# Karissa C Hammer, M.D

Source: https://ourhealthnetwork.com/doctor/karissa-hammer-md-1801277736
NPI: 1801277736
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Karissa C Hammer, M.D is a obstetrics/gynecology based in Chicago, IL with NPI 1801277736.

## Profile

- Primary specialty: Obstetrics/Gynecology
- Credential: M.D
- Gender: Female
- NPI: 1801277736 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1801277736))

## Practice and contact

- Address: 680 N Lake Shore Dr, Suite 100, Chicago, IL, 60611
- Phone: (312) 288-6420

## Insurance accepted (3 networks)

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

- [HCSC: BCBS Illinois](https://ourhealthnetwork.com/insurance/hcsc-bcbs-illinois) — 108 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 6 plans

To verify a specific plan covers Karissa C Hammer, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1801277736).

## 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 $23.

Largest disclosed payer: Hologic Sales and Service, LLC ($23 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 Obstetrics/Gynecology doctors in CHICAGO, IL](https://ourhealthnetwork.com/obstetrics-gynecology/il/chicago)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1801277736)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)