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Our Story


Deaver Shattuck was born in Knoxville and raised in Clinton. A charter member of the Society of Hospital Medicine, he was the original hospitalist at Blount Memorial Hospital where he still practices. He founded and is medical director of Blount Hospitalists. He has served at BMH as chief of staff and spearheaded the following quality initiatives: he championed the hospital's EMR implementation, established the sepsis team, and led the effort for the hospital to become a primary stroke center. He continues to serve as medical director for the stroke program.

With the business success of Blount Hospitalists, Dr. Shattuck knew he wanted to do more - more to serve patients in need, specifically the senior population. He partnered with his friend Dr. Teresa Catron and co-founded what has grown to be the largest private geriatric group in Tennessee, Blount Senior Care Partners (BSCP).

BSCP provides complete care in a unique model from several venues: their geriatric specialty clinic, all of the long term care, rehab, and assisted living facilities in Blount County, as well as Blount Memorial Hospital. They have developed service lines not just in specialty geriatric care, but also foot and wound care. They also provide the only fully integrated geriatric focused mental health services in the area.

These service lines were created to not only treat patients' urgent needs, but to genuinely care for them - to provide a model of treatment where patients are truly known by their physicians; they're not just another name on the chart. Heartened by the growth and the clinical excellence of these groups he decided to expand this unique care model into Knoxville with HouseCall Primary Care.

Dr. Shattuck serves on Tennessee's Stroke Best Practices Task Force and on the church council at St. John's Lutheran. He often presents on stroke care and on our community's addiction epidemic. He and his wife, Christie, recently celebrated their 25th anniversary and have 5 children.


Dr. Gillespie is a board certified psychiatrist with added qualifications in Geriatric Psychiatry. He has been the medical director at the Senior Behavioral Unit, at Lafollette Medical Center over 14 years. He was born in Oak Ridge and graduated from Oak Ridge High School. He graduated cum laude from the University of Tennessee Knoxville. He attended medical school at the University of Virginia and completed residency at the department of Behavioral Medicine and Psychiatry at University of Virginia Medical Center. He worked at Plateau Mental Health Center in Cookeville, TN for 4 years. He was the founding medical director of the Adult Psychiatric Unit at Baptist Hospital and worked there for 12 years with Psychiatric Associates. In 2003 he began supervising nurse practitioners in long term care settings in Middle and East Tennessee through SyMed, Vericare, and MedOptions. In January 2015 he was elected to the status of Distinguished Life Fellow of the American Psychiatric Association.

Dr. Gillespie has been married 43 years to Peggy Williamson Gillespie, also of Oak Ridge. Their grown daughters both live in the Silicon Valley area of California. He enjoys the east Tennessee lifestyle with camping, hiking, and lake fun. His hobbies include photography, video, computers, camera collecting, and reading books on tape.


Dr. Floyd grew up in the foothills of the Blue Ridge Mountains in "small town America," Laurens, SC – population 10,000. He received his MD degree from The Medical University of South Carolina in Charleston, SC. He started a general medical practice in Greenwood, SC to be near sick parents after completing an Internship and part of a Family Medicine Residency at Anderson Memorial Hospital in Anderson, SC. After his parents died, he returned to medical training to do an internship and residency in Internal medicine at Meharry Medical College, Nashville, TN. He stayed on as Chief Medical Resident in 1997 and joined the faculty as Assistant Professor in 1998. During that time completed a Master of Pharmacology. He is Board Certified in Internal Medicine. Dr. Floyd held many positions at Meharry including Associate Director of the Internal Medicine Residency Training Program, Director of the Internal Medicine Outpatient Clinic at Meharry, and Director of The Medicine Clinic at Nashville General Hospital, the Alvin C. York VA Medical Center, and Bordeaux Skilled Nursing Home. Other experiences at Meharry included Clinical Research on the peculiarities of drug metabolism in African Americans and authorship of a Text of Medicine Chapter on "Alternative Medicine." His honors include membership in AOA National Medical Honor Society. He is also a member of the American College of Physicians and The Society of General Internal Medicine, which are both Internal Medicine national physician groups.

In the summer of 2010, he "retired to East Tennessee" and has been a full time hospitalist at Blount Memorial Hospital since. He also serves as an attending at local nursing homes and is Co-Medical Director of the Sevierville Health and Recovery Center.

Dr. Floyd is married to Monica Helgeson Floyd and they have 6 children and 7 grandchildren. They enjoy spending family time with the kids and grandkids at their mountain home in the Laurel Valley community. Dr. Floyd is an avid golfer, enjoys all types of music and "fine dining with a glass of wine."


Dr. Robin Mahlow was born and raised in Nashville, Tennessee. She obtained a Master's Degree as a Family Nurse Practitioner at Vanderbilt University and was inducted as a member of the Sigma Theta Tau International Nursing Honor Society. She enjoyed the prestige of practicing at the Vanderbilt Asthma and Allergy Center for several years.

Dr. Mahlow loved caring for patients and desired to expand her skills by enrolling in medical school. She graduated with highest honors from the Ross University School of Medicine and completed the University of Louisville Family Practice Residency in Glasgow, Kentucky. She obtained her board certification from the American Board of Family Medicine. She and her husband Dr. Jeremy Mahlow moved to Knoxville, Tennessee, where she served as a hospitalist physician with Blount Hospitalists before joining HouseCall Primary Care.

In addition to practicing as a physician, Dr. Mahlow enjoys being a mother to her three children. In her spare time, Dr. Mahlow is an avid reader and enjoys exercise and attending church.


Dr Kayleigh Litton was born in Knoxville, TN and earned her undergraduate degree in Biology at Maryville College, where she graduated summa cum laude. In 2012, she earned her Medical Degree from Lincoln Memorial University. She completed her Internal Medicine residency in 2015 at The University of Tennessee in Knoxville, where she served one year as Chief Resident.

For Dr Litton, one of the greatest rewards of being a physician is forming lasting relationships with patients to help them live their best life. She focuses on individualizing patient care based upon each person's unique situation.

In her spare time, Dr Litton enjoys watching UT Sports, playing in the beautiful lakes of East Tennessee, traveling and spending time with her husband Scott.


Barbara has been a nurse practitioner since 2003, with over 10 years of that time spent caring for geriatric patients in nursing homes, transitional care units, and in assisted living.

Barb loves her work, says that caring for the elderly is "the best kept secret around."

Barbara graduated as an acute care nurse practitioner from University of Pittsburgh. She previously had obtained her RN diploma from Harper Hospital School of Nursing in Detroit and a B.S at Texas Woman's University.

She has practiced at the Pittsburgh VA Healthcare System where the medical director of the Heinz Progressive Care Center nominated her for Pittsburgh Federal Employee of the Year 2005. Since moving to Knoxville she has practiced in various nursing home and rehab facilities around the area.

She, her husband Charlie, one Labrador Retriever, and two pound kitties live in Knoxville.

Barb loves research, published an article in the Journal of the Academy of Nurse Practitioners about weight loss clinics/programs. She also did an unpublished study, Effects of Fever on Troponin levels.


Ms. Humphreys appreciates the opportunity to serve the community. She is Board Certified in Adult Health Nursing from the American Academy of Nurse Practitioners and Board Eligible in Geriatric Care from the University of Tennessee.

She received her Bachelor of Arts degree from the University of Mississippi and Master of Public Health degree from Tulane University. She worked to establish the James H. Quillen College of Medicine's Psychiatry Department. As a team member creating Woodridge Psychiatric Hospital in Johnson City, TN, she became their first assistant administrator. East Tennessee Baptist Hospital of Knoxville, TN recruited her as their Administrative Director to successfully establish and accredit the Senior Behavioral Unit providing inpatient psychiatric evaluation and treatment. Having come from a medical family, she attended the University of Tennessee and obtained the Bachelor of Science in Nursing graduating Summa Cum Laude and the Master of Science in Nursing. She extended her postgraduate education to become Board Eligible in Geriatric Care.

Ms. Humphreys has experience providing nursing care in emergent acute and chronic conditions in both adult and geriatric populations. She has three years of experience in emergent acute care, eight years in hospital inpatient psychiatric care, 12 years in nursing home psychiatric care, and five years in comprehensive care to patients in assisted living, skilled nursing and long term care facilities.

Ms. Humphreys and her husband, Larry, have two adult children and four grandchildren. They enjoy playing flute and clarinet in the church orchestra, playing with their grandchildren and traveling.


Heath is a board certified Family Nurse Practitioner. He began his nursing career in 2007 after graduating from the University of Tennessee with a Bachelor of Nursing. He obtained a Master of Science in Nursing from Carson-Newman University in 2014. He is certified by the American Nurses Credentialing Center and licensed by the State of Tennessee as an Advanced Practice Nurse.

Heath worked as a hospitalist with experience in the intensive care unit while at Blount Memorial Hospital. He currently provides home visits through HouseCall Primary Care. Heath worked to obtain specialty certification through the Wound, Ostomy, and Continence Certification Board. He was trained in wound and foot care specialties at Emory University in Atlanta. He is excited to offer specialized care to patients with wounds. He also obtained foot care certification dealing with disease and trauma to the foot and nail.

Heath was honorably discharged from the Air National Guard in 2007 with the rank of Staff Sergeant. He received the Tennessee Adjunct General's Ribbon of Valor for saving a young man's life while out of the country. He obtained security/police and EMT training while in the Air Force. This training was used during multiple deployments to Pakistan and Afghanistan. He also was activated to assist in recovery efforts in Waveland Mississippi after Hurricane Katrina.

Heath has an intense desire to bring medical care to the client's home. He believes that healthcare does not have to be difficult or confusing. He believes that in order to give excellent care he must be able to see how the client lives in order to accurately and holistically provide care.


Lesa R. Johnson, is a Nurse Practitioner certified by the board of American Nurses Association as a Family Nurse Practitioner.

Her nursing career began in 1991 as a nursing assistant and worked her way to an RN Degree at Walters State Community College in 1999. She worked as an RN in a little town called La Follette TN where she gained experience as an RN staff nurse, and RN Supervisor/Case manager primarily with Tennova Health and Rehab of Campbell County for 8 years. She then obtained her BSN at East Tennessee State University 2007. She went on to obtain her MSN from Lincoln Memorial University in 2009.

Her career for the past 7 years has primarily been in outpatient clinic setting in the rural area, in addition with Hospital and Skilled Nursing Facility rounds since 2009. However, she will tell you she always gravitates back to the elder population as she currently works in the Skilled Nursing Facilities.

Lesa is from an area very similar to the East Tennessee/ Tri-state Area. She was born in Copperhill, TN., however, raised on a farm just over the Tennessee-Georgia state line in a small town called Blue Ridge, Ga. She will tell you her house is truly divided as she is a Tennessee Volunteer fan by birth for the SEC but a Georgia Tech fan for the ACC. She presently is the proud mom to Noah her only son who keeps her busy as "Noah's Mom." In her spare time you may find her anywhere from the Appalachian Trial, to a Braves game.


Ashton Watson is a certified Family Nurse Practitioner. She began her nursing career in 2010, earning her Bachelor of Science Degree in Nursing from Tennessee Wesleyan University in Athens, TN. She later earned her Masters of Science Degree in Nursing from Carson Newman in the Family Nurse Practitioner program. She is certified by the American Association of Nurse Practitioners, and licensed by the state of Tennessee as an Advanced Practice Nurse.

Ashton started her career in critical care medicine. She went on to become a Nurse Practitioner and began her career in the field of geriatrics. She currently works in skilled nursing facilities as well as assisted living facilities.

Ashton is married and has two beautiful children. In her free time she enjoys spending time with her family, Tennessee football, and traveling as much as possible!


Jamie earned her Bachelor's in nursing December 2011 and began career at Blount Memorial Hospital as an Emergency nurse. After working the face pace of the Emergency Room, she moved her career to the Cardiac Rehab Unit while still working at Blount Memorial. Eventually Jamie moved to Case Management when she decided to pursue her Master's in Nursing. While attending school, Jamie joined the team of Blount Hospitalist until completion of her Masters. She received her masters from Lincoln Memorial University in Family Nurse Practitioner, Summa Cum Laude.

Jamie has practiced in Blount County her entire professional career. Jamie feels as if being a nurse practitioner is not a job but a calling to serve her community and provide medical care. She has a passion to be able to provide to best care to her community and feels as serving her local population is giving back to her community to all it has provided. Jamie and her husband, Michael, live in Maryville. They enjoy spending time with family, friends, and church community. They are recently proud parents of a baby boy, Zachary.


Amy received her nurse practitioner in 2016, and is certified by the American Association of Nurse Practitioners as an Adult Gerontology Nurse Practitioner. Amy has 6 years nursing experience from working in urban hospitals in Knoxville, TN and Louisville, KY. She has gained experience in a variety of environments including the ER, rehabilitation units, psychiatric and ICU units, among others. Since her first position as an RN, Amy discovered her favorite patient population is the elderly. "In the process of attending to their health care needs, they share their rich life experiences and knowledge with me."

Amy received a BA in 1989 from the University of TN. After completing her first career choice as a stay at home mother of three children, Amy began pursuing her second passion in life, caring for others. She received her nursing degrees from Lincoln Memorial University, King College and Maryville University, respectively.

Amy is mother to 3 children, Lucie, Holt and Georgi. When not practicing nursing, she enjoys spending time with her family, jogging, hiking the Great Smoky Mountains and cheering on the TN Vols when it's football time in Tennessee!


Alkiva Williams is a certified Family Nurse Practitioner. She began her nursing career in 2006, as a Licensed Practical Nurse, graduating from Tennessee College of Applied Technology. She continued her education earning a Bachelor's of Science in Nursing from South College in 2011. Alter earning her degree, Alkiva worked as a staff nurse in Nephrology and was a RN shift leader at Patricia Neal Rehabilitation Center. In 2017, she obtained her MSN from Lincoln Memorial University.

Alkiva is certified by the American Association of Nurse Practitioners and is licensed in the state of Tennessee as an Advanced Practice Nurse.

Alkiva and her husband David, live in Knoxville and have two sons, Chavis and David Jr. In her free time she enjoys spending time with her family and watching sports during football and basketball seasons.

Alkiva prides herself on paying attention to detail. She is adamant on ensuring that she puts forth her best effort to give her patients the quality healthcare that they deserve.


Trisha is a board certified Family Nurse Practitioner. She began her nursing career in 2008 after graduating from Tennessee Wesleyan University with her BSN in Nursing. She obtained a Masters from Lincoln Memorial University in 2015. She is certified by the American Nurses Credentialing Center and licensed by the State of Tennessee as an Advanced Practice Nurse.

Trisha was born and raised in Blount County Tennessee where her family can be traced back nine generations. Even though she was raised as a "small town girl" her nursing career has taken her from Tennessee to Alaska to California and Florida in areas of CCU, ICU and Emergency Room nursing. After six years of this fast pace nursing she thought she would remain in the hospital setting as a Nurse Practitioner Hospitalist but soon decided that outpatient care was where she belonged. Trisha has spent the last two years in the outpatient clinic setting in a rural area with a very large population of elder patients and it was here that she found her love of assisting and caring for that group of patients.

Trisha is a diehard Tennessee Volunteer fan as an alumni with a degree in Zoology in 1996 from UT. She will tell you that her family, soul and loves are here in Tennessee though she has a heart for Alaska and living there.


Whitney is a Nurse Practitioner certified by the American Association of Nurse Practitioners and licensed in the state of Tennessee as an Advance Practice Nurse. She began her career in nursing in 2005 graduating from Roane State Community College. She further went on to obtain a Bachelor's of Science in Nursing and a Master's of Science in Nursing Education from King University. In 2014 she obtained her Post-Master's Certificate in Family Practice. Whitney is currently pursuing her Doctorate of Nursing Practice and anticipating to graduate in the fall of 2020.

Whitney started her nursing career in medical/surgical oncology. As a Nurse Practitioner, she has worked in a multidisciplinary pain specialty and in a fast paced urgent care. She currently works in assisted living facilities and sees home bound patients.

Whitney is married and has one little boy. In her free time she enjoys spending time with her family and loves being on the lake!


Brooke Chalmers is a certified physician assistant by the National Certification Committee for Physician Assistants and is currently licensed in the state of Tennessee and Iowa. After graduating with her masters in physician assistant studies, she completed a one-year psychiatric fellowship for advanced practice providers at Broadlawns Medical Center in Des Moines, Iowa. During this fellowship, she received specialized training in geriatric psychiatry, child psychiatry, neurology, sleep medicine and outpatient and inpatient detox. Throughout the year, Brooke saw patients on the inpatient psychiatric unit, outpatient psychiatric clinic, and in the Crisis Observation Center. She also spent time doing psychiatric consultations throughout the hospital.

Brooke grew up in Portland, Oregon and has slowly made her way eastward over the years. She and her husband, Robert, recently moved to the Knoxville area to complete his residency program at University of Tennessee Medical Center. In their free time, they enjoy traveling, spending time with family, doing outdoor activties, visiting wineries, and enjoying a night out at a local restaurant.

Brooke is passionate about extending access to psychiatric care and providing mental healthcare to the community. She also enjoys serving those who have struggled with addiction and are trying to learn how to live free from drugs.


Billianne has a special heart for helping people. She began her career in business, but was able to realize her childhood dream of becoming a nurse in 2002. She distinguished herself in her first job as a ward nurse at Blount Memorial Hospital earning several honors and awards. In 2010, she partnered with Dr. Shattuck to form Blount Hospitalists, PC where she serves as the clinical practice manager. In 2015, she was instrumental in the formation of HouseCall Primary Care where she combines her strong business acumen with her passion for helping people from the perspective of a nurse. She manages the full operations of our rapidly expanding group.

Billianne moved to Knoxville in 1997. She has been married to her best friend Kyle for 15 years. They live in Knoxville and have a gifted handsome young son. She enjoys beer, baseball games, relaxing with her family and traveling to new places.


Kym is a 2009 graduate from the Blount Memorial Practical Nursing Program with 7 years of geriatrics experience. The first two years of her nursing career was spent being a charge nurse in a Dementia unit in Virginia where she received job-related Geri-psych training and certificates. She then moved on to long term care working on skilled units doing rounds with EVMS doctors where she obtained wound care experience. After 4 years of living in Virginia she became home sick for her Tennessee home and returned to Maryville. She continued in Geriatrics by doing Home health/Hospice and found it very rewarding to be able to provide one on one care to patients in this setting. Currently she is the Intake Coordinator for Housecall. She truly has a heart for what she does and believes you never work a day in your life when you're doing something you love.

Erica Kyle, Office Coordinator

Erica has contagious enthusiasm for her work. She is a service driven person who loves coordinating patient care. Verifying insurance & referrals is a passion of hers to ensure patients can receive the best care possible.

Upon graduating from high school, Erica went to work in social services at the Knox County Health Department for many years. She has always enjoyed helping patients with their needs throughout her career. She plans to continue her education in January.

Erica is very active in her community. She lives in Knoxville with Troy, her husband of 18 years. They have 4 children together. Erica enjoys reading, traveling, shopping and spends every chance she gets with her family.