Dr. Blair Gerratt OD
Optometrist
He is located at 111 South 24th Street West in Billings, MT 59102. Can help patients with the following: Astigmatism, Binocular Dysfunction (BVD), Esotropia, Eye Floaters, Lazy Eye, Macular Degeneration. His National Provider Identifier (NPI) number is 1346809423. Appointment can be made via the phone number (406) 651-9063.
Conditions treated
Dr. Blair Gerratt, being an optometrist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Blair Gerratt.
- Astigmatism
- Binocular Dysfunction (BVD)
- Blepharitis
- Blindness
- Cataracts
- Color Blindness
- Contact Lens Prescription and Fitting
- Crossed Eyes
- Diabetic Retinopathy
- Dry Eyes
- Esotropia
- Exotropia
- Eye Allergy
- Eye Floaters
- Eye Strain
- Eyeglasses Fitting and Prescription
- Farsightedness
- Glaucoma
- Hypertropia
- Lazy Eye
- Macular Degeneration
- Nearsightedness
- Oculomotor Dysfunction
- Pink Eye
- Presbyopia
- Retinal Imaging
- Sty
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Blair Gerratt as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Montana
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 29 plans from Blue Cross and Blue Shield of Montana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Focus Bronze POS℠ 205 (3 plan variants) | POS · Expanded Bronze | Preferred | Accepting new patients |
| Blue Focus Bronze POS℠ 705 (3 plan variants) | POS · Bronze | Preferred | Accepting new patients |
| Blue Focus Bronze POS℠ Standard (3 plan variants) | POS · Expanded Bronze | Preferred | Accepting new patients |
| Blue Focus Gold POS℠ 207 (3 plan variants) | POS · Gold | Preferred | Accepting new patients |
| Blue Focus Gold POS℠ 902 (3 plan variants) | POS · Gold | Preferred | Accepting new patients |
| Blue Focus Gold POS℠ Standard (3 plan variants) | POS · Gold | Preferred | Accepting new patients |
| Blue Focus Silver POS℠ 206 (3 plan variants) | POS · Silver | Preferred | Accepting new patients |
| Blue Focus Silver POS℠ 903 (3 plan variants) | POS · Silver | Preferred | Accepting new patients |
| Blue Focus Silver POS℠ Standard (3 plan variants) | POS · Silver | Preferred | Accepting new patients |
| Blue Preferred Bronze PPO℠ 201 (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ 201 (4 plan variants) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Blue Preferred Bronze PPO℠ 202 (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ 202 (4 plan variants) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Blue Preferred Bronze PPO℠ Standard (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ Standard (4 plan variants) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Blue Preferred Gold PPO℠ 204 (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ 204 (4 plan variants) | PPO · Gold | Preferred | Accepting new patients |
| Blue Preferred Gold PPO℠ 901 (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ 901 (4 plan variants) | PPO · Gold | Preferred | Accepting new patients |
| Blue Preferred Gold PPO℠ Standard (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ Standard (4 plan variants) | PPO · Gold | Preferred | Accepting new patients |
| Blue Preferred Security PPO℠ 200 (4 plan variants) | PPO · Catastrophic | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Security PPO℠ 200 (4 plan variants) | PPO · Catastrophic | Preferred | Accepting new patients |
| Blue Preferred Silver PPO℠ 203 (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ 203 (4 plan variants) | PPO · Silver | Preferred | Accepting new patients |
| Blue Preferred Silver PPO℠ 308 (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ 308 (4 plan variants) | PPO · Silver | Preferred | Accepting new patients |
| Blue Preferred Silver PPO℠ Standard (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ Standard (4 plan variants) | PPO · Silver | Preferred | Accepting new patients |
PacificSource Health Plans
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from PacificSource Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Core Bronze HSA 10600 | EPO · Bronze | Tier One | Accepting new patients |
| Core Bronze HSA 8300 | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Gold 1500 | EPO · Gold | Tier One | Accepting new patients |
| Core Silver 3500 | EPO · Silver | Tier One | Accepting new patients |
| Core Silver 5000 | EPO · Silver | Tier One | Accepting new patients |
| Core Standard Expanded Bronze HSA | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Standard Gold | EPO · Gold | Tier One | Accepting new patients |
| Core Standard Silver | EPO · Silver | Tier One | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Blair Gerratt is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Blair Gerratt is enrolled to bill Medicare as a Practitioner - Optometry .
Bills through: Tom Felstet Od Pllc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Looking for more Optometrists?
Out of the 25 optometrists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 2120 Grand Avenue Billings, 59102, MT
- Gender: Female
- Address: Suite 2 795 King Park Drive Billings, 59102, MT
- Gender: Male
- Address: Unit 16 111 South 24th Street West Billings, 59102, MT
- Gender: Male
- Address: Suite L1 2675 Central Avenue Billings, 59102, MT
- Gender: Female
- Address: Suite L-1 2675 Central Avenue Billings, 59102, MT
- Gender: Female
- Address: 101 Bernhardt Road Laurel, 59044, MT
- Gender: Male
- Address: 2012 14th Street Southwest Great Falls, 59404, MT
- Gender: Female
- Address: 1515 Grand Avenue Billings, 59102, MT
- Gender: Male
- Address: Suite 202 2475 Village Lane Billings, 59102, MT
- Gender: Female
- Address: 2499 Gabel Road Billings, 59102, MT
Questions & Answers
What conditions does Dr. Blair Gerratt treat?
Dr. Blair Gerratt provides treatment for Astigmatism, Binocular Dysfunction (BVD), Esotropia, Eye Floaters, Lazy Eye, Macular Degeneration. For the full list see this list.
Does Dr. Blair Gerratt accept insurance?
Dr. Blair Gerratt is listed in-network for 37 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Montana, PacificSource Health Plans. See the Marketplace plans section for details.
Where can you meet with Dr. Blair Gerratt?
Dr. Blair Gerratt's office is located at 111 South 24th Street West in Billings, MT 59102.