We are committed to providing high-quality medical care using state-of-the-art technology.

All of us at OnPoint Family Medicine at Parker Square strive not only to practice quality medicine, but also to partner with our patients in their care.

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Dr. Vu Headshot

Christen Vu, DO
Specializes in Internal Medicine & Family Medicine

Christen Vu, DO comes to OnPoint Family Medicine at Parker Square with two decades of medical experience. She completed her Family Medicine Residency at the University of Massachusetts and has been fortunate enough to work in many clinical settings including her own private practice in Tacoma, WA.

Dr. Vu’s passion for medicine was discovered on a dental mission trip to the Dominican Republic when she was 16 years old. In 2016 she was able to return to the Dominican Republic and fulfil her goal of providing healthcare to a much needed and deserving population.

Dr. Vu has a wide range of expertise including an emphasis on taking care of the entire patient, all aspects and ages. She offers pediatrics, adolescent medicine, women’s health, and Geriatric care.

“Being a physician is an honor and I treasure my role in the team approach to your health. I am a believer in preventative health care; caring for the entire individual – mind, body and soul, and look forward to getting to know you!”

Andrew Kloberdanz, DO
Specializes in Family Medicine

Andrew Kloberdanz, DO is committed to providing primary care to patients of all ages. He has a particular interest in providing medical care to those suffering from substance use disorders and ensuring that these patients receive the proper care for their addiction. Dr. Kloberdanz is board certified in Family Medicine and is board eligible for Addiction Medicine. He earned his medical degree from the Arizona College of Osteopathic Medicine, and completed his family medicine residency at Sparrow Hospital in Lansing, Michigan. He completed his Addiction Medicine fellowship through the University of Washington in Boise, Idaho. In his spare time he enjoys mountain biking and spending his time with his wife and many pets.

Dr. Vu Headshot
Speciality Women’s Health
Degrees University of Health Sciences College of Osteopathic Medicine in Kansas City, Missouri. She completed her residency in Family Practice at Truman Medical Center in Kansas City.
Experience 20+ Years in the Metro Area
Training Disease Prevention and Smoking Cessation
Work days Monday-Friday

Shari Logan FNP

Shari was born in Northeast Nebraska, grew up in a community of 800 people and had only 20 people in her graduating class. She went to Creighton University and graduated with her BSN in 1994. She worked as a Registered Nurse for many years before going back to school to get her MSN and FNP from Clarkson College in Omaha in 2009.

After graduating, Shari worked in rural communities doing everything from home visits to inpatient hospital care to clinic visits. She feels it is important to treat the whole person and involve the patient in the plan of care.

Shari has been married to her college sweetheart for over 22 years. She has 2 sons and 2 daughters and one very spoiled grandson. She enjoys watching sports, especially Nebraska football and college basketball.

Hannah Holloran, FNP-C

Specializes in Preventative Medicine


Hannah Holloran was born and raised in Dallas, Texas. When she was in high school she discovered her calling for helping people while volunteering at Children’s Medical Center. She went on to attend Purdue University and obtained her BSN in 2017. She then moved to Nashville, Tennessee and worked as a bedside Neuro ICU nurse at Vanderbilt University Medical Center for several years. While working at Vanderbilt, Hannah discovered a true passion for educating her patients on preventative medicine in the hopes they wouldn’t end up in the ICU again. This passion led her to further her education and attend Vanderbilt University for her MSN with a concentration as a FNP in 2020.

As a FNP, Hannah values collaboration between her patients to create a personalized treatment plan that meets the patients’ health goals. Hannah believes in treating patients in a holistic and well-rounded manner. The most important thing to Hannah is ensuring every patient she sees feels safe, heard, and understood.

Hannah moved to Denver, Colorado to enjoy the beautiful outdoors. She enjoys spending time with her loved ones, hiking, riding her Peloton, playing with her two kittens, and learning how to ski.

Julia Lederer, PA-C

Specializes in Patient Education

Julia has a passion for preventative medicine and is dedicated to treating her patients with compassion, intelligence, and respect. As a Physician Assistant, she believes that collaborative medicine is fundamental to excellent patient care.

She moved from Southern California in 2011 for her undergraduate career where she received her Bachelor of Arts in Integrative Physiology from University of Colorado, Boulder. She then worked for two years as a physical therapist aide and went on to receive her Master’s in Biomedical Sciences from the University of Denver. She obtained additional experience as a medical assistant in dermatology for two years before earning her Master’s in Physician Assistant Studies from Rocky Vista University.

Julia is certified by the National Commission on Certification of Physician Assistants and is a member of the Colorado Academy of Physician Assistants and the American Academy of Physician Assistants.

In her free time, she enjoys playing music, skiing, cooking with her husband, and biking. She is excited to have the opportunity to support the Parker community as a Physician Assistant while it continues to grow.