# Mark E Hamer, MD

Source: https://ourhealthnetwork.com/doctor/mark-hamer-md-1235107152
NPI: 1235107152
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark E Hamer, MD is a cardiac electrophysiology based in Hornell, NY practicing at St James Hospital with NPI 1235107152.

## Profile

- Primary specialty: Cardiac Electrophysiology
- Secondary specialties: CARDIOVASCULAR DISEASE (CARDIOLOGY)
- Credential: MD
- Gender: Male
- Medical school: NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
- Graduation year: 1986
- NPI: 1235107152 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1235107152))

## Practice and contact

- Practice name: St James Hospital
- Address: 7309 Seneca Rd N, Hornell, NY, 148439691
- Group practice size: 139 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 90.23/100
- Quality category score: 74.69/100
- Promoting Interoperability score: 100.00/100
- Improvement Activities score: 40.00/100
- Cost category score: 70.2532/100

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
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 13 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 8 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
- [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 Mark E Hamer, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1235107152).

## 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 $111.

Largest disclosed payer: Medtronic, Inc. ($111 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 Cardiac Electrophysiology doctors in HORNELL, NY](https://ourhealthnetwork.com/cardiac-electrophysiology/ny/hornell)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1235107152)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)