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Brock J Alonzo

Brock J Alonzo, MD

Comprehensive Ophthalmology

Accepting New Patients

Highlights

Age Groups Seen

  • Infant 0-2
  • Child 2-12
  • Adolescent 12-16
  • Teen/Young Adult 16-21
  • Adult 21-65
  • Older Adult >65

Languages

  • English

Gender

Male

About

Professional Statement

Dr. Alonzo grew up in Missoula. He graduated from Montana State University with highest honors in Cell Biology & Neuroscience and earned his medical degree with highest distinction (Alpha Omega Alpha) from Oregon Health & Science University in Portland Oregon. He then completed an internship at Scripps Mercy Hospital in San Diego California before returning to Oregon Health & Science's Casey Eye Institute where he completed his ophthalmology residency. He then completed an advanced fellowship in glaucoma, cataract and intraocular lens surgery at the University of Utah's Moran Eye Center in Salt Lake City Utah. Dr. Alonzo is board certified and is a member of the American Glaucoma Society, American Academy of Ophthalmology, American Society of Cataract and Refractive Surgery and Alpha-Omega-Alpha Honor Medical Society. In his practice, Dr. Alonzo specializes in cataract surgery and the treatment of glaucoma. He enjoys being able to restore vision with the latest surgical technology and offers the most advanced intraocular lens implants including toric and multifocal lenses. Additionally, he enjoys the relationships built with his glaucoma patients having the common goal of preserving sight. He offers numerous treatment options for glaucoma including traditional topical medications, selective laser trabeculoplasty (SLT) and the latest minimally invasive glaucoma surgeries (MIGS). Dr. Alonzo's wife Erin also grew up in Missoula. They have three daughters. When he is not seeing patients, he enjoys spending time outdoors fly-fishing, hunting, skiing and mountain biking.

Locations

  1. Bitterroot Health Eye Clinic

Expertise

Education

  • Medical School: Oregon Health & Science University School of Medicine, Ophthalmology, 2014

Board Certifications

  • Ophthalmology: American Board of Ophthalmology, 2020

Insurance

Search plans
  • Allegiance
  • Blue Cross
  • Blue Cross Blue Shield of Montana
  • Champus
  • Cigna
  • Commercial Insurance
  • ConfigureNet
  • Employee Benefit Management Services
  • First Choice Health Network
  • Humana
  • Idaho Medicaid
  • InterWest Health
  • Medicaid
  • Medicare
  • Medicare Advantage
  • Mountain Health Co-Op
  • PacificSource
  • Sterling Life Insurance Medicare Advantage Plans
  • TriWest
  • United Health Care
  • University of Utah Health Plans
  • Veteran Affairs
  • Workers Compensation

Reviews

4.9 of 5 stars

148 Ratings, 16 Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
    5 out of 5 stars
    Reviewed on 7/28/2026

    Dr. Alanzo is one of the best providers I have ever seen. He truly care about his patients. I have the utmost respect for him.

    5 out of 5 stars
    Reviewed on 7/27/2026

    Every thing was better then I expected.

    5 out of 5 stars
    Reviewed on 6/17/2026

    They were really busy with patients and I rushed, the doctor took time but I didn't want to take up unnecessarily time.

    5 out of 5 stars
    Reviewed on 6/1/2026

    I had the best care I could ask for by Dr. Alonzo & his team.

    5 out of 5 stars
    Reviewed on 5/26/2026

    I recommend Dr. Alonzo for cataract surgery.

    5 out of 5 stars
    Reviewed on 3/28/2026

    Best eye dr I've seen..ever!!!

    5 out of 5 stars
    Reviewed on 3/25/2026

    Helpful, knowledgeable, caring

    5 out of 5 stars
    Reviewed on 2/25/2026

    Caregiver was excellent GREAT DR.

    5 out of 5 stars
    Reviewed on 2/23/2026

    Good.

    5 out of 5 stars
    Reviewed on 2/20/2026

    My appointment was for an annual eye exam Dr. Alonzo is very thorough and takes time to answer any questions.

    5 out of 5 stars
    Reviewed on 1/21/2026

    I would and have recommended Dr. Alonzo to others.

    5 out of 5 stars
    Reviewed on 1/21/2026

    I was optometry assistant & in other medical fields. Never have been as impressed as I am with Dr. Alonzo & his staff.

    5 out of 5 stars
    Reviewed on 12/23/2025

    Good.

    5 out of 5 stars
    Reviewed on 12/5/2025

    Dr. Alonzo is awesome!!

    5 out of 5 stars
    Reviewed on 11/5/2025

    Dr. Alonzo went above and beyond in every way! We highly recommend him, his office and Bitterroot Healthcare to all who may need assistance! Thank you for your expertise and excellent service!

    5 out of 5 stars
    Reviewed on 10/23/2025

    Dr. Alonzo is the best!! Recommending him and your surgical dept. to everyone I see!