# Hillary A Hahm, MD

Source: https://ourhealthnetwork.com/doctor/hillary-hahm-md-1801890280
NPI: 1801890280
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Hillary A Hahm, MD is a hematology/oncology based in Roswell, GA practicing at Wellstar Medical Group Llc with NPI 1801890280.

## Profile

- Primary specialty: Hematology/Oncology
- Secondary specialties: HEMATOLOGY, MEDICAL ONCOLOGY
- Credential: MD
- Gender: Female
- Medical school: JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
- Graduation year: 1981
- NPI: 1801890280 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1801890280))

## Practice and contact

- Practice name: Wellstar Medical Group Llc
- Address: 4500 Hospital Blvd, Roswell, GA, 300760001
- Group practice size: 3056 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 92.93/100
- Quality category score: 80.38/100
- Promoting Interoperability score: 100.00/100
- 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 (7 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) — 11 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 9 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 1 plan

To verify a specific plan covers Hillary A Hahm, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1801890280).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 35 disclosed payments from medical industry sources totaling approximately $741.

Largest disclosed payer: Janssen Biotech, Inc. ($134 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 Hematology/Oncology doctors in ROSWELL, GA](https://ourhealthnetwork.com/hematology-oncology/ga/roswell)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1801890280)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)