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

Marsha Hillary Onan, MD

Individual provider Ophthalmology Physician · NPI 1376545186

Marsha Hillary Onan, MD is an Ophthalmology Physician in Austin, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11111 Research Blvd Ste 220
Austin, TX 78759-5264
Phone: (512) 324-6755
Fax: (512) 324-6753
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence K3623 (TX)

Record details

NPI number1376545186
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 11, 2005
Last updated in NPPESAugust 16, 2012

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