Interwell Health

InterWell Health is a kidney care management company focused on improving healthcare for patients with chronic kidney disease (CKD) and end-stage renal disease (ESRD). It collaborates with physicians, payers, and providers to enhance patient outcomes and reduce costs through value-based care models. Founded by over 650 nephrologists and Fresenius Medical Care North America, InterWell operates independently with a physician-driven governance model. The company offers comprehensive population health management, emphasizing early detection and prevention of kidney disease. InterWell's value-based kidney care initiatives have led to significant improvements, such as an 85% higher home dialysis start rate and approximately 20% fewer hospitalizations compared to national averages. It provides personalized patient support, including access to healthcare professionals and 24/7 assistance, while also empowering physicians with tools to streamline patient management. InterWell Health serves over 600,000 patients and collaborates with more than 2,200 physicians and 2,600 nephrology practices across the United States.

Hospital & Health Care Boston, United States Founded 2014 ~387 employees Private · Series B

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Employees
387
+0.5% in the 3 months to Jun 2025
Total funding
$46M
Last round Series B, Apr 2021
12-month attrition
14%
Tech: 12.8%
H1B filings, FY2026
1
Sponsors visas
Open jobs
4
Last 30 days

Headcount trend

Interwell Health went from 349 employees in Jul 2023 to 387 in Jun 2025. Jan to Jun 2025: 30 people joined, 23 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other236
Operations56
Engineering36
Marketing16
Finance15
Sales7
Success7
Product6

Hiring now

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Salaries at Interwell Health

All salaries

2 salary profiles in the US

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering4
Operations1

The department split adds up all the years listed above. FY2026 alone: 1 filings.

Funding

  • Apr 2021 · Series B · $46M

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Interwell Health FAQ

How many employees does Interwell Health have?

Interwell Health has about 387 employees, up 0.5% over the 3 months to Jun 2025.

Does Interwell Health sponsor H1B visas?

Yes. Interwell Health filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.

How much does Interwell Health pay?

6figr has 2 salary profiles for Interwell Health in the US, with pay broken down by role, level, gender and ethnicity on the Interwell Health salaries page. See Interwell Health salaries

How much funding has Interwell Health raised?

Interwell Health has raised $46M in total funding; its latest round was Series B in Apr 2021.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.