Dr. Mark Geller M.D.
About this NPIWhat this record shows.
NPI 1093710345 is registered to Dr. Mark Geller M.D., a Endocrinology, Diabetes & Metabolism Physician practising at 18133 Ventura Blvd, Suite 204 in Tarzana, California. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mark Geller M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- T0796CA· Issued by RAILROAD GROUP NUMBER
- WG60287ACA· Issued by MEDICARE RENDERING NUMBER
- 110061982CA· Issued by RAILROAD RENDERING NUMBER
- 95-3132732CA· Issued by BLUE CROSS OF CALIFORNIA
- YYY40048YCA· Issued by BLUE SHIELD OF CALIFORNIA
Medicaid
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
- I20100107000668Internal MedicineCA
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. Mark Geller M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Mark Geller M.D. directly at (818) 466-7700.
Frequently asked
Yes. NPI 1093710345 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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) 466-7700.
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. Mark Geller M.D. is a Type-1 individual NPI.