JHN Staff

The Jackson Health Network (JHN) staff is committed to assisting provider offices in implementing programs to meet our vision.  These dedicated individuals bring significant expertise to their roles.

Provider Support Staff

Ali Aldridge, Supervisor of Practice Transformation/Program Specialist

Ali earned her Bachelor's degree in Healthcare Administration from the University of Michigan. She comes to Jackson Health Network with over six years of healthcare experience. Her most recent experience with population health included work related to the Patient Centered Medical Home Model, Blue Cross Blue Shield Physician Group Incentive Program, and Physician Quality Reporting System.

To Contact Ali directly:

Direct: 517-205-7517

Laurie Tarpley, Practice Transformation Specialist

Laurie comes to JHN with more than 20 years experience working in the health care field.  For the past 15 years, Laurie worked for various health plans, including Physician’s Health Plan of South Michigan, Priority Health, and Meridian Health.  Her office management in primary and specialty care has given her insight into the functioning of offices and impact of pay-for-performance systems on daily functioning.  Laurie provides principal support to the offices of our primary care members.

To contact Laurie directly:

Direct: 517-205-7520

Sherry Walling, Practice Transformation Specialist

Prior to Sherry joining the JHN team, she managed a local pediatric practice for 16 years and most recently spent a year working as a health care transformation representative at Jackson Physicians Alliance. Sherry's experience as a practice manager brings great skills to the JHN team. She understands the day to day problems that arise in a practice setting and can help offer solutions using her own experience. During her time spent at JPA, she focused on helping all primary care offices improve their HEDIS indicators, increase patient compliance, and earn PCMH designation.

To contact Sherry directly:

Direct: 517-205-6965

Care Coordination Staff

Nancy Arce, Supervisor, Care Coordination

Nancy has been a Licensed Master “Clinical” Social Worker for more than 20 years and has served in a multitude of capacities throughout her career providing services to those with mental health, medical and substance abuse problems. Nancy has been with Allegiance Health since 2001. During this time she has worked as both a Quality Improvement Specialist and Network Services Supervisor for Physician’s Health Plan of South Michigan (PHPSM), but comes directly to JHN after having served for 6 years as Case Manager in the Emergency Department. Her experience with arranging/coordinating services for persons of various ages and diseases will be a significant bonus to our Care Coordination processes.

To contact Nancy directly:

Direct: 517-205-7085

Gail Brenton, Care Coordinator

Gail is a Licensed Master’s Social Worker and comes to JHN after 24 years as a therapist in Behavioral Health.  She worked for Allegiance Substance Abuse Services (ASAS, formerly Bridgeway Center) for 20 years prior to transferring to JHN.  During her social work tenure, Gail assisted those adjudicated for alcohol or drug-related legal issues as well as persons struggling with Co-occuring Disorders (substance use disorders plus mental health diagnoses) through assessments, individual, group therapy, and treatment/discharge planning.  She also developed and facilitated a Women’s Recovery group while at ASAS and served on the Jackson County Recovery Court multidisciplinary team for 10 years.  Gail is excited to be a member of the Care Coordination team! Undoubtedly, her varied skill set will be essential to integrating mental health into the overall population health experience.

To contact Gail directly:

Direct: 517-205-7992

Michelle Cornstubble, Care Coordinator

Michelle is an Registered  Nurse who earned her Bachelors of Applied Science degree through Siena Heights. Michelle has a wide variety of nursing experience within Allegiance Health ranging from Staff Nurse, Educator, and Employee Health Nurse. She was also the Neuromuscular Service Navigator at the Allegiance Specialty Center; assisting patients who needed access to medical care.

Her experience also includes being the Director for Ganton Home Care, responsible for opening and running the business.  Michelle’s most recent experience is as a Nurse Liaison for Mary Free Bed and Sparrow coordinating admissions to Acute Inpatient Rehabilitation for trauma and stroke victims. Michelle is compassionate and dedicated to helping people, which is evident when you speak with her.

To Contact Michelle directly:


Direct: (517) 416-1140

Elizabeth Mangold, Care Connections Supervisor

Elizabeth is a registered nurse who graduated from Michigan State University with a Bachelor of Science in Nursing. She spent nearly four years as a staff nurse at Allegiance Health working primarily with stroke, cardiac and urinary patients. Elizabeth has also taught nursing clinical groups from Jackson College for three semesters on several med/surg units. Additionally, she completed a Six Sigma Green Belt project which successfully decreased the incidence of Post-Operative Respiratory Failures. Her approach as a nurse is informed by the relationship based care model; she believes that understanding the unique needs and life stories of patients is crucial to successfully partner with patients in their journey to better health. Elizabeth's experience will be an great asset to JHN's care coordination program.

To contact Elizabeth directly:

Direct: 517-205-7243


Michelle Long, Transition Coordinator

Michelle has been a Registered Nurse for the past 15 years.  During her nursing career, she has worked at the Center for Family Health with their pediatric and internal medicine patients, and was a school nurse here in Jackson for 9 years. She is also an instructor at Lansing Community College and teaches both the skills lab and clinical sites for CNAs. Additionally, she was the Personal Care Clinical Nurse Coordinator for 2 years prior to being a TeleHealth Nurse.

To contact Michelle Directly:

Direct:  517-205-7524

Jacquie Melling, Transition Coordinator

Jacquie received her ADN from Jackson Community College in 1994 and then her BSN from Ferris State University in 2007.  She began her career as a floor nurse at Foote Hospital for 11 years in the oncology/renal floor.  She then transferred to Allegiance Hospice where she worked for 8 years as a field nurse before transitioning to the In-Home Hospice Educator for almost 3 years.  Jacquie began her job as Transition Coordinator for JHN in February 2016.  In addition to her part-time position within Henry Ford Allegiance, she has also been the school nurse at Hanover-Horton for the past 17 years.  Jacquie and her husband Chris are raising their 7 children in the Hanover-Horton community where they both grew up.

To contact Jacquie Directly:

Direct: 517-205-7523

Regina Surbrook, Transition Coordinator

Regina received her ADN from Jackson Community College in 1996 and her BSN from Eastern Michigan University in 2009.  She began her career as a CENA and medical secretary while attending nursing school and transitioned to a floor nurse and eventually a Supervisor at Doctors Hospital in Jackson on the Medical/Surgical Unit, Step-down unit and ICU, working for a total of 9 years at that hospital until 2003 when the hospital closed.  Regina moved to Florida the same year and worked for HCA as a Charge Nurse on PCU and Supervisor at Englewood Community Hospital, a Supervisor at Doctors Hospital in Sarasota and ADON at Edward White Hospital in St. Petersburg.  In 2007, Regina returned to Michigan and worked for Chelsea Hospital on the Head Pain Unit.  In 2008, Regina started with Hospice of Jackson (Allegiance Hospice) and worked in several roles providing care to patients and their families, working in the role of supervisor and in 2011, accepting the role of manager for the In Home Hospice program until 2015. Regina was working as a RN medical coder in the Intake department for Home Care, Hospice and Personal Care just prior to starting the role of Transition Coordinator with JHN.

To contact Regina directly:

Direct: 517-205-3504

Development and Administrative Staff

Kristin Jervis, Program Performance Coordinator

Kristin received her undergraduate business degree from Central Michigan University and her Graduate degree in Business Administration from the University of Phoenix. Kristin has worked in several different capacities since 2010 in population health improvement, clinical incentive programs, and innovative care delivery model initiatives. In her current role as Program Performance Coordinator, she uses her extensive knowledge of incentive program design and population health management to coordinate numerous programs across primary care and specialty care, as well as track and report performance outcomes to ensure the success of participating providers. 

To contact Kristin directly:

Direct: 517-205-6924


Jia Li, MS, ME, Performance Measurement Analyst

Jia Li has joined the CI team as our new JHN Performance Measurement Analyst.  Jia received her undergraduate degree in InformationEngineering from Beijing University. She also has 2 Master’s degrees in Electrical Engineering and Engineering Management from Syracuse University. Before coming to JHN, Jia spent a year as a developer with Jackson County Medical Records (JCMR) and brings significant expertise in data analysis, database management and knowledge of Electronic Health Records to JHN.


To Contact Jia directly: