Services

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Primary Care

Our healthcare center provides patients with regular wellness checks to assess their overall health, preventive screenings to identify potential risks, in addition to thorough physical examinations to monitor their well-being closely and detect any possible health concerns at an early stage.

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Immunizations/Vaccinations

Immunizations are crucial in safeguarding individual health and the community’s well-being.

Therefore, we offer a comprehensive selection of vaccines tailored to meet the needs of patients of all ages. From seasonal flu shots to the latest COVID-19 vaccine and immunizations for shingles and HPV, providing a wide range of vaccines allows us to prioritize preventive care.

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Women’s Health + Prenatal Care

At Crossover Health Services, we prioritize women’s health offering a range of comprehensive services designed to empower you at every stage of life. From routine gynecological exams and well-women visits to essential screenings like Pap smears and STD testing, our dedicated team in Tulsa is committed to your well-being. Whether you’re seeking birth control options, prenatal care, or pregnancy testing, we provide personalized care tailored to your unique needs and preferences. Our proactive approach emphasizes preventive measures and early detection, ensuring you receive the support and resources necessary for a healthy life. We will guide you through physical exams and lifestyle planning, empowering you with the knowledge and tools to make informed decisions about your health.

Proactive Preventative Care

Crossover Health Services is committed to delivering proactive, preventative healthcare, including check-ups, health screenings, and lifestyle counseling, based on individual health history, lifestyle, and risk factors. Our unwavering goal is to empower our patients to lead healthy, fulfilling lives both now and in the future.

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Family Care

Our healthcare centers provide family care services that cater to everyone under the same roof, from newborns to seniors. Our team of medical professionals is committed to providing compassionate, expert care, and establishing long-term relationships built on trust and respect. Whether someone in your family needs routine check-ups, immunizations, or specialized care for a chronic condition, we are here to help you and your loved ones stay healthy and happy.

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Telehealth Services

We offer telehealth services to accommodate circumstances where patients cannot come into the office. You can receive medical advice, ask questions, and conveniently get the care you need, all through our telehealth services. Patients connect with our medical professionals from the comfort of their homes through secure video appointments. 

Our telehealth platform is user-friendly and ensures reliable access to healthcare as if you were at the office by providing the same high-quality care as in-person visits. Whether it’s a routine check-up, medication questions, or chronic condition management, we offer expert guidance and support through our telehealth platform. Access care when you need it, where you are.

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Acute Care Visits

At CHS, we understand the importance of receiving prompt medical care. That’s why we offer same-day visits for both children and adults. Whether you’re dealing with a runny nose, fever, ear pain, or abdominal discomfort, our experienced and compassionate team is here to provide a swift diagnosis and the best possible treatment.

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Family Scheduling/ Accommodations

It can be challenging for families, especially larger ones, to have appointments spread out over different days and times. Crossover Health Services offers unique scheduling and accommodations, making it easy for family members to have appointments together. We make it our priority to provide a streamlined process.   Considering the challenges of juggling medical appointments and other commitments, our office staff is committed to providing a compassionate, patient, and helpful scheduling experience.

image of Larry Hytche, MHA, PA-C

Larry Hytche, MHA, PA-C

Larry Hychte is a skilled physician assistant who has proven his ability to lead teams, coordinate schedules, and represent healthcare professionals on various committees, fostering a collaborative and productive work environment. He has strong interpersonal and communication skills and is effective at facilitating information exchange in healthcare settings. He is dependable and committed to consistently delivering high-quality patient care. He holds his
Master’s in Healthcare Administration from OSU, and his Master’s in Physician Assistant Studies. In his spare time, Larry enjoys playing and watching sports, traveling, and is currently working on building a new community center for the town of Tallahassee.

Holly Bennett, ARPN, CNP

Holly Bennett is a distinguished Family Nurse Practitioner (FNP) and Director of Quality with 19 years of nursing experience. She graduated with a BSN from Samford University and an MSN as an FNP from Old Dominion University. Credentialed by AANP and licensed in Oklahoma, Holly holds Basic Life Support and Advanced Cardiac Life Support certifications. As the Director of Quality, Holly oversees patient safety initiatives and manages software adherence to regulatory standards. Her unique combination of clinical expertise, administrative skills, and commitment to quality and compliance positions her as a valuable healthcare leader. With extensive experience as a Primary Care Practitioner for diverse populations, Holly volunteered as a nurse on medical mission trips, free clinics, and mobile missions to underserved regions. Currently pursuing a Graduate Certificate in Population Health, she remains committed to enhancing her understanding of social and environmental determinants of health.

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Dr. Glenna Wong -Johnson, MD

Dr. Glenna Johnson is a board-certified family medicine physician who has served as a staff physician at Crossover Health Services since 2022. Originally from Maryland, Dr. Johnson graduated in 2019 from Penn State College of Medicine in Hershey, Pennsylvania. She completed a family medicine residency with the “In His Image” Family Medicine Residency Program” in Tulsa, Oklahoma, in 2022. Her interests in medicine include preventative health and community health. She has enjoyed being a part of the North Tulsa community, where she lives with her husband and their daughter. In her free time, she enjoys reading, going on nature walks, and spending time with friends & family.

image of Natalie Schaffer, DO

Dr. Natalie Schaller, DO

Dr. Natalie Schaller has served as Chief Medical Officer of Crossover Health Services since August 2023. She earned her undergraduate degree from Minnesota State University, Mankato, double-majoring in Spanish and Human Biology. Following undergrad, Dr. Schaller attended Kansas City University for medical school and was awarded the National Health Service Corps Scholarship. After completing her Family Medicine residency in Tulsa, Oklahoma, she started as Medical Director of the FQHC in Iowa in 2013. Along with her educational background, Dr. Schaller brings ten years of experience as a Medical Director for a Federally Qualified Health Center (FQHC) in Storm Lake, Iowa, and a passion for serving diverse, under-resourced communities. In this role, she oversaw daily clinic operations, supervised and trained staff, implemented policies and procedures, and participated in inpatient coverage. She exercised creative problem-solving during COVID-19, creating an outpatient clinic for diagnosing and treating cases. Dr. Schaller was awarded ‘Provider of the Year’ among Iowa’s FQHCs in 2022. Proficient in Spanish, she has participated in multiple medical relief trips overseas to Ukraine, Afghanistan, Malawi, Kenya, and Nepal. She also volunteered for ten years with a non-profit empowering marginalized youth in Storm Lake, showcasing her dedication to health and wellness in children. Dr. Schaller blends her FQHC and volunteer experience to bring healing and restoration to the local community of Tulsa.

image of Dr. J. Tyler Whitaker, DO

Dr. Tyler Whitaker, DO

Dr. J. Tyler Whitaker is a board-certified family medicine physician currently serving as the Chief Executive Officer of Crossover Health Services in Tulsa, Oklahoma – a position he has held since 2023. Dr. Whitaker earned his Doctor of Osteopathic Medicine degree from the Oklahoma State University College of Osteopathic Medicine in 2012. In 2015, he completed his internship and residency, serving as Chief Resident, at In His Image Family Medicine Residency at St. John Medical Center in Tulsa.  Dr. Whitaker has remained a part of the St. John staff, serving  as a hospitalist caring for inpatients, both there, and at Tulsa’s Hillcrest Medical Center. Passionate about individual and community health and dedicated to domestic and global health outreach, Dr. Whitaker has volunteered on medical missions to Haiti, Iraq, Nepal, Nicaragua, and Ukraine. He and his family of five have lived and served in the community of North Tulsa since 2012. In his free time, Dr. Whitaker enjoys doing anything with sports and outdoor activities.

Our Services

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Convenient Location

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Insurance Flexibility

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Personalized Treatment

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Flexible Scheduling

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Leading Technology

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Warm Atmosphere

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Friendly Staff

Our staff is known for their welcoming and helpful approach, ensuring that every patient who comes through our doors feels comfortable and cared for throughout their visit.

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Best Doctors

Our healthcare center employs highly experienced and knowledgeable doctors who stay up-to-date with the latest medical technology.