# Mark Tony Williams, MD

Source: https://ourhealthnetwork.com/doctor/mark-williams-md-1780118802
NPI: 1780118802
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark Tony Williams, MD is a ophthalmology based in Yorba Linda, CA practicing at Southern California Permanente Medical Group with NPI 1780118802.

## Profile

- Primary specialty: Ophthalmology
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
- Graduation year: 2017
- NPI: 1780118802 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1780118802))

## Practice and contact

- Practice name: Southern California Permanente Medical Group
- Address: 22550 Savi Ranch Pkwy, Yorba Linda, CA, 928874670
- Phone: (714) 685-3500
- Group practice size: 11190 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 93.27/100
- Quality category score: 87.76/100
- Improvement Activities score: 40.00/100
- Cost category score: 100/100

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

## Insurance accepted (10 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
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 10 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [HCSC: BCBS Oklahoma](https://ourhealthnetwork.com/insurance/hcsc-bcbs-oklahoma) — 2 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers Mark Tony Williams, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1780118802).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 33 disclosed payments from medical industry sources totaling approximately $1,570.

Largest disclosed payer: Regeneron Healthcare Solutions, Inc. ($409 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 YORBA LINDA, CA](https://ourhealthnetwork.com/ophthalmology/ca/yorba-linda)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1780118802)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)