Otolaryngology (ENT) Allergy, Audiology

To Contact PCRMC Bond Clinic ENT, Allergy, Audiology please call 573-364-5719

The PCRMC Bond Clinic ENT (Ears, Nose and Throat) services is the # 1 Choice for patients in South Central Missouri.

ENT (Otolaryngology, Ear, nose & Throat) is the medical specialty that managers diseases of the ears, nose, larynx, mouth, throat, and structures of the neck and face.

Our services include but are not limited to:

  • Medical and surgical treatment of diseases of the head and neck
  • Thyroid and parathyroid management and surgery
  • Hearing evaluation and hearing aids
  • Allergies, testing and treatment
  • Facial aesthetics and enhancement of the face

The Physicians at the PCRMC Bond Clinic are committed to providing you and your family with the best, medical care possible.  We pride ourselves in offering technologically advanced health care while maintaining a personal approach to each of our patients.

Meet Our Physicians

Judyann Krenning, M.D.Judyann Krenning, M.D.
Dr. Judyann Krenning, M.D. began her ENT practice in Rolla in 1998 and joined the Bond Clinic in 2004. She started her medical career as a respiratory therapist in 1978. She received her B.A. in chemistry from St. Louis University in 1988.
She attended Southern Illinois University School of Medicine completing her medical degree in 1992, followed by her general surgery residency (1994) and Otolaryngology-Head and Neck surgery residency, finishing in 1998.
She is a Medical School, Junior Year, AOA recipient. Dr. Krenning has been honored as a Diplomat of the American board of Otolaryngology and a Fellow of the American Association of Otolaryngic Allergy.
Dr. Krenning provides complete ENT services including tonsillectomies and adenoidectomies, sinus, ear, and thyroid surgeries for patients of all ages. Her clinic offers allergy testing and audiology services.
Learn more about Dr. Judyann Krenning

Larry Mazzeo, Au.D.Larry Mazzeo, Au.D.
Dr. Larry Mazzeo, Au.D. has been practicing in the Rolla area since January 1999, when he joined Judyann Krenning, M.D. He received his B.A. in speech pathology/ audiology in 1984 and his Masters Degree in audiology in 1986 from San Jose State University. He received his Doctor of Audiology in 2005.
He has served as secretary for the Advisory Commission for Speech Language Pathology and Audiology, Board of Healing Arts State of Missouri from 2002 to present.
Dr. Mazzeo offers adult and pediatric diagnostic evaluations, ABR, OAE, ENG, hearing aid dispensing, industrial testing and public and physician education.
Learn more about Dr. Larry Mazzeo

Sandra Headrick, APRN, BC  Sandra Headrick, APRN, BC
Sandra joined Dr. Krenning's ENT & Allergy clinic in 2008. Sandra is a graduate of programs at the University of Missouri, Columbia, and the University of Missouri, St. Louis. With more than 12 years of experience in acute and chronic care, infants and adults, urgent and emergent care, Sandra brings vast experience in patient care to the Bond Clinic ENT and Allergy practice. Sandra is a candidate for SOHN (Society of Otolaryngology and Head and Neck Nurses) and an allied health member of the American Association of Otolaryngic Allergy.
Learn more about Sandra, ENT- Family Nurse Practitioner