Individual provider · Type 1 NPI

Timothy Ian Mackenzie Mercer, MD

Internal Medicine Physician · Austin, TX

NPI number 1215337092 Active

Practice location

1601 Trinity St
Austin, TX 78712-1765

Call (512) 978-8130 Map

Other practice locations

  • 5339 N Ih 35 Ste 100, Austin, TX 78723-2558 · (512) 978-8130

Specialties and licenses

TaxonomyCodeLicense
Pediatrics Physician 208000000XR4099 (TX)
Internal Medicine Physician Primary 207R00000XR4099 (TX)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1215337092

Timothy Ian Mackenzie Mercer, MD's National Provider Identifier is 1215337092, issued on Aug 28, 2014. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Austin, TX. The record was last updated on Jul 26, 2025.