# Joel W Knaack, DO

Source: https://ourhealthnetwork.com/doctor/joel-knaack-do-1841236460
NPI: 1841236460
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Joel W Knaack, DO is a internal medicine based in Grayling, MI practicing at North Michigan Physician Services Pc with NPI 1841236460.

## Profile

- Primary specialty: Internal Medicine
- Credential: DO
- Gender: Male
- Graduation year: 2006
- NPI: 1841236460 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1841236460))

## Practice and contact

- Practice name: North Michigan Physician Services Pc
- Address: 1100 E Michgan Ave, Grayling, MI, 497381312
- Phone: (989) 348-5461
- Group practice size: 63 members

## Insurance accepted (5 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [BCBS Michigan](https://ourhealthnetwork.com/insurance/bcbs-michigan) — 3 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Joel W Knaack, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1841236460).

## Related on OurHealthNetwork

- [More Internal Medicine doctors in GRAYLING, MI](https://ourhealthnetwork.com/internal-medicine/mi/grayling)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1841236460)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)