Thomas Sullivan Caldwell, MD

• Emergency Medicine Primary
  An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
  TX license #U7396 taxonomy 207P00000X
• General Practice
  A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
  TX license #U7396 taxonomy 208D00000X
• Military Health Care Provider
  Active duty military health care providers not otherwise classified who need to be separately identified for operational, clinical, or administrative processes.
  taxonomy 171000000X

Solo or small practice. No other active providers share this practice address in NPPES.

1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.