Dr. Teodoro P. Nissen

The founder of Bay Area Orthopedics, Dr. Teodoro Nissen, is a Fellowship trained orthopedic surgeon with a special interest in arthroscopic reconstruction of shoulder, knee and ankle injuries. Dr. Nissen’s surgical expertise involves joint replacement surgeries of the shoulder, hip and knee, as well as the Birmingham Hip Resurfacing procedure.

Dr. Nissen first became involved with sports related injuries at U.C. Berkeley while working with the Intercollegiate Sports Medicine Staff. During his tenure, Dr. Nissen worked extensively with the gymnastic and soccer teams, was the head undergraduate trainer for the Cal Football team and provided care for Cal Rugby team, winning three consecutive national titles. Dr. Nissen, graduated from Cal at the top of his class with a degree in Human Biodynamics, and was awarded the UC Berkeley Departmental Citation.

Dr. Nissen received his medical degree from The University of California, San Francisco, and completed his internship and residency at UCSF in the department of Orthopedic Surgery. While at UCSF, Dr. Nissen was awarded the UCSF post-sophomore fellowship in Pathology, and was elected to the Alpha Omega Honor Society. During his year as Chief Resident, he was awarded the Northern California Western Orthopedic Research Award for his research on computer-assisted surgery. Dr. Nissen received further specialized Fellowship training in Sports Medicine and Sports Trauma from The Lake Tahoe Orthopedic Institute.

With a commitment to the education of medical students, Dr. Nissen is currently an Adjunct Clinical Instructor for the Department of Orthopedic Surgery at UCSF, and an Adjunct Clinical Faculty at Tuoro University in Vallejo. 

Dr. Nissen has a special interest in providing care for underserved communities. He has worked with St. Luke’s Hospital in San Francisco, Operation Rainbow, the Marin County Clinic, San Francisco General Hospital, and the Institute for Global Orthopedics and Traumatology.

                                                                                                Teodoro P. Nissen, M.D.
                                                                                            100 Hospital Drive, Suite 303
                                                                                                        Vallejo, CA 94589
                                                                                      Tel 707-645-7210 / Fax 707-645-7249
                                                                                                 nissen@baosurgery.com

ORTHOPEDIC SURGERY TRAINING

University of California, San Francisco, Department of Orthopedic Surgery                                         06/00-06/05 

Orthopaedic Surgical Resident, CA Medical License: A779010                                                                     06/2002 

American Board of Orthopaedic Surgery  Board Certified  07/14/2008                                                  12/31/2018 

Lake Tahoe Orthopaedic Institute Fellowship                                                                                                         01/06-09/09 

Arthroscopic and open surgical techniques for sports related injuries and trauma

EDUCATION

University of California, San Francisco, School of Medicine                                                                           06/2000

Doctorate of Medicine                                                                                                                                                         06/97-07/98 

University of California, San Francisco, Department of Pathology

Post-Sophomore Fellowship 

University of California, Berkeley, Bachelor of Science, Human Bio-dynamics                                     06/1995 

Graduated with Department’s highest honor

EMPLOYMENT EXPERIENCE

Bay Area Orthopedic Surgery and Sports Medicine, Orthopaedic Surgeon                                        2008-present
Owner of Specialty medical practice with focus on Sports, Trauma and Arthroplasty

St. Luke’s Department of Orthopaedic Surgery, Staff Orthopaedic Surgeon                                     2005-2008
Partner in multi-specialty group with focus on Sports. Trauma and Arthroplasty

UCSF/SFGH Department of Orthopaedic Surgery, Adjunct Clinical Instructor                            2007-present
Involved in the education of medical students, residents and fellows.
Evaluate patients in Sports  Medicine/Trauma  clinic.  

Involved in weekly Trauma teaching conference.

UCSF Post-Sophomore Fellowship, Department of Pathology, Fellow                                               1997-1998
Responsible for processing, evaluating and assessing histological and gross

pathological specimens. Performed microscopic and gross post-mortem examinations.

UC Berkeley, Integrative Biology, Human Anatomy, Head Graduate Student Instructor           1997
Supervised instructors and students of six undergraduate anatomy laboratories.  Responsible 

for implementing curriculum, designing laboratory practicals and overseeing administrative 

responsibilities.

UC Berkeley, Athletic Medicine Apprenticeship Program, Head Student Apprentice                1992-1995
Administered medical care to intercollegiate athletes with team physicians and athletic 

trainers. Utilized techniques in prevention, treatment and rehabilitation of athletic injuries. 

Responsible for the supervision and basic instruction of the fellow apprentices.

AWARDS/HONORS

Northern California Western Orthopedic Research Award                                                                           2006 

Alpha Omega Alpha Honor Society                                                                                                                            2000 

UCSF Post-Sophomore Research Fellowship                                                                                                         1997 

UC Berkeley Department Citation, Human Biodynamics                                                                               1995 

Nu Sigma Psi Scholastic Honor Society                                                                                                                     1995 

Edwina Dean Park Academic Award                                                                                                                          1995 

California Sports Medicine Scholarship                                                                                                                   1994-1995 

Student Lifetime Achievement Award                                                                                                                      1992

RESEARCH EXPERIENCE

UCSF/SFGH Department of Orthopaedic Surgery, Dr. Bobby Tay                                                    2002-2004
Performed cadaveric study comparing computer-assisted surgery (CAOS)
With conventional fluoroscopy for intramedullary nailing of femoral fractures and 

percutaneous insertion of sacral-iliac screws.

UCSF, Department of Orthopaedic Surgery, Dr. Norman Otsuka                                                       1998-1999
Utilized murine model for investigation of molecular characteristics of transphyseal 

bone bridge.

UCSF, Cardiovascular Research Institute and Structure Laboratory, Dr. Phil Ursell                1997-1998
Investigated effects of adenoviral mediated gene therapy on electrophysiologic 

paramenters of cadiac conduction system. Examined changes in cardiac collagen 

ultrastructure resulting from in vivo model of low ischemia and reperfusion.

TEACHING EXPERIENCE

UCSF/SFGH Department of Orthopaedic Surgery, Adjunct clinical Instructor                         2007-2008
Involved in the education of medical students, residents and fellows.  Evaluate patients 

in Sports Medicine/Trauma Clinic. Involved in weekly Trauma teaching conference.

Touro University, Adjunct Clinical Faculty                                                                                                       2007-Present
Volunteer preceptor for third and fourth year osteopathic students.  Eduction includes 

didactic, clinical and operative arenas.

UCSF, Department of Pahology, Laboratory Instuctor                                                                              1997-1998
Instructed medical students on basic principles and histological pathology for core 

curriculum laboratory.

UC Berkeley, Functional Human Anatomy, Graduate Student Instructor                                      1996-1997
Responsible for formulating lesson plans, presenting formal lectures and individual 

instruction of students in upper division
anatomy laboratory.

PUBLICTIONS/PRESENTATIONS

Nissen T. Ferguson T. Tay B. Holmes W. Ries M.  Computer-assisted Surgery vs. conventional Fluoroscopy for Intramedullary Nailing of the Femur: a Cadaveric Study. Orhopaedic Trauma Association, 19th Annnual Meeting, October 2003, salt Lake City, Utah.

Ferguson T. Nissen T. Holmes W. Tay B, Ries M.  Vitual Flouroscopy vs Conventional C-Arm Guided Sacroiliac Placement:  An Evaluation of Radiation Exposure, Surgical Time and Accuracy in Cadaveric Pelves.  Orthopaedic Trauma Association, 19th Annual Meeting, October 2003, Salt Lake City, Utah.

Ferguson T. Nissen T.  Tay B. Holmes W. Ries M.  Computer-assisted Surgery vs. conventional Fluoroscopy for Intramedullary Nailing of the Femur:  A Cadavic Study.  International Society for Computer Assited Orthopaedic Surgery, Third Annual Meeting,  June 2003, Marbella Spain.

Ferguson T. Nissen T. Holmes W. Tay B, Kim H, Ries M.  Vitual Flouroscopy vs Conventional C- Arm Guided Sacroiliac Screw Placement.   International Society for computer Assisted Orthopaedic Surgery, Third Annual Meeting,  June 2003, Marbella, Spain.

Rovinsky D. Nissen T. Otsuka N. Fungal Osteomyelitis of the Epiphysis.  Orthopaedics, 2001 Nov 24 (11): 1083-4.

Lee M. Nissen T. Otsuka N.  Utilization of a Murine Model for the Investigation of the Molecular Process of Transphyseal Bone Formation.  Joural of Pediatric Orthopaedics, 2000 Nov-Dec: 20(6): 802-6

Nissen T. Silverman N. Ursell P. Aortic Vasculpathy with Aneurysm. Cadiology of the Young.  2000 Mar. 10(2): 153-5

Lu L. Xu Y. Zhu P. Gunja-Smith Z. Woessner JF. Galardy RE. Nissen T. Ursell P. Schwartz CG.  Matrix Metalloproteinases and Collagen Ultrastructure in Moderate Myocardial Ischemia and Reperfusion in Vivo.  American Journal of Phsiology,l 2000 Aug: 279(2): 601-9

Gallinghouse J. Nissen T. Sievers R. Chakraborti P. Ursell P. Lee R.  Adenoviral Mediated Gene Expression Localize to the Cardiac conduction System: Effects on Electrophysiologic Preperties.  Human Gen Theraphy, Submitted for publication.

MEMBERSHIPS/ORGANIZATIONS

Institute for Global Orthopedics and Traumatology (IGOT), Member                                           2006-Present
Involved in program with aim to improve the healthcare of underserved populations 

affected by orthopedic disease and trauma. The goal of this institute is to partner with 

educational institutions at home and abroad to develop strategies to lessen the burden 

of musculoskeletal conditions.

Operation Rainbow, Member                                                                                                                                  2007-Present
Recently one of two surgeons involved in effort to bring orthopedic care to underserved 

individuals of Marin country. Will attempt to integrate community orthopedist into 

a long term network of comprehensive care for low income patients of this community.

American Academy of Orthopedic Surgeons, Diplomat                                                                          2002-Present

California Academy of Orthopedic Surgeons, Member                                                                           2008-Present

Solano County Medical Society, Member                                                                                                        2008-present