Chung Cuiffo M.D.
About this NPIWhat this record shows.
NPI 1659630556 is registered to Chung Cuiffo M.D., a Internal Medicine practising at 1100 W Stewart Dr in Orange, California. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Chung Cuiffo M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 21,844 Internal Medicine providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
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
- I20160802002594Internal 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 Chung Cuiffo M.D. accepts. To confirm in-network status with your specific health plan, contact Chung Cuiffo M.D. directly at (714) 771-8000.
Frequently asked
Yes. NPI 1659630556 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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) 771-8000.
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. Chung Cuiffo M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 21,844 Internal Medicine providers are registered in California, and Chung Cuiffo M.D. is one of them. The figure refreshes each month from the federal source.