Please call (406) 842-5056 to schedule an appointment at our Sheridan or Twin Bridges Clinics with any of our healthcare providers.
Dr. Roman Hendrickson, MD


  • B.A., Modern French History - University of Minnesota

  • Certificate of European Studies - Universite Aix-Marseille Aix-en-Provence France

  • B.S., Clinical Chemistry - University of South Florida

  • M.D., College of Medicine, University of Florida - Tampa


  • Halifax Hospital Medical Center Family Practice Residency

  • Mini-Fellowship Geriatrics, Duke University

Board Certifications

  • American Board Family Medicine since 1979

  • American Board of Geriatrics since 1994

  • Fellow American Academy of Family Physicians

Professional Activities

  • President-Elect:  Montana Academy of Family Physicians

  • Past President: Montana Gerontology Society

  • Executive Committee:  Montana Medical Association

Areas of Interest

  • Geriatrics 

  • Asthma 

  • Dementia


  • Hiking, camping, fishing, travel and spending time with his wife and 11 children.

Dr. Molly Biehl, DO


  • B.S., Biomedical Science, Montana State University, Bozeman

  • Doctor of Osteopathic Medicine, Touro University, Henderson, Nevada


  • Eastern Maine Medical Center Family Practice Residency Programs

Board Certification

  • Family Practice and Osteopathic Medicine


  • Basic and Advanced Cardiac Life Support

  • Pediatric Life Support

  • Advanced Life Support in Obstetrics

  • Advanced Trauma Life Support


  • Health Access Network Family Physician

  • Millinock Regional Hospital

Areas of Interest

  • Family practice

  • Osteopathic Manipulative Medicine

  • Women's Health

  • Pediatrics


  • Hunting, fishing, hiking, gardening, camping, conservation efforts, versatile bird dog training, sewing

Dr. Kathy Meyer, DC


  • B.A., University of Connecticut, Storrs, Connecticut

  • Doctor of Chiropractic, Northwest Health Science University, Bloomington, Minnesota

Board Certification

  • National Board of Chiropractic Examiners


  • Nationally Certified Impairment Evaluator

Additional Studies

  • Advanced Extremity Adjustment, Prosport National Conference


  • Severe trauma clinic, St. Paul, Minnesota, 2 years

  • Private practice, Whitehall, Montana, 26 years

Professional Activities

  • Member, Montana Chiropractic Association

  • Member, Northwest Health Science University Alumni Association

Areas of Interest

  • Entire musculoskeletal system, the bio-mechanics of the human body


  • Hiking, gardening, being a Mom, Koinonia of Montana

Chris Hartsfield, APRN, FNP-BC


  • A.A., Polk Community College, Winter Haven, Florida

  • A.S., Nursing - Polk Community College, Winter Haven, Florida

  • B.A., Organizational Management, Warner Southern College, Lake Wales, Florida

  • M.S., Nursing: Specialty in Family Nurse Practitioner, Frontier Nursing University,
    Hyden, Kentucky


  • Prehospital Emergency Medical Services, 7 years

  • All aspects of Critical Care - Emergency Medical, Adult and Pediatric Intensive
    Care Units, 18 years

  • Flight nurse, 13 years

Board Certifications

  • American Nurses Credentialing Center

  • Board Certified Family Nurse Practitioner

Professional Certifications

  • Advanced Cardiac Life Support

  • Advanced Pediatric Life Support

  • Trauma Nursing Care Course

Areas of Interest

  • Emergency Medicine

  • Teaching

  • Lecturing


  • Sport of triathlon, cycling, running, swimming, adventure racing, hiking, camping, fishing and hunting

Paula Christensen, APRN, FNP-BC


  • L.P.N., Butte Vo-Tech

  • R.N.-A.S.N., New York University

  • M.S. Family Nurse Practitioner, Walden University, Minneapolis


  • Barrett Hospital, 25 years

  • Traveling nurse for rural hospitals, 21 years.  Responsible for all aspects of rural
    nursing - OB, Pediatrics, Med/Sur Outpatient, ICU/ER and charge nurse.

  • Radiology - 13 week assignment at Bozeman Deaconess for interventional radiology
    including PICC lines.

  • Flight nurse with Care Flight, Air Idaho, Omniflight, Air Methods and Summit Air,
    4 years.

  • Nurse Practitioner, Deer Lodge, 3 years

Board Certifications

  • American Nurses Credentialing Center

  • Board Certified Family Practitioner Nurse

Professional Certifications

  • PICC Line Certification

  • Advanced Trauma Life Support

  • Advanced Cardiac Life Support

  • Advanced Pediatric Life Support

Areas of Interest

  • All aspects of medical treatment and caring for patients

  • Women's health

  • Children with special needs


  • Antiquing, gardening, grandkids, kids, husband and a large extended family. 

Dayna Thergesen, CPNP


  • B.S. & M.S., Nursing, Sigma Theta Tau, University of Washington, Seattle

  • Completed a Fellowship in Children with Special Healthcare Needs, University of Washington, Seattle


  • Harborview Medical Center Children and Teens Clinic and Swedish Hospital, Seattle, Washington

  • Community Health Center Pediatrics serving the Ruby Valley, Dillon and Butte

  • Madison County Board of Health, Board Member

Board Certifications

  • Nationally Board Certified Pediatric Nurse Practitioner

  • Lactation Consultant

Areas of Interest

  • Pediatrics - birth to age 21

  • Children with special health care needs, ADHD, asthma, obesity prevention

  • Breastfeeding promotion and support


  • Hiking, fly fishing, horseback riding, cross country skiing, photography, hunting, gardening, anything outdoors and time with family and friends

Judy Weitzel, PMHNP-BC
Psychiatric Nurse Practitioner


  • B.A., Psychology, University of New Hampshire

  • M.S., Nursing, George Mason University

  • Post-graduate certificate in Psychiatric-Mental Health Nursing, Commonwealth University of Virginia


  • Broad experience with inpatient and outpatient mental health treatment

Board Certifications

  • Nationally Board Certified Psychiatric-Mental Health Nurse Practitioner (ANCC)

  • Clinical Nurse Specialist (APRN)

Areas of Interest

  • Impact of physical activity on mental health

  • Happiness research

  • Rural mental health issues


  • Hiking, bicycling, gardening, cross-country skiing, snow-shoeing and other outdoor physical activities

Scott Rigdon, CRNA
Non-Surgical Pain Management


  • B.S., Biochemistry, Portland State University, Portland, OR

  • R.N., Mount Hood Community College, Gresham, OR

  • Masters of Public Health, Portland State University, Portland, OR

  • Masters of Science, Nursing, Midwestern University, Glendale, AZ

  • Doctorate of Nurse Anesthesia Practice, Midwestern University, Glendale AZ


  • Anesthesia Technician, Oregon Health & Science University Hospital, Portland, OR

  • Pediatric and Neo-Natal ICU Nurse, Oregon Health & Science University Hospital,
    Portland, OR

  • Transport Flight Nurse, Oregon Health & Science University Hospital, Portland, OR

  • Nurse Anesthetist, Asante Three Rivers Medical Center, Grants Pass, OR

  • CEO, Transcendent Anesthesia and Pain Management, Bozeman, MT

  • Principal, Constantly Evolving Cutting Edge Continuing Education, LLC, Bozeman, MT

Board Certification

  • Certified Registered Nurse Anesthetist (CRNA)

Board Membership

  • American Association of Nurse Anesthetists

  • Montana Association of Nurse Anesthetists


  • Mountain biking, skiing, and fishing with his family. 

Katherine Tetrault, PA-C
Medical Director, Ruby Valley Emergency Medical Services


  • A.S., Paramedic Studies, Hartland Community College

  • B.S., Biology, Illinois State University

  • M.S., Physician Assistant Studies, Southern Illinois University, Carbondale


  • Physician Assistant, HeartCare Midwest Vascular and Endovascular Surgery,
    Peoria, IL

  • Adjunct Faculty of Physician Assistant Program at South Illinois University

  • Adjunct Faculty for EMT/Paramedic Program at Illinois Central College

  • Paramedic, Washington Fire Department

Professional Certifications

  • NCCPA Certified

  • Advanced Trauma Life Support

  • Basic Life Support and Advanced Cardiac Life Support Certified and Instructor

  • Pediatric Education for the Prehospital Provider Certified and Instruction

Areas of Interest

  • Emergency medicine

  • Vascular disease

  • Pediatrics

  • Women's Health


  • Spending time with my husband, children and three dogs, cooking, gardening, hiking, kayaking, horseback riding and pretty much anything outdoors.

Maria Bartoletti, DMD, MPH
Transitional Care - Dental and Oral Healthcare


  • B.S., Loras College, Dubuque, Iowa

  • D.M.D., M.P.H., Arizona School of Dentistry and Oral Health

  • Internship at the World Health Organization working at the Pan American Health Organization in Washington, D.C.


  • Southwest Montana Community Health Center, 5 years
    Director of the Butte clinic for 4 years

  • Bartoletti Dental

Board Certification

  • Montana Board of Dentistry

Professional Activities

  • Board member of the Dental Health and Access Committee for the Montana Dental Association

  • Board member for the Montana Oral Health Foundation

Areas of Interest

  • Access to dental health


  • Raising four busy daughters with her husband, Jack.  

The Ruby Valley Medical Center

321 Madison Street

P.O. Box 336

Sheridan, MT 59749

(406) 842-5453


Quick Phone Reference

Ruby Valley Medical Center - 842-5453

Fax - 842-5455

Ruby Valley Clinic - 842-5056

Twin Bridges Clinic - 684-5546

Physical Therapy - 842-5081

Madison County Public Health - 843-4295

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Twin Bridges Clinic

104 S. Madison Street

Twin Bridges, MT 59754

(406) 684-5546

The Ruby Valley Medical Center is an equal opportunity provider and employer.

(c) The Ruby Valley Medical Center & Debra McNeill, CFA