Pituitary Disorders Specialists

At the Johns Hopkins Pituitary Center, a team of doctors and other health care professionals works together to provide the most effective and safest treatment possible for patients with a pituitary tumor. Expect highly specialized expertise and cutting-edge treatments, delivered with compassion.

Medical Director

Roberto Salvatori, M.D.

Expertise: Adrenal Insufficiency, Adrenal Tumors, Cushing Syndrome, Endocrinology, Growth Hormone Deficiency

Surgical Director

Gary Gallia, M.D., Ph.D.

Expertise: Brain Cancer, Brain Tumors, Cerebrospinal Fluid (CSF) Leaks, Cholesterol Granuloma, Chordomas


Neurosurgeons specialize in the diagnosis and treatment of brain tumors and other disorders of the nervous system.

  • Chetan Bettegowda, M.D., Ph.D.

    Expertise: Brain Tumors, CyberKnife and Stereotactic Radiosurgery, Gliomas, Meningiomas, Metastatic Brain Tumors

  • Henry Brem, M.D.

    Expertise: Acoustic Neuromas, Brain Cancer, Brain Tumors, Glioblastoma, Gliomas

  • David Lin, M.D., Ph.D.

    Expertise: Brain Metastases, Brain Tumors, Cervical Spine Disease, Endoscopic Brain Neurosurgery, Glioblastoma

  • Raj Mukherjee, M.D., M.P.H.

    Expertise: Acoustic Neuromas, Brain Cancer, Brain Metastases, Brain Stem Tumors, Brain Tumors

  • Jon Weingart, M.D.

    Expertise: Acoustic Neuromas, Brain Cancer, Brain Tumors, Cervical Degenerative Disc Disease, Chiari Malformations


Endocrinologists specialize in the diagnosis and treatment of pituitary tumors and other disorders of the pituitary gland.

Amir Hekmat Hamrahian, M.D.

Expertise: Adrenal Diseases, Adrenal Insufficiency, Adrenal Tumors, Adrenocortical Carcinoma (ACC), Congenital Adrenal Hyperplasia


These doctors specialize in examining the effects of pituitary tumors and the vision system.

Otolaryngologists (ENT)

These doctors specialize in ear, nose and throat care.

  • Masaru Ishii, M.D., Ph.D.

    Expertise: Cerebrospinal Fluid (CSF) Leaks, Cholesterol Granuloma, Chordomas, Chrondrosarcoma, Chronic Sinonasal Infection and Ear Disease

  • Nyall London JR, M.D., Ph.D.

    Expertise: Basal Cell Cancer of the Head and Neck, Cerebrospinal Fluid (CSF) Leaks, Chronic Sinusitis, Encephalocele, Endoscopic Frontal Sinus Surgery

  • Murray Ramanathan Jr., M.D.

    Expertise: Cerebrospinal Fluid (CSF) Leaks, Chronic Sinusitis with Polyps, Complex Skull Reconstruction, Endoscopic Frontal Sinus Surgery, Esthesioneuroblastoma

  • Nicholas Rowan, M.D.

    Expertise: Chronic Sinusitis, Endoscopic Frontal Sinus Surgery, Endoscopic Orbital Decompression, Endoscopic Sinus Surgery, Endoscopic Tear Duct Surgery


Pathologists specialize in interpreting specimens obtained during surgery.

Radiation Oncologists

Radiation oncologists specialize in the use of radiation therapy to treat tumors.

Nurses and Physician Assistants

These health care professionals who practice medicine under the supervision of physicians and surgeons in the Department of Neurology & Neurosurgery.

Jill Anderson, M.S., P.A.-C.

Physician Assistant

Jill Anderson

Ashley Kang, P.A.-C.

Physician Assistant

Ashley Kang

Sandra (Sandy), Ramsburg, R.N., B.S.N.

Nurse Coordinator

Sandra (Sandy), Ramsburg

Other Team Members

Other doctors and health care professionals with special expertise in brain tumors may also be part of the team depending on your individual needs, including:

  • Critical care doctors and nurses
  • Physical and occupational therapists
  • Social workers to coordinate care after the patient leaves the hospital