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The Staff of Northeast Pain Management

Northeast Pain Management is a team approach. We have four doctors, four Nurse Practitioners, two physical therapists and a PhD neuropsychologist.

Kathleen O’Callahan, NP-C

Kathleen O’Callahan NP-C joined Northeast Pain Management in March,2019. She received a Master’s Degree, Adult Nurse Practitioner Track at the University of Massachusetts in 2004. She possesses a fifteen-year robust career history in meeting with patients to identify health issues, develop treatment plans and alleviate their concerns. She has built a solid track record of success in the areas of Primary Care, Urgent Care, health and illness management and treatment planning. She holds dual certificates from the American Academy of Nurse Practitioners and the American Nurse Credentialing Center. She is married and has four children. Kathleen loves music, dancing and being outdoors.

Giselle Robertson, FNP

Giselle Robertson, FNP

Giselle Robertson, NP joined Northeast Pain Management in 2017. She received Master’s degree in nursing from Husson University in 2008, and has AANP certification. She has 25 years of experience in Nursing altogether. Prior to joining the staff of Northeast Pain Management, she practiced as a Primary Care Provider in Family Medicine for 9 years serving the hard-working people of Downeast Maine. As a PCP, she treated many different types of acute and chronic pain, which inspired her to seek out alternatives to dependency on medications for her patients. Since joining Northeast Pain Management, she has seen many amazing success stories of reduced pain and improved function, that now she wants to encourage all patients who have not tried interventional pain medicine to experience what it can do to improve their lives.

Dr. Ben Zolper

Dr. Ben Zolper - Pain Pain ManagementFounder & Medical Director of NPM
Interventional Pain Management
Pain Medicine

Dr. Ben Zolper is the founder and medical director of Northeast Pain Management (NPM). He has lived in Bangor, Maine practicing Interventional Pain Management and minimally invasive spine care since 1993. He is a Diplomat of the American Board of Pain Medicine, a Diplomat of the American Board of Interventional Pain Physicians, a Diplomat of the American Board of Anesthesiology and a Fellow of Interventional Pain Practice as certified by the World Institute of Pain.

Dr. Zolper’s clinical interests include the whole spectrum of interventional pain treatments, as well as endoscopic discectomy, kyphoplasty, and ultrasound guided injection therapies such as platelet rich plasma (PRP). Dr. Zolper has passed the registration examination for musculoskeletal ultrasound with ARDMS.

Dr. Zolper’s wife, Sharon, is a teacher at Hampden Academy. Dr. Zolper has participated in many community activities including coaching AAU Basketball, serving as president of the Bangor Y Board of Directors and attending All Souls Church in Bangor. Dr. Zolper was voted “Best Pain Doctor” in Maine by his peers in a 2013 survey of doctors by Down East Magazine.

Download Dr. Zolper’s CV

Dr. Peter Thompson

Dr. Peter ThompsonAnesthesiology
Pain Management

Dr. Thompson joined NPM in 2006, after having practiced for several years in New Hampshire. He is a graduate of the University of Vermont College of Medicine, and completed his residency in anesthesiology at the Medical Center Hospital of Vermont in Burlington.

Dr. Thompson is board certified by the American Board of Anesthesiology. He is also certified in pain management by the American Society of Interventional Pain Physicians, and is a fellow of the World Institute of Pain.

Dr. Thompson is a member of the American Society of Regional Anesthesia, The International Spine Injection Society and The American Society of Interventional Pain Physicians as well as numerous other organizations. He is married with two children.

Dr. Frederick Littlejohn

Dr. Frederick LittlejohnMinimally Invasive Spine Care
Interventional Pain Management

Dr. Littlejohn joined NPM in 2011 and is board certified in Pain Medicine through the American Board of Anesthesiology. He is an expert in minimally invasive spine care and interventional pain management.

Dr. Littlejohn completed his residency training at Columbia and pain fellowship at the University of California-Davis Medical Center. He is a member of the International Spine Intervention Society. He worked in Maryland before moving to Bangor, Maine.

Dr. Littlejohn’s clinical interests include management of muscle, joint, and spine pain using injection therapies guided by fluoroscopy and ultrasound. For patients suffering from compression fractures of the spine, Dr. Littlejohn offers the cutting-edge kyphoplasty procedure. Dr. Littlejohn seeks to provide his patients the personal attention and individualized care they deserve.

Dr. Jonathan Borkum

Dr. Jonathan BorkumPsychologist

Dr. Borkum is a licensed psychologist with twenty years of experience in the treatment of pain and headaches. He earned a Ph.D. in Psychology from the University of Maine, where he continues as a faculty associate. He has also taught the unit on pain in a postdoctoral program at the Massachusetts School of Professional Psychology in Boston. His peer-reviewed book on pain and headaches (Chronic Headaches: Biology, Psychology, and Behavioral Treatment) has been published by Taylor and Francis and has been added to academic libraries throughout the world.

He also reviews manuscripts submitted to the journals Headache and Cephalalgia, and the Clinical Journal of Pain, has contributed chapters to the textbooks Refractory Migraine: Mechanisms and Management, Handbook of Complex Occupational Disability Claims, Head, Face, and Neck Pain: Science, Evaluation, and Management, and the Handbook of Clinical Psychopharmacology for Psychologists and has written journal articles on the biology and psychology of chronic pain.

Click here to read a Boston Globe article about Dr. Borkum’s research.

Joyce Niles, NP

Joyce Niles, NPJoyce Niles, NP joined NPM in 2008 after earning her NP Degree at Husson College in Bangor, Maine. She has 17 years of experience working as a Surgical/Orthopedic Nurse at St. Joseph’s Hospital. This experience of working with post operative patients with multiple pain issues lead her to seek a career in the field of pain management. She is an associate member of the American Society of Interventional Pain Physicians.

Sandy Britton, NP

Sandy Britton, NPSandy Britton, NP joined NPM in 2014. She received a Master of Science in Nursing degree at Husson College, Bangor in 2007, and completed a Certificate of Advanced Study in Nursing at The University of Maine, Orono in 2012. She holds dual certifications from the American Nurses Credentialing Center and the American Association of Nurse Practitioners. Over a span of 23 years she worked in various Maine hospitals as a Nursing Supervisor, ED, ICU and Resource nurse. Witnessing pain in the acute care patient population motivated her interest in interventional pain management.

Dr. Eric Wise

Dr. Eric Wise - Pain Management
Interventional Pain Management
Pain Medicine

Dr. Wise joined NPM in 2017. He is an expert in minimally invasive spine care and interventional pain management and a board certified Diplomat of the American Board of Anesthesiology in both the practice of Anesthesiology and the Subspecialty of Pain Medicine. He is a graduate of the University of Pittsburgh School of Medicine and completed his residency training in anesthesiology at the University of Pittsburgh Medical Center. He went on to complete a specialized Interventional Pain Medicine Fellowship at the West Penn Allegheny Health Network in Pittsburgh.

Dr. Wise’s clinical interests include ultrasound and fluoroscopy guided injection therapies for a wide array of painful muscle, joint, and spine conditions. He also has a unique interest in spinal cord stimulation therapy that can be used to treat a variety of painful conditions including failed back surgery syndrome and complex regional pain syndrome. Dr. Wise focuses on developing individualized treatment programs for each of his patients.

Dr. Wise is an active member of the American Society for Regional Anesthesia and Pain Medicine, the North American Neuromodulation Society, and several other medical organizations. Dr. Wise has settled in Bangor, where he lives with his girlfriend, Tori, who is a nurse at EMMC. He enjoys exploring the outdoors with his Golden Retriever, Levi, and is an avid fisherman and backpacker.

Download Dr. Wise’s CV

Northeast Pain Management

1365 Broadway, Bangor, ME 04401
Ph: (207) 942-6226 | Fax: (207) 992-2756


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(207) 942-6226

1365 Broadway
Bangor, ME 04401

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