National Provider Identifier Database

CATHY M TSIN, MD – NPI #1275920092
Pediatric Rheumatology

A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.


Contact Information

CATHY M TSIN, MD
333 N SANTA ROSA
SAN ANTONIO, TX78207-3108
Phone: 210-704-3030
Fax:
Website:
Specialty Taxonomy Code
* Pediatric Rheumatology 2080P0216X
Pediatrics 208000000X

* Indicates primary specialty

NPI Profile & details for CATHY M TSIN

NPI Number 1275920092
Credentials MD
Entity Individual
Enumeration date 04/20/2015
Last updated 10/01/2025 - About 8 months ago
Sole proprietor1 No
Identifiers
  • CA License #: A168568
  • TX License #: W1516
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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