# William A Hamilton, MD

Source: https://ourhealthnetwork.com/doctor/william-hamilton-md-1891892477
NPI: 1891892477
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William A Hamilton, MD is a family practice based in Calhoun, GA practicing at Adventist Health System Georgia Inc with NPI 1891892477.

## Profile

- Primary specialty: Family Practice
- Credential: MD
- Gender: Male
- Graduation year: 1983
- NPI: 1891892477 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1891892477))

## Practice and contact

- Practice name: Adventist Health System Georgia Inc
- Address: 400 Timms Rd Ne, Calhoun, GA, 307017016
- Group practice size: 181 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 83.09/100
- Quality category score: 68.91/100
- Promoting Interoperability score: 100.00/100
- Improvement Activities score: 40.00/100
- Cost category score: 69.5763/100

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

## Insurance accepted (2 networks)

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

- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers William A Hamilton, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1891892477).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 21 disclosed payments from medical industry sources totaling approximately $387.

Largest disclosed payer: Amgen Inc. ($58 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 Family Practice doctors in CALHOUN, GA](https://ourhealthnetwork.com/family-practice/ga/calhoun)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1891892477)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)