Glenn D Littenberg MD INC
About this NPIWhat this record shows.
NPI 1336337542 is registered to Glenn D Littenberg MD INC, a healthcare organisation classified as "Gastroenterology" and located at 630 S Raymond Ave, Suite 240 in Pasadena, California. The organisation's authorised official is Glenn Littenberg. The organisation has been enumerated in the NPI registry since 2007.
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
- DG8342CA· Issued by RAILROAD MEDICARE PTAN
Medicaid
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 Glenn D Littenberg MD INC accepts. To confirm in-network status with your specific health plan, contact Glenn D Littenberg MD INC directly at (626) 449-9920.
Frequently asked
Yes. NPI 1336337542 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gastroenterology 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 (626) 449-9920.
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. Glenn D Littenberg MD INC is a Type-2 organisational NPI.