Amanda Hallberg, MD
Dr. Amanda Hallberg is a family physician practicing integrative medicine for the whole family. She received her medical degree from the University of Michigan where she also completed her family medicine residency. She was on the faculty of the University of Michigan Medical School from 2005 until 2014. She is board certified in Family Medicine since 2005 and Integrative and Holistic Medicine (ABIHM) since 2011. In 2017, Dr. Dakroub became certified by the American Board of Integrative Medicine.
Interests include preventative medicine, women's health, mindful parenting, child development, breastfeeding, bio-identical hormones, and transgender medicine.
Dr. Amanda Hallberg is a family physician practicing integrative medicine for the whole family. She received her medical degree from the University of Michigan where she also completed her family medicine residency. She was on the faculty of the University of Michigan Medical School from 2005 until 2014. She is board certified in Family Medicine since 2005 and Integrative and Holistic Medicine (ABIHM) since 2011. In 2017, Dr. Dakroub became certified by the American Board of Integrative Medicine.
Interests include preventative medicine, women's health, mindful parenting, child development, breastfeeding, bio-identical hormones, and transgender medicine.
Sean Zager, MD
Dr. Zager is a board certified, integrative family physician who cares for both adults and children age 5 and older. He completed his undergraduate and medical studies at the University of Michigan as well as a fellowship in integrative medicine through U-M's Department of Family Medicine. Dr. Zager has worked in healthcare settings in India and Venezuela and is fluent in Spanish. More recently, he has practiced holistic family medicine in northern California and New Zealand before rejoining the vibrant integrative community of Ann Arbor.
Patients are welcome to establish care with Dr. Zager for consultation on specific health challenges. He has an expertise in functional/integrative approaches to gastrointestinal conditions, including optimization of gut microbiome health. In addition, Dr. Zager is well-versed in functional/integrative hypothyroid and Hashimoto's care (with a look well beyond a simple TSH check and levothyroxine prescription!) as well as other causes of fatigue such as undiagnosed vitamin/mineral deficiency or adrenal fatigue. Other interests include cardiovascular, autoimmune, and musculoskeletal medicine. Dr. Zager also provides testosterone replacement therapy for men who may benefit.
For many patients and families, Dr. Zager serves as a primary care provider. His aim is to find the most effective blend of conventional and holistic medical modalities for each one of his patients. This is always with a focus on preventive care to keep his patients healthy and support their natural capacity for healing.
Whether Dr. Zager is providing focused consultation or integrative primary care, his patients have the luxury of long, unhurried visits that allow for listening, understanding and connection. Modalities of care include lifestyle guidance (such as nutrition, exercise, sleep and stress management), botanical and nutraceutical therapies, mind-body techniques such as hypnotherapy and guided imagery as well as conventional treatment options. When he is not in the office, Dr. Zager can be found jogging around town, canoeing on the river, or just kicking back with his wife and son.
Dr. Zager is a board certified, integrative family physician who cares for both adults and children age 5 and older. He completed his undergraduate and medical studies at the University of Michigan as well as a fellowship in integrative medicine through U-M's Department of Family Medicine. Dr. Zager has worked in healthcare settings in India and Venezuela and is fluent in Spanish. More recently, he has practiced holistic family medicine in northern California and New Zealand before rejoining the vibrant integrative community of Ann Arbor.
Patients are welcome to establish care with Dr. Zager for consultation on specific health challenges. He has an expertise in functional/integrative approaches to gastrointestinal conditions, including optimization of gut microbiome health. In addition, Dr. Zager is well-versed in functional/integrative hypothyroid and Hashimoto's care (with a look well beyond a simple TSH check and levothyroxine prescription!) as well as other causes of fatigue such as undiagnosed vitamin/mineral deficiency or adrenal fatigue. Other interests include cardiovascular, autoimmune, and musculoskeletal medicine. Dr. Zager also provides testosterone replacement therapy for men who may benefit.
For many patients and families, Dr. Zager serves as a primary care provider. His aim is to find the most effective blend of conventional and holistic medical modalities for each one of his patients. This is always with a focus on preventive care to keep his patients healthy and support their natural capacity for healing.
Whether Dr. Zager is providing focused consultation or integrative primary care, his patients have the luxury of long, unhurried visits that allow for listening, understanding and connection. Modalities of care include lifestyle guidance (such as nutrition, exercise, sleep and stress management), botanical and nutraceutical therapies, mind-body techniques such as hypnotherapy and guided imagery as well as conventional treatment options. When he is not in the office, Dr. Zager can be found jogging around town, canoeing on the river, or just kicking back with his wife and son.
Aaron Heller, DO
Dr. Aaron Heller is an Integrative Family Medicine and Lifestyle medicine physician. He attended The Evergreen State College in Olympia Washington, earning a B.A. focused on Linguistics and Sociology. He later trained as a massage therapist at the New Mexico School of Natural Therapeutics, graduating in 2002. In 2012 Dr. Heller started at Michigan State College of Osteopathic Medicine. His residency was at Botsford Hospital, with a training in Family Medicine and Osteopathic Manipulation. His OMM techniques include Muscle Energy, Stills-Lachman, Osteopathy in the Cranial Field, Fascial Distortion Model, as well as basic postural exercises. Dr. Heller has also done trainings with the Institute of Functional Medicine and Faculty Scholars in Integrative Medicine. He’s been practicing as a Family Physician at IHA since 2019.
Growing up in southern Oregon in the 80’s exposed Dr. Heller to the growing integrations between traditional and alternative medical care. His father, a Chiropractor, challenged the traditional medical practices at the time and is well-versed in science-based research. His mother was a laboratory technician in a hospital for 25 years before becoming a skilled massage therapist who trained in postural analysis and somatic-emotional techniques. Dr. Heller's uncle is a Naturopath, who spent years in clinical medicine before transitioning to compiling and editing research on supplements and evidence (or lack thereof) of their benefits for various conditions.
Dr. Heller has extensive experience with different approaches to healthcare and endeavors to treat his patients holistically. He is comfortable caring for humans of any age. His areas of training include Musculoskeletal Medicine, Functional Medicine, Primary Care and Lifestyle Medicine. Though he’ll use pharmaceuticals and supplements when needed, Dr. Heller's main goal is to help people make healthy life changes without ending up unnecessarily medicated. Dr. Heller knows the value of healthy skepticism & transparency and always relies on evidence-based scientific claims.
When not at work, Dr. Heller swims, hikes and bikes with his wife and two daughters, and sings along to musicals.
Dr. Aaron Heller is an Integrative Family Medicine and Lifestyle medicine physician. He attended The Evergreen State College in Olympia Washington, earning a B.A. focused on Linguistics and Sociology. He later trained as a massage therapist at the New Mexico School of Natural Therapeutics, graduating in 2002. In 2012 Dr. Heller started at Michigan State College of Osteopathic Medicine. His residency was at Botsford Hospital, with a training in Family Medicine and Osteopathic Manipulation. His OMM techniques include Muscle Energy, Stills-Lachman, Osteopathy in the Cranial Field, Fascial Distortion Model, as well as basic postural exercises. Dr. Heller has also done trainings with the Institute of Functional Medicine and Faculty Scholars in Integrative Medicine. He’s been practicing as a Family Physician at IHA since 2019.
Growing up in southern Oregon in the 80’s exposed Dr. Heller to the growing integrations between traditional and alternative medical care. His father, a Chiropractor, challenged the traditional medical practices at the time and is well-versed in science-based research. His mother was a laboratory technician in a hospital for 25 years before becoming a skilled massage therapist who trained in postural analysis and somatic-emotional techniques. Dr. Heller's uncle is a Naturopath, who spent years in clinical medicine before transitioning to compiling and editing research on supplements and evidence (or lack thereof) of their benefits for various conditions.
Dr. Heller has extensive experience with different approaches to healthcare and endeavors to treat his patients holistically. He is comfortable caring for humans of any age. His areas of training include Musculoskeletal Medicine, Functional Medicine, Primary Care and Lifestyle Medicine. Though he’ll use pharmaceuticals and supplements when needed, Dr. Heller's main goal is to help people make healthy life changes without ending up unnecessarily medicated. Dr. Heller knows the value of healthy skepticism & transparency and always relies on evidence-based scientific claims.
When not at work, Dr. Heller swims, hikes and bikes with his wife and two daughters, and sings along to musicals.
Paula Esteva Slack, DNP
Dr Nurse Paula (Pow-lah) is a board certified Doctor of Nursing Practice in Adult Gerontology. She/they practices Holistic and Integrative Medicine out of her practice in Ann Arbor Michigan Two Worlds Wellness currently located at Integrative Healthcare Providers. She has studied 12 branches of medicine including Allopathy, Osteopathy, Homeopathy, Integrative Medicine, Manual Medicine, Indigenous Medicine, Plant Medicine, Traditional Chinese Medicine, Five Elements Theory and others. She is passionate about holistic care and seeing the interconnectedness of physical, emotional and spiritual dis-ease in bodies. She specializes in Hormones, Women's Health and Weight Management. She loves musculoskeletal work and developed her own technique of healing touch called the Esteva Realignment Technique (ERT) using her 20 years of work with physical, manual and massage therapists, as well training under a Doctor of Osteopathy. She has also trained as a Cacao Facilitator with Cuatro Manos y Cinco Volcanes and is currently a student of One Who Catches Lightening and Keeper of Thunderstone at the Path of Ix.
Doctora Enfermera Paula es una enferma practicante con doctorada. Empezó su carera en el VA a los 18 anos y fue a completar su licenciatura de enfermería. Trabajo en unidades cardiacos y unidades intensivas en varios hospitales en Michigan. Luego fue a completar su Doctorada in Adultos y Gerontología en la Universidad de Michigan Flint. Durante de este tiempo enseno clases de enfermería en varias unidades incluyendo Psiquiátrica, Cardiología, Cirugía cardíaca, Ortopedia, Trauma, Trasplanté, Neurología, Urología, Oncología y Neumología.
Paula nació en Ann Arbor y vivo en la Cuidad de México con su familia en los veranos. Habla Ingles y español. Esta casada con dos niños chichitos y dos perros. Le gusta cantar, la música, deportes, la naturaleza, artesanía y comida deliciosa.
Dr Nurse Paula (Pow-lah) is a board certified Doctor of Nursing Practice in Adult Gerontology. She/they practices Holistic and Integrative Medicine out of her practice in Ann Arbor Michigan Two Worlds Wellness currently located at Integrative Healthcare Providers. She has studied 12 branches of medicine including Allopathy, Osteopathy, Homeopathy, Integrative Medicine, Manual Medicine, Indigenous Medicine, Plant Medicine, Traditional Chinese Medicine, Five Elements Theory and others. She is passionate about holistic care and seeing the interconnectedness of physical, emotional and spiritual dis-ease in bodies. She specializes in Hormones, Women's Health and Weight Management. She loves musculoskeletal work and developed her own technique of healing touch called the Esteva Realignment Technique (ERT) using her 20 years of work with physical, manual and massage therapists, as well training under a Doctor of Osteopathy. She has also trained as a Cacao Facilitator with Cuatro Manos y Cinco Volcanes and is currently a student of One Who Catches Lightening and Keeper of Thunderstone at the Path of Ix.
Doctora Enfermera Paula es una enferma practicante con doctorada. Empezó su carera en el VA a los 18 anos y fue a completar su licenciatura de enfermería. Trabajo en unidades cardiacos y unidades intensivas en varios hospitales en Michigan. Luego fue a completar su Doctorada in Adultos y Gerontología en la Universidad de Michigan Flint. Durante de este tiempo enseno clases de enfermería en varias unidades incluyendo Psiquiátrica, Cardiología, Cirugía cardíaca, Ortopedia, Trauma, Trasplanté, Neurología, Urología, Oncología y Neumología.
Paula nació en Ann Arbor y vivo en la Cuidad de México con su familia en los veranos. Habla Ingles y español. Esta casada con dos niños chichitos y dos perros. Le gusta cantar, la música, deportes, la naturaleza, artesanía y comida deliciosa.
Brenna Reichman, NP
Brenna Reichman (she/her) has been a nurse since 2009 and a primary care nurse practitioner since 2017. Recognizing the deep impact of mental health on overall well-being, Brenna pursued additional psychiatric training and is now certified as a Psychiatric and Mental Health Nurse Practitioner.
Her background includes experience at Planned Parenthood, the San Francisco V.A., and the Michigan women’s prison. Since 2020, she has been a member of Integrative Healthcare Providers. Brenna’s foundation in primary care enhances her holistic approach, allowing her to appreciate the complex relationship between physical and mental health.
Brenna provides psychiatric medication management and is passionate about supporting individuals with self-care, which may include realistic goal-setting, establishing routines, and other lifestyle interventions. She has a particular interest in working with the LGBTQ community and is known for her empathetic listening and collaborative approach to care decisions. Brenna works with clients experiencing mood disorders, anxiety, ADHD, chronic suicidal thoughts, substance use disorders, sleep concerns, and many more mental health conditions.
Brenna is comfortable and skilled in discussing topics related to sexuality, sexual orientation, and gender identity, and strives to create a welcoming and affirming environment for all patients.
Brenna is an Ann Arbor native, the mother of one kiddo, and she enjoys logic puzzles, Pilates, and being outside
Brenna Reichman (she/her) has been a nurse since 2009 and a primary care nurse practitioner since 2017. Recognizing the deep impact of mental health on overall well-being, Brenna pursued additional psychiatric training and is now certified as a Psychiatric and Mental Health Nurse Practitioner.
Her background includes experience at Planned Parenthood, the San Francisco V.A., and the Michigan women’s prison. Since 2020, she has been a member of Integrative Healthcare Providers. Brenna’s foundation in primary care enhances her holistic approach, allowing her to appreciate the complex relationship between physical and mental health.
Brenna provides psychiatric medication management and is passionate about supporting individuals with self-care, which may include realistic goal-setting, establishing routines, and other lifestyle interventions. She has a particular interest in working with the LGBTQ community and is known for her empathetic listening and collaborative approach to care decisions. Brenna works with clients experiencing mood disorders, anxiety, ADHD, chronic suicidal thoughts, substance use disorders, sleep concerns, and many more mental health conditions.
Brenna is comfortable and skilled in discussing topics related to sexuality, sexual orientation, and gender identity, and strives to create a welcoming and affirming environment for all patients.
Brenna is an Ann Arbor native, the mother of one kiddo, and she enjoys logic puzzles, Pilates, and being outside
Abby Humphrey, Dipl. Ac.
Abby Humphrey came to acupuncture, as many do, through pain. An injury incurred in her dance career led her to an acupuncturist in Middletown, CT, where she was attending Wesleyan University. This experience inspired her to turn to Chinese Medicine as part of her bachelor’s degree work in East Asian Studies. Further explorations in complementary medicine brought her to the Swedish Institute of Massage Therapy in New York City, where she received a Certificate in Massage Therapy, and to the Traditional Acupuncture Institute (now the TAI Sophia Institute) in Columbia, MD. where she got her Masters in Acupuncture and Certification in Chinese Herbal Medicine. After moving to Ann Arbor, she co-founded the Center for Sacred Living, a collaborative healing space for practitioners of various modalities. She has expertise in acupuncture techniques for a broad range of health problems and recently received training in cosmetic acupuncture. Abby has 3 daughters. She enjoys performing and teaching belly dancing.
To learn even more about Abby and her practice, visit her website
Abby Humphrey came to acupuncture, as many do, through pain. An injury incurred in her dance career led her to an acupuncturist in Middletown, CT, where she was attending Wesleyan University. This experience inspired her to turn to Chinese Medicine as part of her bachelor’s degree work in East Asian Studies. Further explorations in complementary medicine brought her to the Swedish Institute of Massage Therapy in New York City, where she received a Certificate in Massage Therapy, and to the Traditional Acupuncture Institute (now the TAI Sophia Institute) in Columbia, MD. where she got her Masters in Acupuncture and Certification in Chinese Herbal Medicine. After moving to Ann Arbor, she co-founded the Center for Sacred Living, a collaborative healing space for practitioners of various modalities. She has expertise in acupuncture techniques for a broad range of health problems and recently received training in cosmetic acupuncture. Abby has 3 daughters. She enjoys performing and teaching belly dancing.
To learn even more about Abby and her practice, visit her website
Robert Piper, LMSW - In Memoriam
We are deeply saddened by the unexpected loss of Robert Piper after a brief illness on March 29, 2026. We feel extremely lucky to have had him as a colleague and friend, and to have experienced his unwavering kindness, empathy and calm. Robert was dedicated to his work and believed in the importance of access to mental healthcare for all. We extend our condolences to his family, friends, clients and community.
We are deeply saddened by the unexpected loss of Robert Piper after a brief illness on March 29, 2026. We feel extremely lucky to have had him as a colleague and friend, and to have experienced his unwavering kindness, empathy and calm. Robert was dedicated to his work and believed in the importance of access to mental healthcare for all. We extend our condolences to his family, friends, clients and community.
Amy Saunders, MD MPH
As of 2024 Dr. Saunders has retired!
Dr. Saunders is a board certified internal medicine physician. She received her MD degree and completed her Internal Medicine residency at Ohio State University, followed by a research fellowship in General Internal Medicine at Duke University. She earned a Masters in Public Health from University of North Carolina at the same time. Since 1992 she has lived in Ann Arbor and was an assistant professor of Internal Medicine at University of Michigan for 20 years. She was the co-facilitator for the Faculty Scholars Program in Integrative Medicine and through this program developed rewarding collaborations with many excellent providers of complementary and alternative approaches.
Dr. Saunders opened IHCP in 2014 in order to offer high quality conventional medical care, diagnostics, and disease prevention that combines that with broad understanding of integrative nutrition, energy work, manual therapy, and non-pharmacologic alternatives for management of chronic conditions. She is married, has 2 daughters and an adorable grandson. In her free time Dr. Saunders enjoys traveling, music, and gardening. Dr. Saunders retired in May, 2024 to pursue her hobbies, travel, and spend more time with family.
Dr. Saunders is a board certified internal medicine physician. She received her MD degree and completed her Internal Medicine residency at Ohio State University, followed by a research fellowship in General Internal Medicine at Duke University. She earned a Masters in Public Health from University of North Carolina at the same time. Since 1992 she has lived in Ann Arbor and was an assistant professor of Internal Medicine at University of Michigan for 20 years. She was the co-facilitator for the Faculty Scholars Program in Integrative Medicine and through this program developed rewarding collaborations with many excellent providers of complementary and alternative approaches.
Dr. Saunders opened IHCP in 2014 in order to offer high quality conventional medical care, diagnostics, and disease prevention that combines that with broad understanding of integrative nutrition, energy work, manual therapy, and non-pharmacologic alternatives for management of chronic conditions. She is married, has 2 daughters and an adorable grandson. In her free time Dr. Saunders enjoys traveling, music, and gardening. Dr. Saunders retired in May, 2024 to pursue her hobbies, travel, and spend more time with family.