Willy Tjong
About this NPIWhat this record shows.
NPI 1831544196 is registered to Willy Tjong, a Diagnostic Radiology practising at 450 Stanyan St in San Francisco, California. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Willy Tjong has been enumerated in the National Provider Identifier (NPI) registry since 2016.
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
- I20210708003474Diagnostic RadiologyCA
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 Willy Tjong accepts. To confirm in-network status with your specific health plan, contact Willy Tjong directly at (415) 750-5770.
Frequently asked
Yes. NPI 1831544196 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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 (415) 750-5770.
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. Willy Tjong is a Type-1 individual NPI.