Our Providers

Peter C. Loeser, MD

Dr. Loeser is the owner and operator of Crossroads Family Medicine and Pediatrics, which he founded in 2008.

Raised in New Hampshire, Peter received an undergraduate degree in business administration from the University of New Hampshire, completed

his pre-medical training at Harvard University, and received his medical degree from Dartmouth Medical School.

For several years, Peter was the medical director at a federally funded

community health center, and prior to opening Crossroads Family Medicine and Pediatrics, he operated a consulting company specializing in electronic

health record data analysis.

Dr. Loeser is board certified in family medicine.

Sarah C. Medeiros, APRN

Sarah received a Bachelor of Science in biology from Stonehill College and her MSN through the MGH Institute of Health Professions in Boston.  Sarah previously worked for DHC in Concord for more than 13 years and has been a Pediatric Nurse Practitioner since 1997.

Sarah is board certified in Pediatrics.

Richard L. LaPage, APRN

Richard L. LaPage is a native and lifelong resident of New Hampshire.  Rick received his Bachelor of Science in Nursing from Regis College in Weston Massachusetts in 2014 and his Master of Science as an Adult/Geriatric Nurse Practitioner from Regis College in 2015.  Rick has worked in multiple areas of the healthcare system from the pre-hospital 911 system to long term care and hospice setting.  


Rick is a board certified AGPCNP-BC and a member of Sigma Theta Tau International. 

Megan E. Lokar, APRN

Megan graduated from Saint Anselm College in 2015 with a Bachelor of Science in Nursing and from the University of New Hampshire with a Masters of Nursing.


Megan comes with Nursing experience from Boston Children's Hospital and Dartmouth Hitchcock Medical Center.


Megan is a certified Family Nurse Practitioner and a member of Sigma Theta Tau. 

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