MHSI Logo

NEUROSURGEONS 

Fernando G. Diaz, M.D., Ph.D.
General Neurosurgery
Minimally Invasive Spine Surgery

Richard D. Fessler, M.D.
Endovascular Neurosurgery

Holly S. Gilmer, M.D.
Adult & Pediatric Neurosurgery
Peripheral Nerve Surgery

Mark L. Goldberger, D.O., M.S.
General Neurosurgery
Minimally Invasive Spine Surgery

Jeffrey T. Jacob, M.D.
Craniofacial and Skull Base Surgery
Pituitary tumors and Endoscopic Surgery

Robert R. Johnson II, M.D. 
MHSI, President
Adult Neurosurgery
Neurotrauma

Fredrick S. Junn, M.D.
General Neurosurgery
Complex Spine

Kevin R. Lee, M.D.
Minimally Invasive Neurosurgery
Spinal Endoscopy

Ali W. Luqman, M.D.
Minimally Invasive Neurosurgery
Brain, Pituitary and Spine Tumors

Ratnesh N. Mehra, D.O., FACOS
MHSI, Vice President
Minimally Invasive Neurosurgery
Robotic, Endoscopic, and Complex Reconstructive Spine Surgery

Tejpaul S. Pannu, M.D.
MHSI, Treasurer
General Neurosurgery
Trigeminal Neuralgia

John J. Steele, M.D., Ph.D.
Endovascular Neurosurgery

Richard S. Veyna, M.D.
Complex Spine & Cranial Neurosurgery

Daniel R. Pieper, M.D.
In Memoriam

Daniel B. Michael, M.D., Ph.D. 
Emeritus

Harold D. Portnoy, M.D. 
Emeritus

 

PHYSIATRISTS

Karl R. Freydl, D.O.
Interventional Physiatry

Sophia E. Grias-Radwanski, M.D.
Physical Medicine & Rehabilitation
Pain Management

John M. Marshall, M.D.
Interventional Pain Management

Henry C. Tong, M.D., M.S.
Interventional Pain Management

 

NEUROLOGY

David Lustig, D.O.
Neurologist

 

MEDICAL ACUPUNCTURE

Alison Lee, M.D.
Medical Acupuncture
Integrative Pain Management

 

ANESTHESIOLOGY & PAIN MANAGEMENT

Stephen D. Hofmeister, D.O.
Anesthesiology & Pain Management

 

PHYSICIAN ASSISTANTS/NURSE PRACTITIONERS

Elizabeth Francek, NP-C
Certified Nurse Practitioner

Brandon Helchowski MSN, NP-C
Certified Nurse Practitioner

Justin Hugelier, MS, PA-C
Certified Physician Assistant

Olga Klahm, PA-C
Certified Physician Assistant

Nicholas Lorenz, MS, PA-C
Certified Physician Assistant

Jennifer Podgorny, PA-C
Certified Physician Assistant

Christine Schomer, MSN, NP-C
Certified Nurse Practitioner

Jennifer Smith, MSN, AGACNP–BC
Certified Nurse Practitioner

 

EXPERTISE makes the difference graphic