Overview
Collier Nix is a primary care provider, practicing in Family Medicine in Montoursville, Pennsylvania. Dr. Nix is rated as an Experienced provider by MediFind in the treatment of Delirium. His top areas of expertise are Palindromic Rheumatism, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Robert Haggard is a primary care provider, practicing in Family Medicine in Jonestown, Pennsylvania. Dr. Haggard is rated as an Advanced provider by MediFind in the treatment of Delirium. His top areas of expertise are Alzheimer's Disease, Schizoaffective Disorder, Dementia, and End-Stage Renal Disease (ESRD).
UPMC Primary Care
Shelby L. Margut, MD, specializes in family medicine and is board-certified in family medicine by the American Board of Family Medicine. She is affiliated with UPMC Pinnacle Harrisburg, UPMC Community Osteopathic and UPMC West Shore. Dr. Margut completed her residency at Lancaster General Hospital Family Practice and medical degree at Jefferson Medical College/Sidney Kimmel Medical College. Dr. Margut is rated as an Experienced provider by MediFind in the treatment of Delirium. Her top areas of expertise are Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Idiopathic Edema.
UPMC Primary Care
Elizabeth Klucka, DO, specializes in family medicine and is certified in family medicine/OMT by the American Osteopathic Board of Family Physicians. She practices at UPMC Susquehanna Health, Family Medicine at Montoursville and is affiliated with UPMC Williamsport. She completed her residency at Williamsport Family Medicine Residency Center and medical degree at Philadelphia College of Osteopathic Medicine. Dr. Klucka is rated as an Advanced provider by MediFind in the treatment of Delirium. Her top areas of expertise are Boils, Dementia, Low Potassium Level, and Gitelman Syndrome.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Palindromic RheumatismDr. Nix isAdvanced. Learn about Palindromic Rheumatism.
- Experienced
- Acute Mountain SicknessDr. Nix isExperienced. Learn about Acute Mountain Sickness.
- Avian InfluenzaDr. Nix isExperienced. Learn about Avian Influenza.
- Benign Paroxysmal Positional Vertigo
- BoilsDr. Nix isExperienced. Learn about Boils.
- BronchiectasisDr. Nix isExperienced. Learn about Bronchiectasis.
- Calcium Pyrophosphate ArthritisDr. Nix isExperienced. Learn about Calcium Pyrophosphate Arthritis.

