Billionaire Profile
Jeff Tangney
Global Rank
#2557

Image: U.S. Pacific Air Forces | CC BY 2.0 | via Wikimedia Commons

Jeff Tangney

CEO, Healthcare IT
UNITED STATES
Real-Time Net Worth
$1.452B
Estimated based on Healthcare IT stock value as of March 6, 2026
-1.78% (24h)
Age
53
Source
Healthcare IT
Industry
Healthcare
Citizenship
UNITED STATES

Biography

Jeff Tangney is the co-founder and CEO of Doximity, the largest professional medical network in the United States. With a net worth of $81 million (Jan 29, 2026), he built his wealth in the Healthcare IT sector. His career includes founding Epocrates, a mobile medical reference app, which he sold to Athenahealth. Tangney, a graduate of the University of Wisconsin-Madison and Stanford Business School, is known for his innovative approach to connecting healthcare professionals and improving patient care.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Jeff Tangney, born in 1974, began his entrepreneurial journey in his Stanford dorm room. He holds a Bachelor of Science in Economics and Math from the University of Wisconsin-Madison and an MBA from the Stanford Graduate School of Business. He was also a two-time math champion in high school.

Rise to Success

Tangney's career in healthcare began with the creation of Epocrates, a mobile medical reference app. He then co-founded Doximity in 2010, a professional network for physicians, often referred to as a "LinkedIn for Doctors." Doximity's platform allows doctors to connect, share information, and stay current with medical news. His initial stake in Doximity, which went public in June 2021, was worth nearly $3 billion. Tangney's leadership has been instrumental in Doximity's growth, with over 80% of U.S. physicians using the platform. Tangney sold Epocrates to Athenahealth for $293 million.

Key Business Strategies

Tangney's key strategies include focusing on the needs of physicians. Doximity's core offering is a HIPAA-compliant communication platform that includes secure messaging, digital fax services, and telehealth capabilities. His focus on digitizing healthcare and providing tools to save doctors time has been a key element in Doximity's success. Doximity went public in June 2021.

Philanthropy

Tangney is involved in philanthropy through the Dox Foundation, which funds medical missions abroad to help doctors treat patients in need.

Career Milestones

1998

Co-founded Epocrates

Launched a mobile medical reference app, which he later sold.

2010

Co-founded Doximity

Launched the professional medical network, which became the largest in the U.S.

2011

Epocrates IPO

Took Epocrates public.

Philanthropy & Social Impact

Healthcare

Dox Foundation

$XB

Funds medical missions abroad.

Business Philosophy & Leadership

Notable Quotes

"I'm most excited about solving some of the biggest challenges we have in healthcare uh the third leading cause of death in the US is medical Communications."

Leadership Principles

Physician-First Approach

Prioritizing the needs of physicians in all major decisions.