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NMMC Hematology and Oncology


Tupelo Location
961 S. Gloster St.
Tupelo, MS
(662) 377-4550


Starkville Location

1205 Hwy. 182 West

Starkville, MS

(662) 320-8545

Click here for Driving Directions

Medical Staff


Dr. Charles Montgomery photo

Charles W. Montgomery, M.D.
Dr. Montgomery has served as a staff medical oncologist since 1979. He has also acted as medical director for NMMC Hospice, working with the hospital to establish the first Medicare-approved hospice in the state. He has served on the Medical Ethics Committee for NMMC and as chairman of the committee, and also as an associate investigator for the North Mississippi Clinical Community Oncology Program. Dr. Montgomery has been chairman of the Department of Medicine at NMMC and holds licensure in both Mississippi and Alabama.


Dr. Julian Hill photo

Julian B. Hill, M.D.

Dr. Hill joined the practice in 1982. He is a graduate of the University of Mississippi and obtained his doctorate at the Tulane University School of Medicine in New Orleans. He trained in internal medicine at the University of Texas and was a fellow in the Medicine Branch at the National Cancer Institute in the National Institutes of Health (NIH). Dr. Hill has kept abreast of current medical knowledge through course work with American Society of Clinical Oncology and, most recently, at Harvard University Medical School. He co-founded Health Link PPO and served as its chairman for many years. He has served as chairman of the Department of Medicine, chairman of the Medical Staff and chairman of the Credentials Committee at NMMC. He has published more than a dozen articles in abstracts and medical journals during his career. Dr. Hill also obtained a grant from the NIH that established the North Mississippi Clinical Community Oncology Program, which allowed more than 500 area patients to participate in NIH-approved clinical trials.


Dr. Andrew Kellullm photo

Andrew H. Kellum, M.D.
Dr. Kellum has worked with the practice since 1989. Throughout his career, he has served as an instructor in the Department of Medicine at the University of Arkansas for Medical Sciences, making presentations in the fields of hematology and oncology. He received a bachelor’s degree in chemistry from Vanderbilt University and a doctorate from the University of Mississippi School of Medicine in Jackson.


Dr. Nik photo


Nikolaos Myriounis, M.D.

Dr. Myriounis "Dr. Nik" received his medical education at the University of Athens School of Medicine in Athens, Greece. He completed a residency in internal medicine at Berkshire Medical Center, University of Massachusetts in Pittsfield. He completed a fellowship in hematology and oncology at St. Elizabeth's Medical Center, Tufts University, in Brighton, Mass.



Dr. Tan photo

Jiahuai Tan, M.D.
Dr. Tan earned his doctorate at Jiangxi Medical College, Nanchang, China. He completed his fellowship program in Hematology and Oncology at Karmanos Cancer Center, Detroit, Mich., and his internship at Mt. Vernon Hospital in affiliation with New York Medical Center. He has received several academic honors and was a research fellow at University of Tennessee Medical School in Memphis.


Dr. Paschal Wilson


Paschal Wilson, M.D.

Dr. Wilson completed his bachelor’s degree at the University of Mississippi in Oxford, and his medical degree at the University of Mississippi School of Medicine in Jackson. He completed an internal medicine residency at the University of Mississippi Medical Center, and his hematology/oncology fellowship at the University of Texas Southwestern Medical Center in Dallas. He is board certified in medical oncology, and has worked in oncology since 2002.


Office Hours

Our clinic is open Monday through Friday from 8 a.m. to 5 p.m.


Our office is open from 8 a.m.-4:30 p.m. Monday through Friday. We see patients by appointment only. Lab work is usually required for most of our patients. Because of this, your appointment time will reflect the time your lab will be drawn. It usually takes our medical technologists approximately 30 minutes to process the needed lab, depending on what your physician needs. If you are scheduled to see a physician, you will be escorted to an exam room after your lab work is completed.

About Us

Medical oncology and hematology are subspecialties of internal medicine. After four years of medical school and four years in an internal medicine residency, these specialists complete two- to three-year fellowships in their respective fields. Oncology is one of the newest sub-specialties in medicine. Medical oncology includes the treatment of malignant disease, or cancer. Hematology includes the treatment of cancers of the blood or other blood
disorders. Our physicians are board certified in their respective specialties and are active members of local and national professional organizations. They attend medical conferences frequently to keep abreast of changes from year to year. They also participate in clinical trials, which allows us to provide the latest in treatment options.


If possible, have a list of prescriptions refills you need available at your clinic visit. If a prescription is needed between appointments, call us during business hours– between 8 a.m. and 4:30 p.m. on weekdays. Narcotic prescriptions must be picked up at the clinic or mailed to you – they cannot be phoned in to your pharmacy. Prescriptions cannot be filled on weekends or after 4:30 p.m. during the week.


After Hours Care

If you have health care questions after hours, please call Nurse Link® at 1-800-882-6274 or (662) 377-3007. If you have a health care emergency, please call 9-1-1 or visit the nearest Emergency Department.

Patient Satisfaction

Patient satisfaction and quality of care are important at all North Mississippi Medical Clinics locations. The physicians and staff work to address patient complaints in a timely manner and to improve the service provided to patients.

Patients or their representatives who have a complaint or would like to express concerns about their care and safety while in the clinic or who have a compliment to share may contact Careline at (662) 377-2273 or e-mail

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