MARSHA HILLARY ONAN M.D.
NPI 1376545186
Ophthalmology in Austin, TX

Active since August 11, 2005
11111 RESEARCH BLVD, SUITE 220, AUSTIN, TX 78759(512) 324-6755(512) 324-6753 Get Directions Write a Review

NPPES record last updated: August 16, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Marsha Hillary Onan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARSHA HILLARY ONAN M.D. (NPI 1376545186) is an individual ophthalmology provider in Austin, Texas, licensed in Texas (K3623) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1376545186
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameMARSHA HILLARY ONANCredential: M.D.
Location Address11111 RESEARCH BLVD, SUITE 220Austin, TX 78759-5264
Mailing Address1600 W 38th St, Suite 320Austin, TX 78731-6400 · (512) 324-3310 · Fax (512) 324-3311
Fax(512) 324-6753
Sole ProprietorNo
Enumeration DateAugust 11, 2005
Last NPPES UpdateAugust 16, 2012
NPI 1376545186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in TX · K3623
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
11111 RESEARCH BLVD, Austin, TX 78759

Other Identifiers 4

Medicaid117115905TX
Medicare PIN8F9818TX
Medicare UPING88682TX
Medicare ID-Type Unspecified8B6858TX

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Cardiovascular Disease)
11111 RESEARCH BLVD, SUITE 360
AUSTIN, TX 78759
Specialist
11111 RESEARCH BLVD, STE 170
AUSTIN, TX 78759
Pediatrics
11111 RESEARCH BLVD, STE 295
AUSTIN, TX 78759
Internal Medicine (Cardiovascular Disease)
11111 RESEARCH BLVD, SUITE 360
AUSTIN, TX 78759
Pediatrics (Pediatric Pulmonology)
11111 RESEARCH BLVD, SUITE 300
AUSTIN, TX 78759
Internal Medicine (Gastroenterology)
11111 RESEARCH BLVD, SUITE 390
AUSTIN, TX 78759
Surgery
11111 RESEARCH BLVD, STE 380
AUSTIN, TX 78759
Obstetrics & Gynecology (Gynecology)
11111 RESEARCH BLVD, SUITE 230
AUSTIN, TX 78759

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marsha Onan's NPI number?

The NPI number for Marsha Onan is 1376545186. It was assigned to this individual provider in the NPPES registry on August 11, 2005.

Where is Marsha Onan located?

Marsha Onan practices at 11111 Research Blvd Suite 220, Austin, TX 78759. The listed phone number is (512) 324-6755.

What is Marsha Onan's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Marsha Onan was last updated on August 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.