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Geisinger chief data officer makes ‘16 healthcare data-driven geeks to watch’ list


DANVILLE, PA – Nicholas Marko, M.D., chief data officer, Geisinger Health System, a neurosurgeon who serves as Geisinger Medical Center’s director of neurosurgical oncology, has been named to the list of “16 healthcare data-driven geeks to watch” by the magazine Healthcare IT News, the healthcare information technology industry’s leading news source.

With emphasis on big data and data analytics growing in the healthcare industry, the magazine’s editors highlighted some of the data-driven professionals they’re watching for potential breakthroughs from in the years ahead.

The magazine describes Dr. Marko as a data scientist with expertise in predictive analytics, organizational data strategy, data-driven collaboration and data science consulting.

He heads the department of data science and engineering in Geisinger’s division of applied research and clinical informatics. He also co-directs the High Performance Computing Center in Geisinger’s Institute for Advanced Applications.

Dr. Marko’s academic interests include integration of diverse data sources and application of advanced mathematical methods and modeling strategies to generate measurable value for organizations in the healthcare sector and beyond.

 “Our [Geisinger’s] analytics are varied and cover basically all parts of the spectrum. Obviously we support a lot of routine business needs, including thousands of reporting and dashboarding functions that are executed regularly,” Dr. Marko said.  “The more exciting part lies beyond that, where we are working with newer data types and more modern strategies to try to extract the most value from our data.

“There is a lot going on with data and analytics here at Geisinger, and we’ve got our fingers in just about everything that’s out there at the moment trying to find the best ways to connect this with the world of patient care,” he said.

Dr. Marko’s clinical practice focuses on surgical management of patients with malignant brain and spine tumors.

He will speak at the Healthcare IT News-HIMSS Media Big Data & Healthcare Analytics Forum, Thursday and Friday, June 18 and 19 in New York City.

About Geisinger
Geisinger is among the nation’s leading providers of value-based care, serving 1.2 million people in urban and rural communities across Pennsylvania. Founded in 1915 by philanthropist Abigail Geisinger, the non-profit system generates $10 billion in annual revenues across 134 care sites - including 10 hospital campuses, and Geisinger Health Plan, with 600,000 members in commercial and government plans. The Geisinger College of Health Sciences educates more than 5,000 medical professionals annually and conducts more than 1,400 clinical research studies. With 26,000 employees, including 1,600 employed physicians, Geisinger is among Pennsylvania’s largest employers with an estimated economic impact of $14 billion to the state’s economy. On March 31, 2024, Geisinger became the first member of Risant Health, a new nonprofit charitable organization created to expand and accelerate value-based care across the country.  Learn more at or connect with us on Facebook, Instagram, LinkedIn and X.

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