# Anshul Rathi

> Anshul Rathi is the founder and CEO of CertifyOS (Certify), a New York-based healthcare provider data platform that credentials clinicians in under two minutes using six data elements instead of 40-page forms. An engineer by training, he spent roughly six years as one of Oscar Health's earliest employees building its provider network and data infrastructure before leaving to attack the same problem industry-wide. CertifyOS takes an API-first, data-first, automation-first approach to making provider data a single source of truth across U.S. healthcare. The company raised a $40M Series B in June 2025, bringing total funding to about $69M.

- **Role:** Founder and CEO at CertifyOS
- **Organizations:** CertifyOS, Oscar Health, Brown University, Packet, WAM Partners (William Moses Co.)
- **Nationality:** Indian-American
- **Education:** Bachelor of Engineering, Electrical and Electronics Engineering, Nagpur University, India, Master of Science, Innovation Management, Brown University
- **Known for:** Founded and leads CertifyOS, a healthcare provider data platform with ~270 employees, Raised approximately $69M total across Series A ($14.5M) and Series B ($40M), Built credentialing that runs in under two minutes using six data elements instead of 40-page forms

## Career timeline

- **pre-2014** — Venture Analyst at WAM Partners (William Moses Co.); earlier work at Packet
- **2014-2020** — Among the earliest employees at Oscar Health; built provider network management and data infrastructure as the insurer grew from 2 to 20 states
- **2018** — Conceived the idea for CertifyOS while at Oscar Health
- **2020** — Founded CertifyOS, building the platform during the pandemic
- **2022** — CertifyOS raised $14.5M Series A for its credentialing automation platform
- **2025** — CertifyOS secured $40M Series B led by Transformation Capital, total funding ~$69M

## Achievements

- Founded and leads CertifyOS, a healthcare provider data platform with ~270 employees
- Raised approximately $69M total across Series A ($14.5M) and Series B ($40M)
- Built credentialing that runs in under two minutes using six data elements instead of 40-page forms
- Drove provider data platform to 99.8% field-level accuracy and a reported 30% accuracy improvement for clients
- Helped clients cut administrative costs by up to 40%
- As an early Oscar Health employee, helped the insurer scale from 2 to 20 states

## Latest updates

- **2025-06** — CertifyOS announced a $40M Series B led by Transformation Capital, with General Catalyst, Upfront Ventures and new investor SemperVirens; total funding reached ~$69M after tripling year-over-year growth.
- **2025-10** — CertifyOS unveiled an expanded provider data platform aimed at streamlining operations and cutting costs.

## Links

- Website: https://certifyos.com
- LinkedIn: http://www.linkedin.com/in/anshulrathi25
- Twitter/X: https://x.com/rathi_anshul

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Profile page: https://yespress.io/anshul-rathi
Published by YesPress — https://yespress.io
Last updated: 2026-06-14