Licking Memorial Health Systems - Measurably different...for your health
Services > Physician Practices > Internal Medicine
Licking Memorial Internal Medicine
120 McMillen Drive
Newark, Ohio 43055
Phone: (220) 564-4805
Fax: (220) 564-4811


Dr. Koontz
8:00 a.m. - 4:30 p.m. (M-Th)
8:00 a.m. - 4:00 p.m. (F)

Dr. Pathmanathan
8:00 a.m. - 4:00 p.m. (M-Th)
7:30 a.m. - 1:30 p.m. (F)

Dr. Roache
8:00 a.m. - 5:30 p.m. (M, W, Th)
8:00 - 12:00 Noon (T)
8:00 a.m. - 2:30 p.m. (F)

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Doctors of internal medicine, or internists, specialize in adult medical care and nonsurgical treatment of internal organs and functions of the body, and are the major providers of continuing, comprehensive healthcare for adults in the United States. An internist is a medical detective and diagnostician, personal physician, health counselor, educator and consultant.

Healthcare Provider(s)
David W. Koontz, D.O., received his Doctor of Osteopathic Medicine from the Ohio University College of Osteopathic Medicine.  Dr. Koontz completed an internship at Doctors’ Hospital and his internal medicine residency at Riverside Methodist Hospital, both in Columbus.
Suba Pathmanathan, M.D., earned her Medical Degree from Madras Medical College in Tamil Nadu, India and completed an internal medicine residency at Michigan State University College of Human Medicine in Flint, Michigan.  She is board certified in internal medicine.
Laura E. Roache, D.O., received her Doctor of Osteopathic Medicine degree from Ohio University Heritage College of Osteopathic Medicine in Athens, Ohio.  She completed an internal medicine residency at Prisma Health Greenville Memorial Hospital in Greenville, South Carolina.  She is board certified in internal medicine.
Additional Internal Medicine Services
Medical & Surgical Associates, Inc.
Bruce P. Miller, MD