I work at UPMC, a nonprofit integrated global health enterprise based in Pittsburgh, Pennsylvania. I have been in one form of data processing/analytical or another in the medical arena for since the turn of the century.
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Ebooks
Q&A for ebook publishers and readers
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Area 51
Q&A for proposing new sites in the Stack Exchange network
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
Stack Overflow
Q&A for professional and enthusiast programmers
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Literature
Q&A for scholars and enthusiasts of literature
Medical Sciences
Q&A for professionals in medical and allied health fields, students of those professions, related academics, and others with a sound understanding of medicine and healthcare-related sciences
Woodworking
Q&A for professional and amateur woodworkers
Hinduism
Q&A for followers of the Hindu religion and those interested in learning more about Hinduism
Community Building
Q&A for community managers, administrators, and moderators
Engineering
Q&A for professionals and students of engineering
Puzzling
Q&A for those who create, solve, and study puzzles
Interpersonal Skills
Q&A for people looking to improve their interpersonal communication skills
Veganism & Vegetarianism
Q&A for those committed to a vegan or vegetarian lifestyle and anyone interested in learning more
Buddhism
Q&A for people practicing or interested in Buddhist philosophy, teaching, and practice
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Politics
Q&A for people interested in governments, policies, and political processes
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Astronomy
Q&A for astronomers and astrophysicists
Biology
Q&A for biology researchers, academics, and students
Travel
Q&A for road warriors and seasoned travelers
User Experience
Q&A for user experience researchers and experts
Information Security
Q&A for information security professionals
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Personal Finance & Money
Q&A for people who want to be financially literate
Super User
Q&A for computer enthusiasts and power users
Movies & TV
Q&A for movie and TV enthusiasts
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
Law
Q&A for legal professionals, students, and others with experience or interest in law
Mythology & Folklore
Q&A for enthusiasts and scholars of mythology and folklore
Physics
Q&A for active researchers, academics and students of physics
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
Gardening & Landscaping
Q&A for gardeners and landscapers
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
The Workplace
Q&A for members of the workforce navigating the professional setting
Arqade
Q&A for passionate videogamers on all platforms
Arts & Crafts
Q&A for artists and crafters
Islam
Q&A for Muslims, experts in Islam, and those interested in learning more about Islam
Seasoned Advice
Q&A for professional and amateur chefs
Server Fault
Q&A for system and network administrators
Ask Different
Q&A for power users of Apple hardware and software
Project Management
Q&A for project managers
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Latin Language
Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
English Language Learners
Q&A for speakers of other languages learning English
Internet of Things
Q&A for builders and users of networked sensors and control devices in the contexts of smart homes, industry automation, or environmental sensors
Code Review
Q&A for peer programmer code reviews