# Mark Larson, MD

Source: https://ourhealthnetwork.com/doctor/mark-larson-md-1831651868
NPI: 1831651868
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark Larson, MD is a ophthalmology based in Greenfield, WI practicing at Ophthalmology Associates S C with NPI 1831651868.

## Profile

- Primary specialty: Ophthalmology
- Credential: MD
- Gender: Male
- Medical school: SANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
- Graduation year: 2019
- NPI: 1831651868 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1831651868))

## Practice and contact

- Practice name: Ophthalmology Associates S C
- Address: 4600 W Loomis Rd, Suite 310, Greenfield, WI, 532204858
- Phone: (414) 281-0424
- Group practice size: 9 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 85.24/100
- Quality category score: 97.91/100
- Promoting Interoperability score: 100.00/100
- Improvement Activities score: 40.00/100
- Cost category score: 52.8883/100

Source: CMS Quality Payment Program. MIPS scores reflect Medicare provider performance on quality, cost, and care improvement measures.

## 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
- [BCBS Minnesota](https://ourhealthnetwork.com/insurance/bcbs-minnesota) — 13 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 7 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mark Larson, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1831651868).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 6 disclosed payments from medical industry sources totaling approximately $272.

Largest disclosed payer: Amgen Inc. ($139 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Ophthalmology doctors in GREENFIELD, WI](https://ourhealthnetwork.com/ophthalmology/wi/greenfield)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1831651868)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)