Medical
InterWest Health Preferred Provider Organization Montana Payer ID
Payer ID84137
Payer details
- Payer ID
- 84137
- Other payer IDs
- 3451
- Coverage types
- Medical
- Programs
- Commercial
- Payer website
- interwesthealth.com
Other names
- InterWest Health
- Prime Health Services
Where it operates
Idaho, Montana, Nebraska, North Dakota, South Dakota, Utah, Washington, Wyoming
What You Can Check With InterWest Health Preferred Provider Organization Montana
- Eligibility and benefits for any service type InterWest Health Preferred Provider Organization Montana returns
- Instant results, 24/7, with no phone calls or portals
What a check returns is up to the payer: some return more detail than others.
Service Type Code LookupPayer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.
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