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Leading tech experts share their expertise on Twitter
Social media has enabled leaders with expertise in healthcare information technology to share how news and emerging trends will affect the industry. Nowhere is this more true than on Twitter, which attracts millions of visits and posts per day.

This is the third year that Health Data Management has sought to identify HIT and technology experts who are among the most influential on Twitter. Results are ranked by the number of followers each had in early November. Of course, the number of followers can change daily on Twitter.
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Eric Topol, MD
Topol is a cardiologist, researcher, Editor-in-Chief of Medscape and author of "The Patient Will See You Now" and "The Creative Destruction of Medicine." He is also the founder and director of The Scripps Research Institute, which is researching, among other things, the use of wearables in precision medicine initiatives.

@EricTopol

117,000 followers
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Brian Ahier
Ahier is digital health evangelist at Medicity, an Aetna business. He's nationally known as an expert, with expertise in health data exchange, use and analytics

@ahier

48,600 followers
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John Nosta
Nosta is president of NOSTALAB, a healthcare "innovation think tank" that focuses on the emergence of digital health and the implications to health, wellness, medicine and the pharmaceutical industry

@johnNosta

40,300 followers
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Susannah Fox
Fox is a healthcare and information technology researcher who was the Chief Technology Officer of the U.S. Department of Health and Human Services from May 2015 to January 2017

@SusannahFox

38,200 followers
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Wen Dombrowski, MD
Dombrowski is a geriatrics physician executive who develops technology, business and healthcare solutions to improve the quality of life of populations with complex medical and social needs. She is chief convergence officer and co-founder of Catalaize, and she serves as the aging, healthcare, technology and social media advisor for Resonate Health.

@healthcareWen

37,000 followers
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Dave deBronkart
deBronkart is a patient engagement advocate, speaker, blogger and author of Let Patients Help: A Patient Engagement Handbook.

@ePatientDave

36,900 followers
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Daniel Kraft, MD
Kraft is a Stanford and Harvard trained physician-scientist, a fellow at the Aspen Institute and founder of Exponential Medicine.

@daniel_kraft

34,400 followers
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Wendy Sue Swanson, MD
Swanson is a mom, pediatrician, executive director of digital health for Seattle Children’s Hospital and digital advisor.

@SeattleMamaDoc

33,800 followers
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Farzad Mostashari, MD
Mostashari is the founder of Aledade and former National Coordinator for Health Information Technology.

@Farzad_MD

33,700 followers
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Pat Salber, MD
Salber is a physician executive and journalist who is the Founder and CEO of The Doctor Weighs In, a multi-media company that focuses on sharing stories about healthcare and health tech innovation and innovators.

@docweighsin

29,500 followers
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Val Jones, MD
Jones is medical director of admissions at St Luke's Rehabilitation Institute and founder of Better Health.

@drval

26,800 followers
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Bernadette Keefe, MD
Keefe is a physician with an interest in social media in medicine and healthcare; she is also interested in aging and mobility.

@nxtstop1

24,300 followers
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Mandi Bishop
Bishop recently joined Gartner, where she is a member of the Gartner Healthcare Payer industry research team. She is a long-time healthcare industry analyst, participatory medicine advocate and data evangelist.

@MandiBPro

23,700 followers
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Sherry Reynolds
Reynolds is an eHealth strategy expert, thought leader, startup consultant and patient-centered design evangelist. Reynolds is the founder of the Alliance4Health, which uses a social venture investment model when mentoring startups in the healthcare vertical. Reynolds had served with ONC, where she was the National Project Director responsible for provider adoption of patient-centered health IT and the development of new patient-centered service lines at ONC.

@Cascadia

22,900 followers
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Shafi Ahmed
Ahmed has experience as a virtual surgeon and futurist. He is on the faculty at Exponential Medicine at Singularity University; consultant in colorectal surgery at Barts Health NHS Trust; and chief medical officer at DocHealth.

@ShafiAhmed5

21,700 followers
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Linda Stotsky
Stotsky is a healthcare IT user-centered design analyst. She is a healthcare advisory board member for marketing strategy and brand communications consultant for Fogo Data Centers. She has been a brand strategy and communications consultant for LSC Consulting.

@EMRAnswers

19,800 followers
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Harry Greenspun, MD
Greenspun is chief medical officer and managing director of KF Health Solutions. He describes himself as “focused on healthcare transformation.”

@harrygreenspun

19,400 followers
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Ted Eytan, MD
Eytan is a family physician and a director of digital engagement for the Permanente Federation of Kaiser Permenente.

@tedeytan

18,700 followers
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John Halamka, MD
Halamka is CIO of Beth Israel Deaconess Medical Center, Harvard Medical School. He is also chairman of the Healthcare Information Technology Standards Panel and fills numerous other HIT leadership roles.

@jhalamka

17,700 followers
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Geeta Nayyar, MD
Nayyar is a recognized leader in healthcare information technology as well as a board-certified practicing physician. Nayyar tweets “from a doctor’s point of view on health technology issues.” She is an advocate for “better healthcare IT collaboration and design.”

@gnayyar

17,400 followers
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Rasu Shrestha, MD
Shrestha is chief innovation officer at UPMC; he describes himself as a physician, informatician and a futurist discussing value-based healthcare.

@RasuShrestha

17,000 followers
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Steve Sisko
Sisko is a healthcare data technology and services consultant, affiliated with Healthcare Data, Technology & Services Group. Previously, he had been a senior IT project manager for quality management and direct health solutions for Cambia Health Solutions.

@ShimCode

15,300 followers
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Janice McCallum
McCallum is a consultant who specializes in sources and uses of healthcare data, healthcare information technology, clinical decision support and evidence-based medicine. She is managing director of Health Content Advisors.

@janicemccallum

14,000 followers
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Nick van Terheyden
As the recently named chief medical officer at BaseHealth, van Terheyden serves as the voice of the physician at the company. He formerly was chief medical officer at NTT DATA, and he filled a similar position with Dell. He describes himself as a thought leader focused on the value of healthcare IT for clinicians and patients.

@drnic1

13,200 followers
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Max Stroud
Stroud is a self-admitted geek, healthcare IT consultant and currently advises Galen Healthcare Solutions.

@MMaxwellStroud

13,000 followers
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Charles Webster, MD
Webster is president of EHR Workflow. Before that, he was CMIO at EncounterPRO Healthcare Resources.

@wareFLO

12,900 followers
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Karen DeSalvo, MD
DeSalvo formerly was the acting assistant secretary for health in the Department of Health and Human Services. She also served as the national coordinator for the Office of the National Coordinator for Health Information Technology.

@KBDeSalvo

12,700 followers
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David Chou
Chou is vice president and chief information and digital officer for Children’s Mercy Hospital and digital health evangelist for dchougroup.

@dchou1107

12,200 followers
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Daniel Z. Sands, MD
Sands is a health IT consultant and speaker for Zev Enterprises. He is a senior advisor for Conversa Health.

@DrDannySands

11,200 followers
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Will Weider
Weider is interim CIO at PeaceHealth. He calls himself a technology lover and a Crohn’s disease research advocate.

@candidCIO

10,500 followers