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Meet Our Team

Our Providers

Meet our team of providers and office staff bringing years of experience in the medical industry! If you would like to schedule an appointment, please call us at 978-354-4611.

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Hans C. Jeppesen, MD, MBA SFHM

President & Founder

Services: Primary Care, Addiction Medicine, Post-Acute, Hospital Medicine

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I am very fortunate to lead a team of highly committed and talented medical professionals. Charter is an entrepreneurial-minded group and since our founding in 2017 we have developed a number of successful services in various settings. One of my important responsibilities is to help the clinician – physician and nurse practitioner – develop a practice based on her or his interests and potential. I continue to be active in practicing internal medicine and am currently devoting more time to help those with problems with addiction, mental illness, and obesity.  

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Jatinder "Jolly" Aujla, MD

Medical Director

Services: Post-Acute, Hospital Medicine

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I’m an internal medicine physician and most people call me Dr. Jolly. I started my training in general surgery at Brown University but realized as the first year progressed that the more the personal field of internal medicine was a better fit. So, I made the change and graduated as Chief Resident. After training, I worked in post-operative care at Cleveland Clinic followed by Director positions in hospital medicine in Alabama and Massachusetts. For several years I led the hospitalist program at Anna Jacques Hospital in Newburyport. I’ve also done my fair share of teaching as a Chief Resident and as Associate Professor of Medicine. At Anna Jacques Hospital we restructured the hospitalist program and hired several recent nurse practitioner graduates who I trained and mentored in evidence-based medicine. I joined Charter Health in 2018 and am now the Medical Director at three of our facilities. This is honestly the best role I’ve been involved in.   Our team is a close-knit group of providers who take care of our patients with the utmost responsibility. In my spare time, I enjoy fishing, gardening, and, the most important thing in my life, my family. 


Diana Arena, MD

Medical Director

Services: Post-Acute, Hospital Medicine

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I’m an internal medicine physician and have practiced in a variety of settings during my career including primary care, long-term care, and hospital medicine. I graduated from the University of New England College of Osteopathic Medicine in Biddeford, Maine, and completed my training at North Shore Medical Center in Salem, MA. Prior to attending medical school, I worked as a physical therapist for many years.  My passion for health and wellness led me to pursue a career in medicine and becoming a doctor.

I’m excited to be part of this growing organization and working with an amazing group of colleagues. I’m fluent in conversational Italian, mom to two boys, and enjoy spending time with family and friends. My off-hour passion is nature photography.  However, most of all, I am dedicated to contributing to the health and well being of our community.

Gurpreet Saini

Gurpreet Saini

Nurse Practitioner

Services: Primary Care, Women’s Health

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I earned my Masters of Science in Nursing from Salem State University and a Bachelor of Science from Merrimack College. I am currently licensed as an Adult-Gerontology Nurse Practitioner in Massachusetts and have been serving primary care patients for the last three years, spending the last two years in Springfield, MA serving the underserved population. I offer family planning and women’s health services such as birth control counseling, GYN exams including PAPs for cervical cancer screening, breast exams, and provide services such as IUDs, nexplanon, etc.

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Kristin Taylor

Lead Nurse Practitioner 

Services: Post-Acute, Hospital Medicine

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Kristin Taylor practices a mix of nursing home and hospital medicine. Kristin is also Co-Lead NP in the practice providing leadership to our post-acute and geriatric service. Kristin has worked in various capacities at Salem Hospital since becoming a registered nurse in 1997. She spent 6 years as an RN in the Salem ICU and, subsequent to earning her NP degree, 11 years on the hospitalist service and 4 years on the gastroenterology service.  She taught nursing for 5 years at Salem State University’s College of Nursing.  Kristin joined Charter Health in 2017 and notes “I very much enjoy SNF and long-term care workers and also working with the psychiatric population”. Kristin is a competitive soccer goalie and loves traveling.

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Karen Maney

Lead Nurse Practitioner

Services: Post-Acute, Hospital Medicine

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Karen Maney practices a mix of nursing home and hospital medicine. She is also Co-Lead NP in the practice providing leadership to our post-acute and geriatric service. Karen began her NP career in the North Shore in 1996, spending 18 years as a hospitalist at NSMC before joining Charter Health at its inception in 2017.  Karen earned a Bachelor of Science in nursing from St. Joseph’s College in Maine followed by a Master’s degree at UMASS Lowell. Karen has for many years educated and mentored many NP students. She notes one of the many reasons she loves working at Charter Health is that “there is no bureaucracy dictating how many patients I must see in a day. I can take my time and get to know my patients better”.  Karen is a huge Red Sox fan and loves spending time on Cape Cod.  


Denise Gafanhao

Nurse Practitioner

Services: Hospital Medicine, Weight Loss Program

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Denise Gafanhao works in our hospital medicine practice and is also interested in health promotion and weight management. Denise’s 25+ years of experience are in hospital medicine, primary care, and gastroenterology. She earned a Bachelor of Science degree in nursing from Salem State University and a Masters from Northeastern University.  In 2007 she lost 90 pounds through diet and exercise, has successfully maintained her weight loss, and is an avid runner. Denies notes “working at Charter allows me to utilize all my skills to provide optimal patient care and I would love to help patients with their weight loss and fitness goals”.   

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Gresilla Fondi

Nurse Practitioner

Services: Post-Acute, Hospital Medicine

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Gresilla Fondi practices in our post-acute and geriatrics service. “Gracie” joined in 2020 and brings a wealth of experience to Charter including 14 years of experience in nursing and 3+ years as a post-acute nurse practitioner.   Much of her hospital nursing work on the North Shore was in oncology and infectious disease and she has a Masters’s degree in microbiology.   “What I love about the medical profession and my job is making a difference in peoples’ lives during challenging times. I am a family oriented person and love my balance of professional and family life.”

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Julie Rainville

Nurse Practitioner

Services: Post-Acute, Hospital Medicine

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Julie Rainville practices a mix of nursing home and hospital-based internal medicine for Charter Health. Julie is recognized for her ability to manage the complex medical patient and acute medical problems. Prior to earning her NP degree, she was a nurse leader in the emergency department at NSMC Union in Lynn. Julie has more than 10+ years of NP experience in hospital and outpatient medicine.

Office Staff

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Samantha La

Practice Manager

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Cheryl Engdahl

Administrative Assistant

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Selena Baez

Certified Medical Assistant

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55 Highland Hall, Suite 304, Salem, MA 01970