Sunny Day Medicine, Inc.
About this NPIWhat this record shows.
NPI 1639755275 is registered to Sunny Day Medicine, Inc., a healthcare organisation classified as "Internal Medicine" and located at 4201 Torrance Blvd #420 in Torrance, California. The organisation's authorised official is Victor Lin. The organisation has been enumerated in the NPI registry since 2021.
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.
Part B Supplier
- O20210729003400Clinic/Group PracticeCA
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 Sunny Day Medicine, Inc. accepts. To confirm in-network status with your specific health plan, contact Sunny Day Medicine, Inc. directly at (626) 688-6852.
Frequently asked
Yes. NPI 1639755275 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 (626) 688-6852.
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. Sunny Day Medicine, Inc. is a Type-2 organisational NPI.