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Medical Staff

 Appointments with any of these providers can be made by calling 406.759.5194.


Gladys Young, MD

Gladys E. Young, MD - Chief of Staff


Dr. Young is a 1970 honors graduate of Midwestern State University in Wichita Falls, Texas and a 1974 graduate of University of Texas Southwestern Medical School in Dallas, Texas. After residency in Family Medicine at Southern Illinois University School of Medicine in Carbondale, Illinois she entered the Air Force and was trained as a Flight Surgeon. She is Board Certified in Family Medicine. She retired in 1997 with the rank of Colonel. Dr. Young has been in Chester since 1999 and continues to be a FAA Medical Examiner and associate professor with Embry Riddle Aeronautical University.

Dr. Young is recently married to Gale Lee, another Air Force retiree. She has one son and one gorgeous granddaughter. Other interests include horses and the great Montana outdoors.


Patrick Armstrong, PA-C

Patrick Armstrong, PA-C

Patrick was born and raised in Montana, and graduated from Montana State University with honors in Pre-Med. Since graduating from the University of Iowa Physician Assistant Program in 1995 he has practiced emergency and family practice medicine across the Montana Hi-Line region. With the help of his loving wife, he has raised 4 beautiful and talented daughters.

Patrick enjoys bow-hunting elk, fishing, gourmet cooking, and a good sense of humor.


Jeff Chelmo, PA-C

Jeff Chelmo, PA-C


Jeff returns to LMC, where he previously worked up until 2010, after five years of practicing in Alaska. Jeff and his wife Jenni (who is also the Wheat Country Estates Administrator) have been traveling from Chester to Alaska for the past few years and have made homes in both places. In Alaska, Jeff performed all facets of care, including drawing blood, x-rays, and taking vitals as well as treating the full spectrum of patient needs. In his role at LMC, Jeff works part time in the clinic seeing patients while also providing Hospital and emergency room coverage.

Besides practicing medicine, Jeff enjoys the great outdoors and spending time with family and friends.


Jill LeBlanc, PA-C


Jill graduated in 2007 with a BS in Microbiology/Pre-Med from Nicholls State University in Thibodaux, LA. She then went on to graduate Physician Assistant School in 2010 with a Masters of Physician Assistant studies from Albany Medical College in Albany, NY. Since graduation, she has worked in an array of environments including Family Medicine with a large Women’s Health component, Hospital Medicine, Emergency Medicine/Urgent Care, and Occupational Medicine. She has most recently been practicing medicine in rural Louisiana.

Jill and her husband Corey have three wonderful children Jill enjoys cooking, spending time outdoors, and with her family.


Tim Blair, FNP


Tim Blair is a board certified Family Nurse Practitioner. He has a diverse skillset and background in Emergency Medicine and Rural Health Care. Tim serves as an integral member of our team, providing high quality health care to the Hi-Line in the clinic, hospital, and emergency room settings.