# Gregory Allen Johnson, MD

Source: https://ourhealthnetwork.com/doctor/gregory-johnson-md-1205936556
NPI: 1205936556
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Gregory Allen Johnson, MD is a internal medicine based in Piedmont, SC practicing at Prisma Health University Medical Group with NPI 1205936556.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Male
- Medical school: MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
- Graduation year: 2004
- NPI: 1205936556 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1205936556))

## Practice and contact

- Practice name: Prisma Health University Medical Group
- Address: 1115 Wren School Rd, Piedmont, SC, 296738033
- Phone: (864) 859-0740
- Group practice size: 2448 members

## Insurance accepted (5 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
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 11 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers Gregory Allen Johnson, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1205936556).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 1 disclosed payment from medical industry sources totaling approximately $17.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($17 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 PIEDMONT, SC](https://ourhealthnetwork.com/internal-medicine/sc/piedmont)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1205936556)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)