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Kevin O’Donnell, DO, is an expert sports medicine physician at Revitalize Regenerative Orthopedics LLC in Centennial, Colorado. He is an expert in non-surgical musculoskeletal care and bio-restorative therapies. He also specializes in minimally invasive treatments for osteoarthritis and chronic soft tissue injuries. 

Dr. O’Donnell is originally from West Chester, Pennsylvania, and completed medical school at Philadelphia College of Osteopathic Medicine (PCOM) and residency at Lehigh Valley Hospital in Allentown, Pennsylvania. 

Dr. O’Donnell subsequently served in the United States Air Force and was named 6th Medical Group Physician of the Year. He completed a sports medicine fellowship at the University of Toledo Hospital in Ohio to further his orthopedic expertise. Dr. O’Donnell then spent 12 years in Flagstaff, Arizona, specializing in minimally invasive and cutting-edge non-operative treatments. While in Flagstaff, he cared for national and international Olympic Athletes training at high altitudes. 

Dr. O’Donnell was previously an adjunct professor at A. T. Still University in Kirksville, Missouri. He looks forward to providing patients with the best possible non-surgical options available to help relieve their pain.

In his spare time, he enjoys reading, gardening, and traveling. Dr. O’Donnell also enjoys staying active. He is an avid sports fan and enjoys both participating in and watching a wide variety of sports. Dr. O’Donnell resides in Highlands Ranch with his wife, Meghan, and three energetic boys, Cole, Ryan, and Jack.

Nationally Board Certified

Physician Assistant

Heather Whiting is a native of Colorado and has been fortunate to serve the community as a physician assistant and patient care advocate since 2003.

She began her pursuit of a career in medicine at the University of Northern Colorado where she earned a Bachelors and a Masters degree in Human Biology. Upon graduation, Heather worked at the University of Colorado Hospital as a Rehab Therapy Technician. She later graduated from the Physician Assistant program at Red Rocks Community College in Lakewood, Colorado with honors and earned a second Master’s degree, a Masters of Medical Science from Saint Francis University.

Heather is very passionate about medicine and believes in caring for the whole patient. She enjoys working side by side with patients striving to achieve optimal physical and emotional health. She is experienced in treating patients across a wide spectrum of disease states and ages, from adolescence to geriatrics. She has special interest in disease prevention and health promotion.

Heather loves spending time with her husband and two sons. They enjoy the beautiful Rocky Mountains, camping, hiking, biking, and snowboarding.

Bridget Martinson, MA, is a Psychedelic Integration Coach specializing in helping clients seamlessly incorporate their medicine experiences into their daily lives. With a Master's in Counseling and specialized PRATI training, Bridget brings a comprehensive perspective, offering a depth-oriented, person-centered approach tailored to support each individual's unique journey.

Bridget assists clients in finding meaning in and reflecting on any material that surfaced during their journey in a non-ordinary state of consciousness, guiding them towards behavioral changes that integrate these insights into their day-to-day life. This process empowers clients to not only gain understanding but also implement tangible shifts in their behavior and mindset, leading to transformative growth and lasting positive change.

Recognizing the sensitivity surrounding psychedelic experiences, Bridget provides a secure, non-judgmental space where clients can openly express their thoughts, feelings, and revelations. Bridget believes you are the expert of your life. She encourages you to bring your authentic self and journey inward to find the answers and strength you're looking for. Her guidance focuses on unlocking your natural wisdom and potential for personal growth and healing.

In her coaching practice, Bridget places great emphasis on regular self-care for mind, body, and spirit, enabling her to offer support from a place of abundance. Beyond her coaching role, Bridget finds joy in hikes, savoring coffee with a view, exploring new destinations, and reading.

With over 6 years of experience in supporting clients, Bridget has established a reputation for a warm, compassionate, and grounded presence. As a coach, her primary focus is on creating a space where clients feel genuinely seen, heard, understood, and supported.

*Preparatory sessions are also available upon request. 

Education and Trainings:

-Masters of Arts in Counseling

-Certified in Foundational Ketamine Assisted Psychotherapy & End of Life / Existential Distress training through the Psychedelic Research and Training Institute

-Completed 30-hour Board Certified Coach Training Program through The Institute for Life Coach Training

-Brainspotting Phase I, II, and Expansion

Caroline "Callie" Fernandez, MS, PMHNP-BC, APN, is a Columbia University-trained and board-certified psychiatric nurse practitioner with extensive experience in medication management and psychotherapy. She currently treats clients at Peak Interactive Wellness in Denver, Colorado.  Callie sees all ages.

While Callie cares for clients across the lifespan, she has additional training in treating children and adolescents and integrates developmental strategies into her client work.

Since focusing solely on medication might only address some of a client's goals, Callie strives to understand the whole individual to tailor unique treatment recommendations. Her approach considers a client's nutrition, physical activity, social patterns, and unique features such as one's cultural identity and background; her own experience shapes this as a 2nd generation Cuban-American.

Callie strives to create a space where clients feel welcome and seen. By prioritizing active, neutral, and non-judgmental listening, she works to build an interactive assessment with the client's help. From this, Callie works with clients to develop a collaborative treatment plan that encompasses their needs, goals, and evidence-based practices.

Appointment hours:

Monday 8:30 AM-4:45 PM

Tuesday 8:30 AM-5:30 PM

Wednesday 9:30 AM-4:30 PM

Thursday 8:00 AM-3:30 PM

Check out her profile on Psychology Today
Email: [email protected]
Phone: 720-460-9083
Fax: 720-707-1640
Doxy.Me Link: https://doxy.me/callief

Bailie Cronin, DNP, MS, PMHNP-BC, APN, is the founder and CEO of Peak Interactive Wellness in Denver, Colorado. She is a doctorally prepared board-certified psychiatric mental health nurse practitioner (PMHNP) with prescriptive authority providing treatment for psychiatric ailments and disorders across the lifespan. 

​Bailie graduated from the University of Colorado Anschutz Medical Campus in Aurora with a Doctor of Nursing Practice (DNP) and a Master of Science in Nursing (psychiatric nurse practitioner). Her special interests include children/adolescent mental health, perinatal mental health, those struggling with fertility, those going through life transitions, and young adult mental health. 

She provides Spravato treatments and holds a ketamine/psychedelic psychotherapy certificate from PRATI. Bailie is also certified in functional medicine from the Institute of Functional Medicine and incorporates functional medicine approaches into her treatment plans.

Bailie strongly believes that the best treatment combines medication, therapy, and lifestyle alterations. She offers a holistic approach to mental health care, looking at lifestyle choices, including activity level, nutrition, and sleep patterns. Bailie is conservative in her prescribing practices.

​In her free time, Bailie enjoys traveling, trying new foods, yoga, reading a good psychological thriller, and spending time outdoors with her husband, dogs, and toddler.

*Bailie is currently on maternity leave and not accepting clients*

Check out her profile on Psychology Today
Email: [email protected]
Phone: 720-460-9081
Fax: 720-707-1640
Doxy.Me Link: https://peakinteractive.doxy.me/drcronin

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As a first-generation American raised in Colorado by immigrant parents from Guyana and Poland—both of whom proudly served in the U.S. military—Oswaldo Grenardo, MD, MBA, MSHA, FAAFP, grew up with a deep respect for accountability, service, and cultural diversity. These early influences, coupled with a desire to improve the healthcare experience for underserved individuals, led him to start his own private practice, OG Health, in Greenwood Village, Colorado.

With over 30 years of experience in family medicine and healthcare leadership, Dr. Grenardo brings a unique blend of compassionate, personalized care and executive-level insight to his patients at OG Health, the practice he founded to reflect his vision of whole-person care. He believes great care begins with a genuine relationship—where patients feel seen, heard, and truly known by their physician.

Dr. Grenardo has held numerous high-impact roles throughout his career, including Chief Medical Officer and Chief Diversity and Inclusion Officer at Centura Health/CommonSpirit Health, Medical Director of its Clinically Integrated Network, and Dean of Admissions at the University of Colorado School of Medicine. His leadership has touched every level of the healthcare system, from clinical integration to medical education and health equity.

A Stanford University graduate with a degree in Human Biology, Dr. Grenardo later earned dual master’s degrees in Business Administration and Health Administration before completing his MD at the University of Colorado School of Medicine. He completed his Family Medicine residency at Rose Medical Center in Denver.

Outside of medicine, Dr. Grenardo is a proud father, sports enthusiast, former Stanford football player, bonsai hobbyist, and certified barbecue judge. He remains active in the community, serving on multiple nonprofit boards, including the American Heart Association Colorado, the Colorado Health Foundation, and the Boys & Girls Clubs of Metro Denver—working to improve health and opportunity across Colorado.

Michael K. Cavanagh, MD joined Westmed Family HealthCare. He has a special interest in Sports Medicine and Wilderness Medicine. He is Board Certified. During his leisure time, Dr. Cavanagh enjoys running, cycling and snowboarding. Originally from Connecticut, he is married with two children.

Philosophy: 

"My primary goal as a physician is excellence in the care I provide. My philosophy is to treat my patients as a whole person, not just treating an illness.”

Specialty: Family Practice

In practice at WMFH: 1996

Education

Undergraduate: Drake University 1983 -1986

Medical School

University of Iowa 1990 -1993

Residency: University of Connecticut 1993 -1996

Board Certifications/Associations

American Board of Family Physicians, Board Certified 1993

American Academy of Family Physicians

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Dr. Brewington grew up in California and completed her medical training on the east coast, but has considered Colorado her home since moving here in 2003. Following residency, she opened her own clinic in Ft. Collins and later joined a small private practice, where she cared for patients until her youngest son was born. She then stayed home to focus on raising her two boys before relocating to Boulder County, and joined Westmed in 2017. Her favorite activities outside of clinic include reading, crafts, hiking, and doing just about anything with family.

Philosophy:

"My professional (and personal) mission is to nurture people towards wholeness of body, mind, soul, and spirit, so they can fully engage their lives. I believe in the healingpower of connection and enjoy cultivating long-term, collaborative relationships with patients in the context of their family, community, and environment. I’m committed to engaging with patients so that they are empowered with the knowledge, skills, confidence and motivation to overcome barriers and pursue their greatest potential for health and well-being.”

Education

Undergraduate: California Institute of Technology

Medical School

Dartmouth Medical School (now Geisel School of Medicine)

Residency: New Hampshire-Dartmouth Family Practice Residency

Board Certifications/Associations

American Board of Family Medicine

American Academy of Family Physicians

Alpha Omega Alpha Honor Medical Society

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Christian is a board-certified family nurse practitioner, who enjoys caring for individuals of all ages. She has a strong background in pediatrics, having worked as a pediatric nurse for 6 years prior to becoming a nurse practitioner. She was born and raised in Denver, and attended the University of Northern Colorado, where she completed her master’s degree in nursing in 2018. Prior to joining Westmed, she spent 6 years in central California, providing care to individuals at a private primary care clinic and student wellness center for pre-school to 12th grade students. She speaks Spanish fluently.

Christian prides herself in providing high-quality, patient-centered care, and strives to connect with her patients, to achieve the best outcome for the patient.

In her free time, she enjoys spending time with her friends and family, traveling, watching movies, and baking.

Sarah Sato, NP, is a board-certified nurse practitioner and one of the co-founders of The Alpine Center for Diabetes, Endocrinology, and Metabolism, PC located in Superior, Colorado. Sarah completed a Bachelor of Arts in Communications at The George Washington University in Washington, DC. She went on to earn both her Bachelor of Science and Masters of Science in Nursing at Columbia University in New York City, where she was part of the Sigma Theta Tau Honors Society. As part of her training, Sarah worked as a registered nurse at the Manhattan Children's Center and student nurse practitioner at the Neighborhood Family and Health Center in the Bronx.

After completing her training, Sarah worked as a nurse practitioner at several facilities in Colorado, before starting The Alpine Center for Diabetes, Endocrinology, and Metabolism, PC in 2019. Sarah is board certified and holds both a Registered Nurse and Nurse Practitioner license in the state of Colorado and is a Certified Diabetes Educator. She has independent prescriptive authority and holds a Drug Enforcement Administration certificate, which allows her to prescribe medication for patient treatment.