Our Staff

Your Personal Experts in ENT Care

Allied ENT Specialty Center is made up of a team or professionals dedicated to providing the highest quality healthcare to you and your family.  With ear, nose and throat problems, you need an otolaryngologist who is experienced, understanding and supportive. Our providers are all Board Certified in their field.  Our staff works together as a team to be sure we are responsive to your needs, you informed about your health issues and you are able to choose the best treatment for you. We look forward to getting to know you and your family.

All physicians are Board Certified in Otolaryngology.


Maher Abu-Hamden, M.D

Dr. Abu-Hamdan, received his undergraduate at the University of Michigan.  He completed his medical school and residency training ay Wayne State University in Detriot, MI.  Dr. Abu-Hamdan is a general ENT and specializes in endocrine surgeries.

Education - Undergraduate

  • University of Michigan, Ann Arbor, MI

Education - Medical Education

  • Wayne State University, Detroit, MI

Education - Residency/Other

  • General Surgery Internship: Detroit Medical Center, Detroit, MI
  • Otolaryngology Residency: Wayne State University, School of Medicine, Detroit, MI

Location

  • Allied ENT Specialty Center (South Bend)

Jon B. Chadwell, M.D.

Upon receiving his undergraduate degree at Ohio University, Dr. Chadwell went to medical school at the University of Cincinnati College of Medicine. He completed his residency at University Hospital in Cincinnati. In addition, Dr. Chadwell completed a Fellowship in Facial Plastic and Reconstructive Surgery.  Dr. Chadwell is Board certified in both Otolaryngology and Facial Plastic & Reconstructive Surgery

Education - Undergraduate

  • Ohio University, Athens, OH

Education - Medical Education

  • University of Cincinnati College of Medicine, Cincinnati, OH

Education - Residency/Other

  • The University Hospital, Cincinnati, OH

Location

  • Chadwell Facial Plastic Surgery (South Bend)
  • Allied ENT Specialty Center (South Bend)

Douglas Liepert, M.D. FRCS(C)

A graduate of Queens University in Kingston, Ontario, Dr. Liepert received his professional degree at the Queens University Faculty of Health Sciences. He served his fellowship at the University of Alberta Hospitals in Edmonton, Alberta and attended the School of Sleep Medicine at Stanford.  Dr. Liepert specializes in Sleep Medicine and Otorhinolaryngology - Ears, Nose, Throat and he is the only ENT Surgeon that is Board Certified in Sleep Medicine and Otolaryngology in this area.

Education - Undergraduate

  • Queens University Kingston, Ontario

Education - Medical Education

  • Queens University Faculty of Health Sciences

Education - Residency/Other

  • St. Michael’s Hospital, Toronto, Ontario Fellowship:  University of Alberta Hospitals Edmonton, Alberta

Location

  • Allied ENT Specialty Center (South Bend)
  • Michiana Sleep Solutions (South Bend)

Stephen T. McTigue M.D.

A graduate of the University of Notre Dame, Dr. McTigue attended Indiana University School of Medicine in Indianapolis. He completed his residency in otorhinolaryngology at the Health Sciences Center in Portland, Oregon.

Education - Undergraduate

  • University of Notre Dame, Notre Dame, IN

Education - Medical Education

  • Indiana University School of Medicine, Indianapolis, IN

Education - Residency/Other

  • Health Sciences Center, Portland, OR

Location

  • Allied ENT Specialty Center (South Bend)

Michael Pfeiffer M.D.

Doctor Pfeiffer comes from the great white north of Alberta, Canada. College volleyball brought him to the United States where he attended Brigham Young University in Provo, Utah. He graduated cum laude with a B.S. in Biochemistry. Following BYU, Dr. Pfeiffer fulfilled his childhood dreams by attending Des Moines University, graduating with a Doctorate of Osteopathic Medicine. His education took him further east, where he completed his residency in Otolaryngology, Head and Neck Surgery at Philadelphia College of Osteopathic Medicine. While in Philadelphia he continued to foster his quest for learning, focus on patient care, and develop his leadership abilities as a chief resident his final year.

Dr. Pfeiffer looks forward to his move to the South Bend area. His hope is to contribute to the community by continuing to provide personalized and innovative patient care in a friendly setting. As a general otolaryngologist, he treats a broad range of ear, nose and throat disorders. More specifically he is clinically interested in cancers of the head and neck, thyroid and endocrine disorders, rhinology, laryngology, and salivary gland disease.

In his spare time, Dr. Pfeiffer enjoys being with his wife and four children. As a family, they love being active outdoors, whether it be hiking, swimming, or attending local sporting events. Other interests include concerts, food and the occasional round of golf.

Audiologists


Patrick Brand, Au.D., F-AAA

Patrick Brand, Au.D received his Doctor of Audiology degree in 2008 from the Northeast Ohio Au.D. Consortium, which is a consortium consisting of the University of Akron, Kent State and the Cleveland Clinic. He matriculated through the University of Akron where he also obtained his undergraduate degree.  His primary interests include vestibular and electrophysiologic testing, pediatric and adult hearing evaluations, and hearing rehabilitative services (hearing aids).

Education - Undergraduate

  • University of Akron, Akron, OH

Education - Medical Education

  • Northeast Ohio Au.D., Akron, OH

Location

  • Allied Hearing and Balance Center (South Bend)