Our Team

Jason Greer Interim Chief Executive Officer

Jason Greer is the interim chief executive officer at Community Health Provider Alliance (CHPA). He is also the CEO of CHPA’s partner, Colorado Community Managed Care Network (CCMCN).

Mark Sandvik Chief Financial Officer

Mark Sandvik is the chief financial officer at Community Health Provider Alliance (CHPA). Mark received his Bachelor of Arts degree in Political Economy from Colorado College (Colorado Springs, CO) in 1989. In 1995, he received dual degrees from the University of Colorado, Graduate School of Business (Denver, CO): Master of Science in Healthcare Administration and Master of Business Administration. His experience the past 25 years has included operational management and financial and clinical consulting work with integrated health systems throughout the mountain west. He served as chief financial officer at Northwest Colorado Health for more than 16 years during which time the organization experienced significant growth through program expansion and innovation to serve its vast market area. He was a member of the CHPA Board of Directors from 2015-2022.

Brandi Apodaca, RN, BSN Chief Operations Officer

Brandi Apodaca is the chief operating officer at Community Health Provider Alliance (CHPA). She has been an RN for over 23 years, with 15 years experience in implementing Clinically Integrated Networks, Accountable Care Organizations, and value-based care initiatives for commercial, Medicare Advantage and Medicaid contracts. In addition she has lead teams supporting fully-capitated medical management and developed care coordination, utilization management, disease management, and practice transformation programs. She previously served as a US Air Force RN and held management positions with Aetna and Physician Health Partners. In her most recent role, Brandi worked as the director of quality at HealthONE Colorado Care Partners (CCP) overseeing 4 commercial value-based contracts and 4 Medicare Advantage Programs. She collaborated with physician leadership to develop strong practice improvement toolkits and care coordination programs improving patient quality outcomes with data-driven quality improvement activities. At CCP, Brandi oversaw the successful support of 85 primary care practices with greater than 125K attributed lives resulting in annual contract performance of more than $2.5 million in shared savings. Brandi has lived in Colorado since 1988 and enjoys the beautiful Colorado outdoors including skiing and golf.  However, she spends most of her free time with family, including her husband, their four children and one grandchild.

Susie Stebbins Director of Human Resources & Business Operations

Susie Stebbins is the director of human resources and business operations at Community Health Provider Alliance (CHPA). With over ten years of experience in human resources working alongside the executive team, Susie specializes in human resources management, organizational leadership, and change implementation. One of Susie’s favorite things about working in human resources is supporting staff in their roles to drive innovation, improve processes, and cultivate a workplace culture that employees can thrive and grow in. Other things Susie is passionate about is utilizing technology for mass communication to educate, empower, and inspire our community to support CHPA’s mission and vision. Susie is inspired by her husband and two kids (ages 5 and 1) and in her free time, she likes to golf, play board games, cook, and attend performing arts events.

Caitlyn Seacat Executive Assistant & Communications Specialist

Caitlyn Diroff is the executive assistant and communications specialist at Community Health Provider Alliance (CHPA). She first started supporting CHPA part-time while working with sister company, Colorado Community Health Network (CCHN) in April 2019, transitioning to CHPA full-time in early 2022. Caitlyn’s primary responsibility is to assist the CEO, leadership team, and Board of Directors. She also leads the development and execution of the organization’s communications plan. Caitlyn earned her bachelor’s degree in public and nonprofit administration with a minor in advertising and public relations from Grand Valley State University in Grand Rapids, Michigan. Before moving to Colorado, Caitlyn worked in fund development and events for a small nonprofit carrying out a music-based academic achievement program for K-2 students in Kent County, Michigan.  She is skilled in nonprofit administration, executive assistance, event and conference planning, communications, fund development, community engagement, and more. In her free time, Caitlyn enjoys volleyball, yoga, cooking, and spending time outside.

Autumn Orser, MD, MBA Medical Director


Autumn Orser is an innovative, physician leader who has been working with Federally Qualified Health Centers in Colorado since 2009.  Autumn has been a Primary Care Provider at Peak Vista Community Health Centers since 2012.  During her career she has focused on population health, value-based care, continuous process improvement, and using data to inform change. Autumn is passionate about working with underserved and marginalized populations who have both medical and social complexity. Prior to transitioning to Community Health Provider Alliance, she served as Senior Vice President of Health Informatics at Peak Vista Community Health Centers.  She has also served as Vice President of Medical Services and oversaw nine health centers, including the Developmental Disabilities Health Center, several rural health centers, and the HIV center. Before that she was the Director of Medical Services at the largest primary care health center at Peak Vista. She obtained a certificate in Health Informatics from Regis University in 2022, an MBA from Indiana University in 2019, completed residency at Children’s Hospital Colorado in 2012, and obtained her MD from the University of Colorado in 2009. Autumn, her husband and two children live on a small, hobby farm in Black Forest, CO and love to travel.

Leah Fitzgerald, PharmD, BCACP Clinical Pharmacist for Value-Based Care

Leah Fitzgerald is a graduate of Auburn University and completed an ASHP accredited PGY1 residency in Atlanta, GA before moving to Colorado to begin her pharmacy career. Dr. Fitzgerald worked in the acute care setting as an intensive care specialist for the first half of her career. In 2016 she began working in community health as a senior clinical instructor with the University of Colorado Skaggs School of Pharmacy and Pharmaceutical Services. She is the director of pharmacy services at Denver Indian Health and Family Services (DIHFS), an Urban Indian Organization located in Denver, CO and supports pharmacy services at CU Family Health Clinic, a FQHC in Sheridan, CO.  During her time at DIHFS she implemented new pharmacy services including a 340b pharmacy and helped grow clinical services through utilization of collaborative drug therapy management protocols. Her work at DIHFS was highlighted in the Journal of Primary Care and Community Health in January 2022.  She is passionate about the opportunity pharmacists have to improve access to affordable medications and their positive impact on quality of care for vulnerable and underserved populations in Colorado. Outside of work she loves spending time with her family which includes her husband, two teenage boys, and their dog, Rufus. In addition to being active outside and enjoying the hiking trails near her home, Dr. Fitzgerald also loves to read and cook.

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BJ Dempsey Practice Transformation Manager

BJ is the practice transformation manager at Community Health Provider Alliance (CHPA).

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Heather Martinez, RN Practice Transformation Coach

Heather Martinez is a practice transformation coach at Community Health Provider Alliance (CHPA). Heather has 16 years of experience as a Registered Nurse that includes pediatric inpatient care, community behavioral health care, corrections nursing, and most recently population health management in the primary care setting. She has enjoyed her experience as a clinical nurse, recognizing that each patient interaction presented an opportunity to positively impact an individual and those close to them. For Heather, the decision to transition from clinical nursing to population health management was an easy one. The more she learned about population health management, and the positive impact this approach can have on, not just individual patients and their caregivers, but on entire patient populations, there was no question she had found her place within healthcare. Heather’s experience within population health management includes developing a successful team of case managers, educating medical providers and care teams on annual wellness visit processes, and successfully working with multiple payors on varied value-based programs. In her spare time, she enjoys mountain biking throughout Colorado with her spouse, son, and three dogs in their little red camper van.

MacKenzie Chackman, NCMA, CMP, LSSGB Practice Transformation Coach

MacKenzie Chackman is a practice transformation coach at Community Health Provider Alliance (CHPA). She brings a decade of diverse healthcare experience to her role. With background as an National Certified Medical Assistant (NCMA), Advanced Emergency Medical Technician (A-EMT), and clinical educator in the nonprofit sector, she specializes in primary care, internal medicine, and emergency medicine. Certified as a Change Management Practitioner (CCMP) and Lean Six Sigma Green Belt (LSSGB), MacKenzie shifted her career focus from direct patient care to pursue her passion for population health and quality improvement. Her drive stems from a desire to enact meaningful, lasting change within community healthcare systems. As a coach, mentor, and healthcare leader, MacKenzie has played pivotal roles in developing Medical Assistance Apprenticeship programs, securing grants, and collaborating with local community colleges to bolster community health initiatives. Outside of work, MacKenzie finds joy in live music, teaching dance, and embarking on outdoor adventures with her spouse, daughter, and pets.

Amber Gibson, MSN, RN, CLHP Practice Transformation Coach

Amber Gibson is a practice transformation coach at Community Health Provider Alliance (CHPA). Amber has worked in healthcare for two decades and as a registered nurse for the past ten years. She has a diverse clinical background in settings such as home health, palliative care, oncology and infusion, primary care, and complex care management and is especially passionate about leadership and quality improvement in the population health space. Amber has a Master of Science in Nursing (MSN) degree with a specialty in executive nursing leadership and is certified as a Lean Healthcare Professional (CLHP). She transitioned from bedside care to quality performance improvement work to nourish her desire to drive positive transformation at the population health level, which ultimately leads to healthier communities and improves the health and wellbeing of individuals within those communities. Some of the work Amber is most proud of includes standing up clinical best practice coordination of care programs to improve patient experience at the national level, the delivery of many targeted education programs to clinical teams to advance continuity of care and improve health outcomes, and precepting/mentoring numerous new graduate nurses as they enter the healthcare profession. Outside of work, Amber enjoys running, yoga, anything outdoors, baking fresh bread, reading, and spending time with her husband, daughter, and family cat, Nugget.

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Loretta Lathon, CPC, CRC, CDEO, AAPC Approved Instructor Risk Adjustment & Quality Specialist Educator

Loretta Lathon is the risk adjustment & quality specialist educator at Community Health Provider Alliance (CHPA). She is a graduate of Norfolk State University’s Advanced Billing and Coding Program. Loretta is a highly accomplished health care professional with over 25 years of experience in the health care industry.  Early in her career, she attended the US School of Allied Health Professions and completed training to become an EMT. She later worked as a health and safety coordinator where she was responsible for managing over 80 employees and coordinated health and safety courses with businesses throughout the Hampton Roads area. She has served as a member of the City of Suffolk Steering Committee, US Naval Chapel Council and vice president of the local Suffolk chapter of the American Association of Professional Coders (AAPC). She holds several AAPC specialty certifications and worked as an HCC Clinical Coding Trainer. Loretta was responsible for implementing client validation and remediation training programs, tracking quality scores, auditing providers, and giving feedback to ensure documentation was accurate, yielding maximum shared savings. Loretta has been married for 34 years to a US Navy Veteran who served 26 years in the armed forces. She enjoys exercising and spending time with her family.

Brionna Benedetti, CPC, CRC Supervisor of Quality & Risk Adjustment

Brionna Benedetti is the supervisor of quality and risk adjustment at Community Health Provider Alliance (CHPA). She is a graduate of the University of Florida’s Public Health program, holding high honors as a member of the Delta Omega National Public Health Honors Society. Brionna is an accomplished healthcare professional with over five years of experience in the healthcare industry. Early in her career, she started as a Patient Care and Risk Adjustment Coordinator for a physician-led ACO in Gainesville Florida, where she provided care coordination and HCC coding expertise to over 20 providers. While at this ACO, she also served as a case manager, piloting a program to reduce emergency department utilization and promote better health outcomes for patients with complex care needs. She later worked as a Practice Performance Manager and Medicare Consultant for United Healthcare, where she led both large health systems and small health groups in quality-of-care strategies and diagnoses recapture rates. She holds several certifications from the American Academy of Professional Coders (AAPC) and is passionate about the diagnostic coding world.

Christine Smidt, BA, CPC, CRC Value Based Coding Advisor

Christine Smidt is a value based coding advisor at Community Health Provider Alliance (CHPA). She graduated College America in 2002 with a medical assistant diploma. Christine went on to work mostly within family practice. In 2012 she graduated with a bachelors degree from College America. Christine started working for Ponderosa Family Physicians doing billing and coding and was the team leader for more than nine years. Christine used her expertise from both front and back office experience and helped institute the care coordination program that made a huge impact on the practice and patients. In 2016 she received her Certified Professional Coders (CPC) certification. She has also been the vice-president and president of her local Aurora American Academy of Professional Coders (AAPC) chapter since 2019.  Christine is married to a very patient and loving man, they have two sons ages 21 and 14.  Her Great Dane, Maximus serves as her office assistant. She also enjoys camping, crocheting, cross stitching, and sewing in her free time.

Diana Hope, CPC, CRC, CPC‐P, CGSC Value Based Coding Advisor

Diana Hope is a value based coding advisor at Community Health Provider Alliance (CHPA). She attended Big Bend Community College while living abroad in Feltwell, Norfolk, England. Upon relocating to Colorado, she took a fondness in healthcare coding and billing. After researching options for success, she pursued her passion with the American Academy of Professional Coders (AAPC) where she obtained her various licenses to work with distinct healthcare providers. Diana has worked in hospital burn centers, private practice, coding production centers, and in the corporate setting. She is a professional coder with over 25 years of experience in the healthcare industry. She has over seven years of experience in HCC risk adjustment. She has served as an officer for many AAPC local chapters. In her free time, Diana enjoys volunteering at local Great Pyrenees shelters. She also enjoys hiking, cooking, yoga, puzzles, and Tae Bo.

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Richelle Griffiths, RHIT, CCS, CRC Value Based Coding Advisor

Richelle Griffiths is a value based coding advisor at Community Health Provider Alliance (CHPA). She attended San Diego Mesa College in 2012, participating in the Registered Health Information Technologist (RHIT) program. She graduated with her associates degree and certification as a RHIT in Health Information Management (HIM). She later became certified by the American Health Information Management Association (AHIMA) as a medical coder in March 2014. Over the past 9 years, Richelle has worked as a contract coder for multiple hospital and physician networks around the country, strengthening her skills in many coding specialties. Most recently, she served as a clinical documentation integrity (CDI) specialist, auditing provider coding as a risk adjustment coder/auditor. She has a 10-year-old son and has adopted multiple animals. If she is not working or playing Minecraft or Roblox with her son, she enjoys woodworking and rehabbing furniture she buys at yard sales or thrift stores.

Monica Escareno, CPC, CRC Value Based Coding Advisor

Monica Escareno is a value based coding advisor at Community Health Provider Alliance (CHPA). With over 18 years of experience in healthcare, she graduated with a medical assistant diploma in 2002 and has since made significant contributions through her work and volunteer efforts. In 2019, Monica achieved her Certified Professional Coder (CPC) credential followed by her Certified Risk Adjustment Coder (CRC) in 2022, both from the American Academy of Professional Coders (AAPC). She has been actively involved in coding for the past three years, leveraging her expertise to enhance healthcare outcomes. Monica is a mom of two wonderful kids. Her daughter is 19 and son her son is 16 years old. They have two Golden Doodles (mini and toy) named Waffles and Leo. In her free time, Monica enjoys spending time in the mountains, going camping, being out on the lake, and traveling! 

Paula Thingelstad, CPC, CRC Value Based Coding Advisor

Paula Thingelstad is a value based coding advisor at Community Health Provider Alliance (CHPA). She has 17 years of vast coding experience and her true passion is for risk adjustment coding.

Brandi Gordon Healthcare Data Reporting Coordinator

Brandi Gorgon is the healthcare data reporting coordinator at Community Health Provider Alliance (CHPA). Brandi graduated from her local community college with an associate degree in Physical Therapist Assistant. Shortly after graduation, she pivoted from working in an outpatient physical therapy role into a data specialist role at a Delaware hospital in the trauma department, which is where she found her love for healthcare data. She enjoys seeing how much of a positive impact data can have on improving patients’ outcomes and experiences. Brandi is currently pursuing her Bachelor of Science in Computer Science. In her free time, Brandi enjoys mountain biking and volunteers as a coach for a local women, girls, and non-binary mountain biking team. She also enjoys spending time with her partner and their two cats.