Mark Geiss D.O. Medical Corporation accepts. To confirm in-network status with your specific health plan, contact John Mark Geiss D.O. Medical Corporation directly at (714) 577-2271.
Frequently asked
Yes. NPI 1588076673 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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 (714) 577-2271.
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. John Mark Geiss D.O. Medical Corporation is a Type-2 organisational NPI.