Dr. Marsha Hillary Onan MD is a female Ophthalmologist, has 15 years of experience and practices in Ophthalmology.
Dr. Marsha Onan has 4 office locations.
Northwest Austin
11111 Research Blvd
Ste 220
Austin, TX 78759

Phone Number
Locations and availability (4)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Marsha Onan, MD is board certified in Ophthalmology.

  • She has special expertise in 1 area:
  • Lazy Eye (Strabismus)

Education & Awards

Dr. Onan graduated from Baylor College of Medicine, Houston.


Dr. Onan has 19 hospital affiliations:

  • Seton Medical Center 
  • St. David'S Round Rock Medical Center 

Accepted Insurance Plans

Dr. Onan accepts these health insurances in at least one office:

  • Unicare - 2 plans
  • Superior Health Plan - 2 plans
  • Humana - 4 plans
  • Cigna - 8 plans
  • USA H & W Network - 1 plan
  • Aetna - 3 plans
  • Harvard Pilgrim Health Care - 4 plans
  • United Healthcare - 15 plans
  • Great-West Healthcare - 3 plans
  • Blue Cross Blue Shield of Texas - 4 plans
  • Scott and White Health Plan - 6 plans
  • AMERIGROUP - 3 plans

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Additional Information
Where does Dr. Marsha H. Onan practice?
Dr. Marsha Onan practices Ophthalmology near Austin, TX.
Additional practice locations include: Taylor, TX.
See Austin Ophthalmologists.