Mark Collister: Email & Phone Number

Licensed Master Social Worker at Lifepoint Health® Guthrie Robert Packer Hospital|Williamsport, Pennsylvania, United States

Position:

Licensed Master Social Worker at Lifepoint Health® Guthrie Robert Packer Hospital

Location:

Williamsport, Pennsylvania, United States

View Mark Collister's Email

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Last updated: 2026-04-14

Updated: 2026-04-14

Found email addresses for Mark Collister:

Business emails:

*****@gmail.com

Found phone for Mark Collister:

+1-***-***-0122

A different Mark Collister?

Work Experience 6 years

Licensed Master Social Worker at Lifepoint Health® Guthrie Robert Packer Hospital

Dec 2025 - Current

Case Manager at Encompass Health

Mar 2025 - Sep 2025

Executive Director at Genesis House, Inc.

Nov 2020 - Feb 2025

Mark Collister started working in 2020, then the employee has changed 2 companies and 2 jobs. On average, Mark Collister works for one company for 1 year 10 months.

Education

Master of Social Work - MSW at Marywood University

Bachelor of Arts - BA at Bloomsburg University of Pennsylvania

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