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  • All Providers

    This is a complete list of all physicians, physician assistants and nurse practitioners that are on staff at Portage Health.

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    • Anderson, Todd, DO

      Dr. Todd Anderson practices family medicine at the University Center in Houghton.

    • Anderson, William, MD

      Dr. William Anderson is board certified in Family Medicine by the American Board of Family Medicine.

    • Andress, Reid, MD

      Dr. Andress is an adult medicine specialist and is board certified in Internal Medicine by the American Board of Internal Medicine.

    • Andress, Tim, CRNA, BSN

      Tim is certified by the Council on Certification of Nurse Anesthetists and has been providing anesthesia care for nearly 25 years.

    • Blake, Cynthia, FNP-BC

      Cynthia works alongside Dr. Kass in the Family Medicine Clinic in Hancock. She has more than 25 years of experience in nursing.

    • Bow, Jennifer, MD

      "I really like hip and knee replacement surgeries. One of the reasons I chose this as a specialty is that you can clearly see the benefit of the surgery. My patients' pain is remarkably improved and the quality of their lives improves notably, that's rewarding as a doctor."

    • Brey, Whitney, PA

      Whitney sees patients at the Portage Health Emergency Department and Express Care clinic.

    • Brueggeman, Jonathan, DPM, FACFAS

      Dr. Brueggeman provides total foot care for broken bones, torn ligaments, bunions, hammer toes, heel spurs, arch pain, arthritis, and fungal infections of the skin and nails.

    • Brueggeman, Megan, PA-C

      Megan Brueggeman, PA-C works alongside the orthopaedic team at Portage Health.

    • Cokely, Kortni, PA-C

      Kortni is a certified physician assistant and is interested in developing community outreach and enjoys volunteering.

    • Dinsmore, Christian, MD

      Dr. Dinsmore is board certified in neurology and sees patients in the Internal Medicine Associates clinic at Portage Health's main campus.

    • DuBois, Louis, CRNA

      A board-certified anesthesiologist providing professional care to clients across the life continuum.

    • Geddes, Lloyd, MD

      Dr. Geddes has been practicing oncology since 1998 after completing his residency and a fellowship program at Washington Cancer Institute in Washington D.C.

    • Haller, Mary, MD

      Dr. Haller is board certified in rheumatology and she sees patients at the main campus Internal Medicine Associates clinic.

    • Heichel, David, MD

      David Heichel, MD, is a board certified Otolaryngologist by the American Academy Otolaryngology/ Head and Neck Surgery.

    • Helman, Allison, DO

      Dr. Helman is board certified in family medicine and she sees patients at the University Center, located adjacent to Michigan Tech's Student Development Complex.

    • Himes, Marc, MD

      Dr. Himes is board certified in internal medicine and nephrology. He is the medical director for the Portage Health Dialysis Center and sees patients in Hancock on a monthly basis.

    • Hines, Mary Beth, DO

      Dr. Hines is the Vice President - Medical Affairs / Chief Medical Officer for Portage Health.

    • Holladay, Theresa, DO, FACOOG, NCMP

      Dr. Holladay is board certified in obstetrics and gynecology. She is a fellow of the American College of Osteopathic OB/GYN and is a credentialed provider of the North America Menopausal Society.

    • Hopper, Katriina, MD

      As a geriatrician, Dr. Hopper is specialized in the care of older adults, particularly those with multiple chronic illnesses.

    • Jaber, Anas, MD

      Dr. Jaber is board certified in pediatrics by the American Board of Pediatrics and has special interest in obesity issues and gastrointestinal problems.

    • Janners, Sigurds, MD

      Dr. Janners has 33 years of experience in internal medicine.

    • Joseph, Bobby, MD, FAAAAIDr. Joseph is board certified in internal medicine and allergy & immunology. He is also a fellow of the American Academy of Allergy and Immunology (FAAAAI), a Fellow of the American College of Allergy and Immunology (FACAI), and a Fellow of the American College of Physicians (FACP).
    • Kass, David, MD

      Dr. Kass is board certified in family medicine and sees patients at the main campus Family Practice Clinic.

    • Kass, Kathryn, PA-C, MS, CCD

      Kathryn sees patients as part of our orthopaedic team.

    • Kenny, Emily, MD

      Dr. Kenny sees patients in the main campus OB/GYN clinic. She also delivers babies in the Family Birthing Center.

    • Khokhar, Abdul Mansoor, MD

      Dr. Khokhar is board certified in internal medicine and brings brings 28 years of experience in healthcare with him. His experience includes surgery, internal medicine and hospital medicine.

    • Kinzel, Terry, MD

      Dr. Kinzel is board certified in geriatric medicine and sees patients in the inpatient unit as a hospitalist.

    • Klemme, Kirk, MD

      Dr. Klemme is board certified in anesthesiology and emergency medicine and serves as the Anesthesia Department clinical director.

    • Kotov, Petio, MD

      Dr. Kotov is board certified in anatomic and clinical pathology.

    • LaBonte, Timothy, MD

      "I like to empower my patients to be their own decision makers. We discuss risks, benefits, options, and alternatives. I want my patients to leave their visit knowing that they were listened to and have the best personalized care. Medicine is always changing. I am dedicated to staying up to date so that my patients have the most current knowledge." 

    • Lang, John MD

      Dr. Lang has nearly two decades of experience in anesthesiology.

    • Lara, Ethelbert, MD

      Dr. Lara is board certified in diagnostic radiology by the American Board of Radiology.

    • Liston, Audrey, DO

      Dr. Liston is board certified in family medicine and sees patients in the University Center, adjacent to Michigan Tech's Student Development Complex.

    • Liston, Wade, DO

      Dr. Wade Liston is board certified in surgery and sees patients in the main campus surgery clinic.

    • Lunseth, Chris, PA-CChris is certified by the National Commission on the Certification of Physician Assistants.
    • Lyle, Paul, MD, PhD

      Dr. Lyle is board certified in diagnostic radiology by the American Board of Radiology.

    • Majkrzak, Raymond, MD

      Dr. Majkrzak is board certified and has more than 20 years of experience in the women's health specialty. 

    • Maki, Mercedes, PA

      Mercedes is a physician assistant and is originally from the Upper Peninsula.

    • McConnon, Thomas, MD

      Dr. McConnon is board certified in family medicine and geriatric medicine by the American Board of Family Medicine. He sees patients at the Lake Linden Clinic on Bootjack Road.

    • McKenzie, Doug, MD

      Dr. McKenzie is board certified in family medicine and sees patients in the main campus Family Practice Clinic.

    • McParlan, Nathan, MD

      Dr. McParlan is board certified in diagnostic radiology by the American Board of Radiology.

    • Meyer, Julie, DO

      Dr. Meyer is board certified in obstetrics and gynecology and sees patients in the main campus OB/GYN clinic. She also delivers babies in the Family Birthing Center.

    • Neufeld, Jonathan, MD

      Dr. Neufeld is board certified in family medicine and sees patients at the emergency room.

    • Nulf, Dawn, MD

      Dr. Nulf is board certified in emergency medicine.

    • Park, PierceDr. Pierce Park is board certified in nephrology and internal medicine.
    • Peer, Christopher, MD

      Christopher Peer, MD specializes in knee and shoulder surgeries and has fellowship-training in Orthopaedic Sports Medicine.

    • Pellegrini, Guy, PA

      Guy is a physician assistant and sees patients in the emergency department and at Express Care.

    • Pietila, John, MD

      Dr. Pietila is a radiologist at Portage Health.

    • Primeau, Jesse, PA

      Works with Drs.Peer and Bow in Orthopaedics and Sports Medicine. Jesse assists in Surgical Procedures, manages postoperative recovery and manages common muskuloskeletal injuries. Jesse is an intergral part of the Orthopaedics team.

    • Sable, Brianne, PA

      Brianne is certified by the National Commission on Certification of Physician Assistants.

    • Salani, Melissa, PA

      Melissa sees patients at the Portage Health Medical Group - Lake Linden Clinic.

    • Salmi, Michael, CRNA, MNA

      Michael is certified by the Council on Certification of Nurse Anesthetists and has provided anesthesia to United State’s Armed Forces in Iraq and Germany.

    • Savina, Valerie NP

      Valerie is certified as a Gerontological Nurse Practitioner by the American Nurses Credentialing Center. 

    • Sears, Tim, MD, FACS

      Dr. Sears is board certified in surgery by the American Board of Surgery.

    • Seguin, Michelle, MD

      Michelle Seguin, MD is board certified by the American Board of Family Medicine.

    • Shifra, Rebecca, FNPRebecca sees patients at the Ontonagon Community Health Center in Ontonagon.
    • Smoot, Carl, DO

      Dr. Smoot is board-certified in internal medicine, pulmonary disease and sleep medicine. He sees patients at the main campus internal medicine clinic and performs sleep studies at the Sleep Disorders Center in Hancock.

    • Sripaipan, Rajanee, MD, FAAP

      Dr. Sripaipan is board certified in pediatrics by the American Board of Pediatrics and sees patients for well-child visits and for a variety of health-related issues including diabetes. She is also a fellow of the American Academy of Pediatrics.

    • Stoll, Sharon, MD

      Dr. Stoll is board certified in family medicine and is also fellowship trained in anti-aging and regenerative medicine.

    • Takala, Gerald, MD

      Dr. Takala is a family medicine physician who sees patients in Ontonagon.

    • Trusock, Bruce, MD

      Dr. Trusock is board certified in family medicine and sports medicine.

    • Vallad-Hix, Colleen, DO

      Dr. Vallad-Hix is a board-certified Fellow of both the American College of Osteopathic Pediatrics and the American Academy of Pediatrics. She has been appointed to the Governor's Action Asthma Council, is a qualified lactation consultant and has considerable experience in behavioral medicine. 

    • Vaughan, Lori, MD

      Dr. Lori Vaughan is board certified in internal medicine by the American Board of Internal Medicine. She sees patients as a hospitalist in our Inpatient Unit.

    • Vertin, Melissa, PA

      Melissa is a physician assistant at the University Center in Houghton.

    • Wasie, Ed, NP

      Emergency Medicine

    • Winkler, Neil, MD

      Dr. Winkler is board certified in ophthalmology.

    • Wright, Kris, CRNAKris Wright has a broad range of experience and more than 20 years of practice in anesthesiology.
    • Yarger, Danny, MD

      Dr. Yarger is a board-certified family physician working in the Portage Health Emergency Department.

  • Featured Physician

    Katriina Hopper, MD  

    As a geriatrician, Dr. Hopper is specialized in the care of older adults, particularly those with multiple chronic illnesses.

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HANCOCK 

500 Campus Drive
Hancock, MI 49930
(906) 483-1000

HOUGHTON 

921 W. Sharon Avenue
Houghton, MI 49931
(906) 483-1777

Express Care 

LAKE LINDEN 

945 Ninth Street
Lake Linden, MI 49945
(906) 483-1030

ONTONAGON 

751 S. Seventh Street
Ontonagon, MI 49953
(906) 884-4120

UNIVERSITY CENTER 

600 MacInnes Drive
Houghton, MI 49931
(906) 483-1860

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