Caroline Gellrick, MD
Family Physician
1776 S Jackson St #840
Denver, CO 80210
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Availability last updated 07/03/2025
Caroline Gellrick, MD
Family Physician
1776 S Jackson St #840
Denver, CO 80210
Yasmin Pirani
Radiologist
4595 S Knox Ct
Englewood, CO 80110
Maisha Pesante
Family Physician
4595 S Knox Ct
Englewood, CO 80110
Dr. Analice Hoffenberg, MD, MSPH
Family Physician
1780 S. Bellaire St.
302
Denver, CO 80222
Andrea Ostrom, PA-C
Family Physician
13402 W Coal Mine Ave
Suite 230
Littleton, CO 80127
Sarah Mack, DO
Family Physician
13402 W Coal Mine Ave
Suite 230
Littleton, CO 80127
About Us
At Summit Health, we take a unique approach to health care. We are committed to providing our patients with the latest in personalized medicine and cutting-edge technology, all backed by MDVIP’s clinically proven system for improved health outcomes.
As an MDVIP associate practice, we offer an enhanced preventative care program focused on each individual patient’s unique needs. As a board-certified physician in Family and Lifestyle Medicine, we understand the value of preventative care, so we are devoted to developing a customized plan tailored to your specific goals, lifestyle and medical history. With our proactive approach to patient care, you can expect greater screenings, more accurate diagnoses and more effective treatments that are designed to provide you with the best possible outcome.
At Summit Health, we believe that no two patients are alike and that quality healthcare depends on listening to their individual concerns in order to improve overall wellness. By allowing time for longer consultation times and utilizing innovative technologies such as telemedicine visits or home monitoring systems, our team is able to create a comprehensive plan that can help heal complex illnesses or maintain optimal health now – and in the future.
Our commitment extends beyond office visits through additional services that include online access for prescription refills and detailed patient instructions; interactive mobile technology which allows for easy scheduling of appointments; laboratory services with rapid turnaround times for test results; preventive care health management plans; 24/7 access to your medical records securely; appointment reminders sent via SMS text messages or emails notifications; access to nationally recognized healthcare experts who specialize in advanced areas such as cancer therapy management and nutrition oversight; opportunities for second opinions from renowned experts around the country through virtual interviews; recommendations on lifestyle modifications and other helpful resources for chronic diseases such as diabetes or hypertension; financial pressure reduction with flexible payment options and incentivized discounts when paying out of pocket.
Become part of our specialized healthcare family today! Let us take the worry out of wellness so you can focus on achieving better long-term outcomes through preventative measures proven successful with MDVIP associates like Summit Health.
Dr. Michael Young, MD
Family Physician
6179 S Balsam Way
Suite 210
Littleton, CO 80123
Paramjit Parmar
Family Physician
10180 E Colfax Ave Ste 150
Aurora, CO 80010
Nicole Rowe, MD
Family Physician
28267 Highway 74
Evergreen, CO 80439
Nicole Sheeder, FNP
Family Physician
8100 East Union Ave
#104
Denver, CO 80237
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.
Heather Whiting, PAC
Family Physician
5420 South Quebec Street
Suite 100
Greenwood Village, CO 80111
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.
Kevin O'Donnell
Orthopedic Surgeon
5161 E Arapahoe Rd
Suite 250
Centennial, CO 80122
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
Caroline Fernandez
Nurse Practitioner
6530 S. Yosemite St.
Suite 330
Greenwood Village, CO 80111
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
Bridget Sigette, MA, LPC
Social Worker
6530 S. Yosemite St.
Suite 330
Greenwood Village, CO 80111
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
Dr. Bailie Cronin, APN, MS
Nurse Practitioner
6530 S. Yosemite St.
Suite 330
Greenwood Village, CO 80111
Tamara Johnson, MD
Family Physician
6825 S. Galena St
Centennial, CO 80112