# Cassandra Williams, MD

Source: https://ourhealthnetwork.com/doctor/cassandra-williams-md-1558546820
NPI: 1558546820
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Cassandra Williams, MD is a internal medicine based in Buffalo, NY practicing at Cogent Medical Care Pc with NPI 1558546820.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Female
- Graduation year: 2005
- NPI: 1558546820 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1558546820))

## Practice and contact

- Practice name: Cogent Medical Care Pc
- Address: 565 Abbott Rd, Rm 8 632, Buffalo, NY, 142202039
- Phone: (716) 828-2434
- Group practice size: 152 members

## Insurance accepted (12 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) — 18 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 13 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 8 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 4 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 4 plans
- [BCBS North Carolina](https://ourhealthnetwork.com/insurance/bcbs-north-carolina) — 3 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [Highmark BS Northeastern NY](https://ourhealthnetwork.com/insurance/highmark-bs-northeastern-ny) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Cassandra Williams, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1558546820).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 2 disclosed payments from medical industry sources totaling approximately $232.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($117 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 Internal Medicine doctors in BUFFALO, NY](https://ourhealthnetwork.com/internal-medicine/ny/buffalo)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1558546820)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)