# John L Herzog, SR., MD

Source: https://ourhealthnetwork.com/doctor/john-herzog-md-1093734949
NPI: 1093734949
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John L Herzog, SR., MD is a cardiovascular disease (cardiology) based in Greenville, MS practicing at Delta Medical Group with NPI 1093734949.

## Profile

- Primary specialty: Cardiovascular Disease (cardiology)
- Secondary specialties: INTERNAL MEDICINE
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
- Graduation year: 1981
- NPI: 1093734949 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1093734949))

## Practice and contact

- Practice name: Delta Medical Group
- Address: 1400 E Union St, Greenville, MS, 387033246
- Phone: (662) 378-3783
- Group practice size: 47 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 80.88/100
- Promoting Interoperability score: 70.00/100
- Improvement Activities score: 40.00/100

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:

- [Humana](https://ourhealthnetwork.com/insurance/humana) — 3 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John L Herzog, SR., use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1093734949).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 24 disclosed payments from medical industry sources totaling approximately $1,540.

Largest disclosed payer: Penumbra, Inc. ($1,028 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 Cardiovascular Disease (cardiology) doctors in GREENVILLE, MS](https://ourhealthnetwork.com/cardiovascular-disease-cardiology/ms/greenville)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1093734949)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)