Cathy Tsin MD
About this NPIWhat this record shows.
NPI 1275920092 is registered to Cathy Tsin MD, a Pediatric Rheumatology Physician practising at 333 N Santa Rosa in San Antonio, Texas. Pediatric Rheumatology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Cathy Tsin MD has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20230810001993Pediatric MedicineCA
- I20251013003882Pediatric MedicineTX
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 Cathy Tsin MD accepts. To confirm in-network status with your specific health plan, contact Cathy Tsin MD directly at (210) 704-3030.
Frequently asked
Yes. NPI 1275920092 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Rheumatology 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 (210) 704-3030.
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. Cathy Tsin MD is a Type-1 individual NPI.