Our Providers
Please find all of our providers listed below. If you are unable to find what you need, please don’t hesitate to contact one of our centers and ask for a Patient Service Representative.

John Anderson, MD
Pediatrician
Dr. Anderson joined Lamprey Health Care in 2020 as a pediatrician. He completed his Bachelor of Science and his Doctor of Medicine at West Virginia...

Alicia Aymat, APRN, FNP-C
Family Nurse Practitioner
Alicia Aymat earned her Master of Science in Nursing from Regis College and completed her undergraduate degree at Salem State University.

Lingyan Chen, MS, APRN, FNP-C
Family Nurse Practitioner
Ms. Chen joined Lamprey Health Care in 2019 as part of our Nurse Practitioner Fellowship program. She graduated from the University of...

David Deifik, MD FACOG – OB/GYN
Obstetrician/Gynecologist
Dr. Deifik joined Lamprey Health Care as a part-time OB/GYN Physician in 2015. He graduated from Baylor College of Medicine in Houston, TX in...

Stephanie Hallenbeck, DNP, APRN, FNP-BC
Family Nurse Practitioner
Stephanie joined Lamprey Health Care in 2022 in the Family Nurse Practitioner Fellowship. She received her Bachelor of Science in Nursing at....

Samborn Hoey
Family Nurse Practitioner
Alicia Aymat earned her Master of Science in Nursing from Regis College and completed her undergraduate degree at Salem State University.

Radhika L. Katru, MD
Family Physician
Dr. Katru earned her MBBS from Andhra Medical College in India and completed her residency in Internal Medicine at New York Medical College...

Kaleigh McA’Nulty, PA-C
Primary Care
Kaleigh McA’Nulty joined Lamprey Health Care as a Physician Assistant in 2015. In December 2023, she was appointed Medical Director for the Nashua Center...

Vasuki Nagaraj, MD, M.P.H., FAAFP
Family Physician (Per Diem)
Dr. Nagaraj joined Lamprey Health Care in 2008 and served as the Chief Medical Officer until late 2023. He received his M.D. from J.J.M. Medical...

Sajal Nirouja
Family Nurse Practitioner
Alicia Aymat earned her Master of Science in Nursing from Regis College and completed her undergraduate degree at Salem State University.

Nelly Padua, APRN
Family Nurse Practitioner
Nelly Padua joined Lamprey Health Care in 2025. She earned her Doctor of Nursing Practice and master’s degree in nursing from the University...

Madison Russo, PA
Physician Assistant
Madison Russo earned her Bachelor of Science in Biotechnology from the University of New Hampshire and completed the Physician Assistant Program...

Maureen Sunnerberg, MSN, APRN, FNP
Physician Family Nurse Practitioner (Per Diem)
Ms. Sunnerberg joined Lamprey Health Care in 2023 as a Family Nurse Practitioner. She received a Bachelor of Science in Nursing...

Janna Thompson, PMHS, CPNP
Pediatric Nurse Practitioner
Janna Thompson completed her Associate of Science degree in Nursing at NH Technical Institute, her Bachelor of Science in Nursing at Franklin Pierce...

Sylvia Tufano, MD, FACOG, C-EFM
OB/GYN (Per Diem)
Sylvia Tufano academic career began with Cornell University where she received her Bachelor of Science in Biology. She continued studies...

John Anderson, MD
Pediatrician
Dr. Anderson joined Lamprey Health Care in 2020 as a pediatrician. He completed his Bachelor of Science and his Doctor of Medicine at West Virginia...

Katrin Bergeron, MD
Family Physician
Dr. Bergeron joined Lamprey Health Care in 2007 as a Board Certified Family Physician. She is a graduate of Brown Medical School and completed her...

Mary Braun, MD
Internal Medicine Physician
Dr. Braun joined Lamprey Health Care in 2017 as a Board Certified Internal Medicine doctor. She also has a specialty level qualification in Hospice...

Casey C. Brighton, DNP, APRN, FNP-C
Family Nurse Practitioner
Ms. Brighton joined Lamprey Health Care in 2023 as a Family Nurse Practitioner. She received a Bachelor of Science in Psychology at the...

Heidi Crusberg, MD
Family Physician
Dr. Crusberg joined Lamprey Health Care in 1998 as a Board Certified Family Physician. After graduating from Vanderbilt University, she attended The John Hopkins...

Ana Goubert, MD
Family Physician (Per Diem)
Dr. Goubert joined Lamprey Health Care in 2013 as a Family Physician. She completed her undergraduate and graduate degrees from Boston University...

Monica Lord, MSN, APRN, FNP-C
Family Nurse Practitioner
Monica Lord joined Lamprey Health Care in 2023 as a Family Nurse Practitioner. She received her Master of Science Family Nurse Practitioner...

Susan Nichols, PA-C, CAQ Psychiatry
Physician Assistant (Per Diem)
Physician Assistant (Retired, Per Diem) Ms. Nichols joined Lamprey Health Care in 2006 as a Physician Assistant. She received her...

Jacob Smith, PA-C
Physician Assistant
Jacob Smith earned his Bachelor of Science in Health Science from Lasell University and completed his Master of Physician Assistant Studies...

Maureen Sunnerberg, MSN, APRN, FNP
Physician Family Nurse Practitioner (Per Diem)
Ms. Sunnerberg joined Lamprey Health Care in 2023 as a Family Nurse Practitioner. She received a Bachelor of Science in Nursing...

Boyd Tamanaha, MD
Family Physician
Dr. Tamanaha joined Lamprey Health Care in 2022 as a Family Physician. He received his medical degree from Ross University School of Medicine in 2016...

Saira Tekelenburg, MD
Family Physician
Dr. Tekelenburg joined Lamprey Health Care in 2019 as a Family Physician. She received her medical degree from the University of Toledo...

Shealyn Testa, MSN, APRN, FNP-C
Family Nurse Practitioner Fellow
Shealyn Testa joined Lamprey Health Care’s Family Nurse Practitioner Fellowship in 2025. She earned her Bachelor of Science in Biology...

Gabrielle Tracy, MSN, APRN, FNP-C
Family Nurse Practitioner Fellow
Gabrielle joined Lamprey Health Care in 2025. She earned her Bachelor of Science in Nursing from Quinnipiac University and her Master...

Sarah Wood, MS, APRN
Family Nurse Practitioner
Sarah Wood joined Lamprey Health Care in 2022 as a Family Nurse Practitioner. She completed her Master of Science Family Nurse Practitioner...

Allison Bakewell,
APRN, FNP-C
Family Nurse Practitioner Fellow
Allison is a Family Nurse Practitioner and received her Master’s Degree from Georgetown University in Washington, D.C. She completed...

Kate Bonafede, MD
Family Physician / Chief Medical Officer
Dr. Bonafede joined Lamprey Health Care in 2011 as a Board-Certified Physician, after completing her family practice residency at Greater Lawrence...

Celine Boutin, MSN, APRN, FNP-BC
Family Nurse Practitioner Fellow
Celine Boutin joined Lamprey Health Care’s Family Nurse Practitioner Fellowship in 2025. She earned her Bachelor of Science in Nursing...

Sierra Dube, PA-C
Physician Assistant
Sierra Dube joined Lamprey Health Care in 2024. She is a Physician Assistant. She received her undergraduate degree in Premedical...

Ana Goubert, MD
Family Physician (Per Diem)
Dr. Goubert joined Lamprey Health Care in 2013 as a Family Physician. She completed her undergraduate and graduate degrees from Boston University...

Mary Ann Johnson, ARNP
Family Nurse Practitioner (Per Diem)
Ms. Johnson joined Lamprey Health Care as a nurse practitioner in 1989. She is a graduate of the University of Massachusetts and the Family...

Jameson Lassor, MSN, APRN, FNP-BC, CNL
Family Nurse Practitioner
Mr. Lassor joined Lamprey Health Care in 2019 as a Board Certified Family Nurse Practitioner. He received an undergraduate degree in Nutritional Sciences...

Keegan Matchett, MSN, APRN, FNP-C
Family Nurse Practitioner Fellow
Keegan Matchett joined Lamprey Health Care’s Family Nurse Practitioner Fellowship in 2025. She earned her Master of Science

Mary Orfao, APRN
Family Nurse Practitioner
Mary Orfao joined Lamprey Health Care in 2022 in the Family Nurse Practitioner Fellowship Program. She is a Family Nurse Practitioner and received...

Colleen Packard, DNP, MPH, FNP-C
Family Nurse Practitioner Fellow
Dr. Packard joined Lamprey Health Care’s Family Nurse Practitioner Fellowship in 2025. She earned her Master of Public Health in Community-

Karen Prazar, MSN, APRN, FNP-C
Family Nurse Practitioner
Clinical Director, Nurse Practitioner Fellowship Program
Karen joined Lamprey Health Care in 2018 as a Family Nurse Practitioner. She graduated from Brown University...

Rebecca Rouse, MD
Family Physician
Dr. Rouse joined Lamprey Health Care in 2024 as a Board Certified Family Physician. She graduated from Boston College with a Bachelor of Science in Biology...

Kathryn Ruvolo, DO
Family Physician
Dr. Ruvolo joined Lamprey Health Care in 2021 as a Board Certified Family Physician. She graduated from the New York Institute of Technology College of Osteopathic Medicine...

Maureen Sunnerberg, MSN, APRN, FNP
Physician Family Nurse Practitioner (Per Diem)
Ms. Sunnerberg joined Lamprey Health Care in 2023 as a Family Nurse Practitioner. She received a Bachelor of Science in Nursing...

Janna Thompson, PMHS, CPNP
Pediatric Nurse Practitioner
Janna Thompson completed her Associate of Science degree in Nursing at NH Technical Institute, her Bachelor of Science in Nursing at Franklin Pierce...

Tabinda Abro, MA
Raymond Center
Tabinda Abro earned her Master of Arts in Mental Health Counseling and Wellness from New York University. She is passionate about supporting individuals...

Jesse Burdwood, MSW, LICSW
Raymond Center
Jesse joined Lamprey Health Care in 2024 as a Licensed Social Worker. They received their Masters of Social Work and Bachelor of Social Work from the...

Renato Silva da Fonseca
Nashua Center
Renato Silva da Fonseca joined Lamprey Health Care in 2022. He earned his master’s degree in Philosophy and Art at UFMG...

Astrid Findon-Henry, MS, LCMHC, MLADC
Nashua Center
Astrid joined Lamprey Health Care in 2019 as a Licensed Clinical Mental Health Counselor and Master’s Licensed Alcohol and Drug Counselor...

Hannah V. Hastings, MSW, LICSW
Newmarket Center
Hannah V. Hastings joined Lamprey Health Care in 2025 as a Licensed Clinical Social Worker. She received her Bachelor of Arts from Smith College...

Kaleigh McA’Nulty, PA-C
Nashua Center
Kaleigh McA’Nulty joined Lamprey Health Care as a Physician Assistant in 2015. In December 2023, she was appointed Medical Director for the Nashua Center...

Corinne McCafferty, MSW, LICSW
Newmarket Center
Corinne McCafferty joined Lamprey Health Care as a Licensed Clinical Social Worker in 2024. She obtained her Bachelor of Science in Sociology/Human Services...

Tricia Mendoza, Psych MD
All Centers
Bio coming soon!

Julie Mills, MSW, LICSW
Raymond Center
Julie Mills joined Lamprey Health Care in 2020 as a Masters of Social work and Licensed Clinical Social Worker. She received her master’s from the University of New England..

Brooke Palladino, PMHNP-BC, APRN
All Centers
Brooke Palladino joined Lamprey Health Care in 2025. She earned her Bachelor of Science in Nursing from Plymouth State University and her Master of Science...

Janna Thompson, PMHS, CPNP
Nashua/Raymond Center
Janna Thompson completed her Associate of Science degree in Nursing at NH Technical Institute, her Bachelor of Science in Nursing at Franklin Pierce...
Our News & Blog



The Heart of Lamprey Health Care Video
This video is a powerful reflection of our mission in action. Through the dedication of

Get Up and Glow! December
The connection of movement to mental health Presented by: Sarah Slocum, MD Special Guest: Ryan

The Heart of Lamprey Health Care Video
This video is a powerful reflection of our mission in action. Through the dedication of

Get Up and Glow! December
The connection of movement to mental health Presented by: Sarah Slocum, MD Special Guest: Ryan