Cathy Tsin, MD
Cathy Tsin, MD holds NPI 1275920092, with a primary taxonomy of pediatric rheumatology physician and a practice location in San Antonio, TX. The number was issued on April 20, 2015 and the NPPES record was last updated on October 1, 2025. The record lists 4 taxonomy codes. One additional practice location is listed.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Pediatric Rheumatology Physician Primary | 2080P0216X | W1516 (TX) |
| Pediatrics Physician | 208000000X | W1516 (TX) |
| Pediatric Rheumatology Physician | 2080P0216X | A168568 (CA) |
| Pediatrics Physician | 208000000X | A168568 (CA) |
Practice locations
Local context
Active NPPES records list 4 providers with pediatric rheumatology physician as the primary taxonomy within 25 miles of this practice location's ZIP code.
The same primary taxonomy is listed by 42 in Texas and 663 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Cathy Mei Tsin
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://api.npilayer.com/v1/providers/1275920092"