Frederick Internal Medicine and Endocrinology Services in Frederick, MD

Frederick Internal Medicine and Endocrinology Services


Specialized care in diabetes, thyroid, parathyroid, pituitary, adrenal and reproductive disorders, osteoporosis, and polycystic ovarian syndrome.


Majd Hakim, M.D., F.A.C.E., E.C.N.U.
Dr. Hakim received her medical degree from Damascus University School of Medicine in 1992. For two years, she worked at the National Institute of Health in Bethesda, MD as research fellow before she started her residency. Dr Hakim completed her residency in Internal Medicine at Seton Hall University School of Graduate Medical Education in New Jersey in June 1999.  She completed her Endocrinology Fellowship at George Washington University in Washington, DC in June 2001.

Dr. Hakim joined an endocrinology group in Rockville, MD from 2001 through 2003.  Then she moved to Frederick to start her practice with Frederick Internal Medicine and Endocrinology Service. Dr Hakim is board certified in Endocrinology, Diabetes and Metabolism. She is also certified in ultrasound and ultrasound-guided biopsies of the neck (E.C.N.U.). 

Dr Hakim’s major interest is treating thyroid disease, performing thyroid ultrasound, ultrasound-guided fine-needle aspirations and Ethanol Percutaneous Injection for the treatment of thyroid cysts. She is licensed for administration of radioactive iodine treatment for thyroid cancer and hyperthyroidism. Dr. Hakim’s other interest is treatmenting Diabetes and Obesity, analyzing continuous glucose monitoring studies, and managing patients on insulin pumps.  Dr Hakim also interested in treating patients with other endocrine diseases like polycystic ovarian syndrome (PCO’S), Osteoporosis and Parathyroid disease.

Dr. Hakim is an active member of the Endocrine Society, the American Association of Clinical Endocrinologists and American Thyroid Association. She has been awarded fellowship status in the American College of Endocrinology (F.A.C.E.) 

Shanna Greminger, MS, NP, CS, BC-ADM
Shanna Greminger NP, MSN, CS, BC-ADM brings 20 years of experience in Endocrinology, Diabetes and Metabolism and has served as clinician, researcher, consultant, and lecturer in this capacity. She received her undergraduate degree with honors from the University of Southern California where she was Salutatorian and recipient of the Chairperson's Award for Overall Excellence.  She received her graduate degree from Georgetown University with honors and was the recipient of the Exceptional Service Award and the Grady Memorial Scholarship. She completed a Advanced Lipid Fellowship with UCSF Gladstone Center. Currently she is on faculty at the George Washington University serving as Clinical Professor and previously served as faculty at the University of Southern California instructing in Pathophysiology and Pharmacology. She is interested in the use diabetes technologies and holds several certifications in Continuous Insulin Infusion and Continuous Glucose Monitoring Devices. She treats all aspects of General Endocrinology, with a special interest in Diabetes, PCOD, Dyslipidemia, Obesity, Thyroid Disorders, Menopause, and Testosterone Deficiency. She is a member of The Endocrine Society, American Association of Nurse Practitioners, The Obesity Society, The National Organization of NP Faculties, and The American Association of Clinical Endocrinologists. She is accepting new referrals.

Jinhui Yuan, PA-C
Jinhui Yuan will be joining the practice late November 2014. She is fluent in English and Chinese.