Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dr. Moma Health & Wellness Clinic is an outstanding resource for residents of Colorado Springs, Colorado, and the surrounding region. Under the leadership of Sylvienash Moma, DNP, the practice offers top-quality health care services as well as some of the most advanced aesthetic medical spa services currently available.
Dr. Moma is passionate about personalized care and takes the time to get to know the men and women who entrust her with their health and wellness. Education has always played a central role in Dr. Moma’s life, culminating in the completion of her Doctorate of Nursing Practice.
Services range from comprehensive primary care to medical weight loss, hormone treatment therapy, and treatment for erectile dysfunction. Patients also have access to state-of-the-art hair loss treatment, therapeutic IV hydration therapy, vitamin injections, and skin care. Medical aesthetics options include BotoxⓇ, DysportⓇ, and a range of dermal fillers.
Timothy Mazzola, MD, is triple board-certified in family medicine, sports medicine, and musculoskeletal ultrasound. He practices as a non-operative orthopedic and regenerative medicine specialist at Breakthrough Regenerative Orthopedics in Boulder, Colorado. His enduring professional passion is to bring restoration, healing, and hope to those looking to return to the life they love and be the people they are called to be.
Dr. Mazzola formerly worked as a non-operative orthopedic specialist at Cornerstone Orthopedics for eight years and was a United States Air Force Academy team physician.
Passionate about teaching, Dr. Mazzola is an assistant clinical professor at the University of Colorado in Boulder, teaching family medicine residents. He is a national expert and highly sought-after physician educator who has taught musculoskeletal and sports ultrasound for many years at the Gulfcoast Ultrasound Institute and Advanced US courses at the American Medical Society of Sports Medicine National Conferences.
As a leader in the field, he recently co-authored a chapter on using ultrasound-guided techniques in regenerative medicine procedures in one of the first textbooks on regenerative orthopedics, titled "Regenerative Treatments in Sports and Orthopedic Medicine," edited by Drs. Malanga and Ibrahim.
Apart from his passion for bringing restoration and healing to those God sends his way, he is blessed to have recently celebrated 25 years of marriage to his heroic and amazingly compassionate bride. They have been blessed with two amazing sons, each gifted with strength, kindness, brilliance, and leadership.
In his free time, you may find Dr. Mazzola cranking his bike up a trail, flowing down a mountain through powder, or, if he's lucky, riding great waves with good friends.
“This was a follow up from my PRP procedures on my SI, knee and ankle. Dr Mazzola pinpointed my stressors to my body are coming from my weak core strength and poor posture. He explained clearly what I need to to moving forward to help my body to correct and strengthen my core. I am planning and looking forward to at least another 40 or so active years and he's helping me get there!”
I believe I'm here to help you make an informed decision about your heath. It's not my job to tell patients what to do but to empower patients to make healthy decisions for themselves.
Nonjudgemental, thorough, holistic and evidence-based, I look at every angle to provide the best options for every patient.
Douglas Hallmark, MD, is an experienced and highly respected family medicine practitioner at Douglas Family Medicine who is delighted to be serving the population of Castle Rock, Colorado, and the surrounding areas.
Dr. Hallmark grew up in Colorado, graduating from Arapahoe High School in Centennial in 1970. He graduated magna cum laude with a degree in Chemistry from Baylor University in Waco, Texas, then pursued his medical degree at the University of Texas Medical Branch (UTMB) in Galveston. Dr. Hallmark graduated from UTMB in 1979 and practiced in East Texas for the next 10 years.
Dr. Hallmark’s life-long desire was to be a small-town family doctor who not only served his patients but developed close relationships with them. He has achieved this goal in his practice of medicine in Castle Rock for the past 20 years, providing exceptional medical care that recognizes the importance of treating every patient as a unique individual. By combining his considerable experience of primary care with the latest advancements in medicine, Dr. Hallmark is able to offer residents of Castle Rock the most up-to-date treatments available with the personal touch of hometown care.
Dr. Hallmark and his wife, Marie, have been married for over 30 years and have six children and one grandson.
Jodie Gahn-Stahley began her health-care career in 1990 as a US Fleet Marine Force Corpsman where she treated Navy and Marine Corps personnel and their families at Camp Pendleton, CA and Naval Medical Center San Diego, CA. After four years, she separated from active duty and continued her military career in the US Naval Reserves supporting Fleet Hospital 23, Field Medical Unit as a combat medical technician.
Jodie grew up in southeastern Wisconsin and attended the University of Wisconsin- Madison for undergraduate training in 1995. While pursuing her degree, she worked as a multi-specialty medical assistant at Dean Medical Center in Madison, Wisconsin. Her physician assistant training was completed at College of Osteopathic Medicine - Des Moines University. Since then, she has been dedicated to providing quality and cost- effective health care in the South Denver Metro area. Her outpatient medical practice spans the pediatric through geriatric
population with a focus on preventative medicine, disease management and urgent care.
In her personal time, she and her husband, John, enjoy a multitude of outdoor adventures whether hiking in the forest or boating and fishing in Colorado's mountain lakes and streams with their two dogs Max and Elke. An aspiring home chef and foodie, Jodie is known to whip up a tasty meal for her family and friends.
“I had put off having a full physical for a bit longer than I should have. After meeting with Gina for a different issue.... I have changed offices!
Gina is a wonderful caring person! I am blessed to have found such a FNP-C. I have and will continue to recommend her, and the office! Everyone at the office is very helpful and pleasant.”
Jodie Gahn-stahley, PA
Family Physician
1189 S. Perry St.
Suite 230
Castle Rock, CO 80104
4.92(68)
Dr. Oswaldo Grenardo, MD, MBA, MS
Family Physician 13.0 mi
385 Inverness Pkwy
Ste 130
Greenwood Village, CO 80112
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.
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.
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
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*
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.
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.
“As always, Heather Whiting went through my test results and explained everything thoroughly. She patiently answered the questions I had. She gave me a few suggestions moving forward and I always feel so lucky to have her as my primary health professional! Thank you again Heather! ❤️”
Heather Whiting, PAC
Family Physician
5420 South Quebec Street
Suite 100
Greenwood Village, CO 80111
“Nicole is very knowledgeable about the weight loss plan as well as the questions I had regarding the plan I am on. Also, the staff is great! 5 stars overall!”
Nicole Sheeder, FNP
Family Physician
8100 East Union Ave
#104
Denver, CO 80237
4.88(213)
Dr. David Zimmermann, PhD
Clinical Psychologist 19.2 mi
David R Zimmermann, is Colorado Recovery Solutions Chief Operating Officer (COO). He leads the Operations Team at Colorado Recovery Solutions in Colorado Springs, Colorado, to assist patients improve their mental health, provide alternatives to treatment resistant conditions, and give patients a different and more holistic pathway to life-changing treatments.
David graduated from the University of Colorado - Colorado Springs with a Bachelor of Science in Biology. He also has two Associates Degrees in General Studies from Pikes Peak State College and in Applied Science for Allied Health / Practical Nursing from the Community College of the Air Force. He is also a Veteran that served as an active-duty Air Force Medic in several different assignments. His specialties were Family Health as an Aerospace Medical Technician and Flight Medicine as a Flight and Operational Medical Technician. He worked closely in face-to-face patient care, clinical operations, headquarters medical management working groups and as a proficient first-responder out-in-the-field. He has also worked as an Emergency Medical Technician, Fire Fighter, Security and Parking Operations for different companies. His next goal is to get his Masters in Nursing with a specialty focus in Psychiatry.
His love for family, friends, nature, faith, science and his subjective life experiences have also inspired him to pursue a career in Advanced Clinical Psychiatry. He deeply relates to those suffering from all forms of mental health conditions and portrays a compassionate and empathetic care to finding a long-lasting or permanent healing.
He is a fluent Bilingual Spanish speaker, who is very proud to come from Central America. His other passion in the medical realm is to assist those that only speak Spanish or that speak very little English, to understand the full scope of their conditions and plan of care. As an immigrant himself, he personally witnessed the lack of resources and dire need in our immigrant communities, and wants to make an impact in where those services and resources are needed the most.
He loves caring for others and treating everyone with respect, dignity, humility and confidence. He is very happy to be leading the Operations Team at CRS and to harvest a community of empathetic professionals that are spearheading the way in our modern Mental Health Crisis with edge-cutting treatments and techniques.
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.
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