Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Michael T O'Brien, MD

Individual provider Specialist · NPI 1649502675

Dr. Michael T O'Brien, MD is a Specialist in West Lake Hills, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1500 Wild Cat Holw
West Lake Hills, TX 78746-3659
Phone: (512) 327-2296
Fax: (512) 327-2296
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence D6511 (TX)

Record details

NPI number1649502675
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2010
Last updated in NPPESFebruary 1, 2010

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