Dr. Naomi Onaka
- Gender: Female
- Sole propriator: Yes
- NPI: 1932720224
Dr. Naomi Onaka
Emergency Physician
She is located at 6 13th Avenue East in Polson, MT 59860. Can help patients with the following: Altitude Sickness, Brain Hemorrhage, Broken Bone, Costochondritis, General Care, Phlebitis and Thrombophlebitis. Her National Provider Identifier (NPI) number is 1932720224. Appointment can be made via the phone number (406) 883-5680.
Conditions treated
Dr. Naomi Onaka, being an emergency physician, 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. Naomi Onaka.
- Acute Pain
- Altitude Sickness
- Angina
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Choking
- Common Cold
- Coronavirus
- Costochondritis
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Hematoma
- Influenza
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Whiplash
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Naomi Onaka 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 10 plans from Blue Cross and Blue Shield of Montana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Preferred Bronze PPO℠ 201 (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Bronze PPO℠ 202 (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Bronze PPO℠ Standard (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Gold PPO℠ 204 (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Gold PPO℠ 901 (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Gold PPO℠ Standard (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Security PPO℠ 200 (4 plan variants) | PPO · Catastrophic | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Silver PPO℠ 203 (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Silver PPO℠ 308 (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients at some locations |
| Blue Preferred Silver PPO℠ Standard (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients at some locations |
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. Naomi Onaka 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. Naomi Onaka is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Providence St Joseph Medical Center
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.
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Questions & Answers
Does Dr. Naomi Onaka accept insurance?
Dr. Naomi Onaka is listed in-network for 10 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Montana. See the Marketplace plans section for details.
What conditions does Dr. Naomi Onaka treat?
Dr. Naomi Onaka provides treatment for Altitude Sickness, Brain Hemorrhage, Broken Bone, Costochondritis, General Care, Phlebitis and Thrombophlebitis. For the full list see this list.
Where can you meet with Dr. Naomi Onaka?
Dr. Naomi Onaka's office is located at 6 13th Avenue East in Polson, MT 59860.