# Martin Williamson

Source: https://ourhealthnetwork.com/doctor/martin-williamson-1740778646
NPI: 1740778646
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Martin Williamson is a optometry based in Decorah, IA practicing at Gundersen Clinic Ltd with NPI 1740778646.

## Profile

- Primary specialty: Optometry
- Gender: Male
- Graduation year: 2018
- NPI: 1740778646 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1740778646))

## Practice and contact

- Practice name: Gundersen Clinic Ltd
- Address: 1830 State Hwy 9, Decorah, IA, 521017301
- Phone: (563) 382-3140
- Group practice size: 443 members

## Insurance accepted (8 networks)

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

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [BCBS Minnesota](https://ourhealthnetwork.com/insurance/bcbs-minnesota) — 10 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [Wellmark BCBS Iowa](https://ourhealthnetwork.com/insurance/wellmark-bcbs-iowa) — 2 plans
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers Martin Williamson, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1740778646).

## Related on OurHealthNetwork

- [More Optometry doctors in DECORAH, IA](https://ourhealthnetwork.com/optometry/ia/decorah)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1740778646)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)