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Meet Our Surgeons

The physicians of Santa Rosa Orthopaedics are board certified, fellowship trained surgeons specializing in sports medicine and arthroscopy, orthopaedic trauma and fracture care, joint replacement, surgery of the hand and upper extremity, foot and ankle disorders, general orthopaedic surgery and physical medicine & rehabilitation. Our comprehensive team of physicians will provide you with a personalized assessment and treatment plan to meet your individual needs.

Each of our highly trained specialists can be referenced alphabetically to access personal biographies, physician schedules and hours of operation, as well as office location.

Frederick S. Bennett, M.D.
Frederick S. Bennett, M.D.

Specialty: Orthopaedic Trauma

Medical School: UCLA School of Medicine

Residency: Orthopaedic Trauama, Harbor-UCLA Medical Center

Fellowship: Orthopaedic Traumatology, University of Medicine and Dentistry of New Jersey and the University of Pennsylvania

Dr. Frederick Bennett is a Board Certified Orthopaedic Surgeon, with subspecialty interest and fellowship... Read more >

Thomas C. Degenhardt, M.D.
Thomas C. Degenhardt, M.D.

Specialty: Sports Medicine, Arthroscopy, Joint Replacement, General Orthopaedic Surgery

Medical School: University of California, San Francisco Medical School

Residency: Orthopaedic Surgery, University of California, San Francisco Medical School

Fellowship: Sports Medicine, Hughston Orthopaedic Clinic

Dr. Thomas Degenhardt is a Board Certified Orthopaedic Surgeon specializing in sports medicine, arthroscopic surgery and joint reconstruction of the knee, shoulder... Read more >

Nathan R. Ehmer, D.O.
Nathan R. Ehmer, D.O.

Specialty:Orthopaedic Trauma, Complex Fracture Care, Pelvic & Acetabular Reconstruction

Medical School: Midwestern University - Arizona College of Osteopathic Medicine

Residency: Orthopaedic Surgery, Botsford Hospital, Farmington Hills, Michigan

Fellowship: Orthopaedic Trauma, UC San Francisco/San Francisco General Hospital

Dr. Nathan R. Ehmer is a board certified orthopaedic surgeon, specializing in ... Read more >


Kai-Uwe Mazur, M.D.
Kai-Uwe Mazur, M.D.

Specialty: Hand & Upper Extremity Surgery

Medical School: New York University School of Medicine

Residency: Orthopaedic Surgery, University of Southern California Hospitals

Fellowship: Hand & Microvascular Surgery, Mayo Clinic

Dr. Kai Mazur specializes in treatment of disorders of the hand, elbow, and shoulder. As a Board Certified orthopaedic Surgeon, Dr. Mazur holds... Read more >

Michael J. McDermott, M.D.
Michael J. McDermott, M.D.

Specialty: Sports Medicine, Complex Reconstruction of the Knee and Shoulder

Medical School: Creighton University School of Medicine

Residency: Naval Medical Center, San Diego

Fellowship: Sports Medicine, Cincinnati Sports Medicine and Orthopaedic Center

Dr. Michael McDermott is a Board Certified Orthopaedic Surgeon specializing in sports medicine and other orthopaedic problems... Read more >

Dominic J. Mintalucci,  M.D.
Dominic J. Mintalucci, M.D.

Specialty: Hand and Upper Extremity Surgery

Medical School: Georgetown University School of Medicine, Washington, D.C.

Residency: Orthopaedic Surgery, Monmouth Medical Center, Long Branch, New Jersey

Fellowship: Microsurgical, Hand and Upper Extremity Surgery, Rothman Institute & Thomas Jefferson University in Philadelphia, PA.

Dr. Dominic Mintalucci is a board-eligible orthopaedic surgeon with additional subspecialized training... Read more >


Mark E. Schakel, M.D.
Mark E. Schakel, M.D.

Specialty: Foot & Ankle Disorders

Medical School: University of Iowa School of Medicine

Residency: Orthopaedic Surgery, University of Florida School of Medicine

Fellowship: Foot and Ankle Surgery, Roger Mann, Oakland, California

Dr. Mark Schakel is a Board Certified Orthopaedic Surgeon specializing in problems of the foot and ankle... Read more >

Michael J. Star, M.D.
Michael J. Star, M.D.

Specialty: Spinal Disorders, Joint Replacement Surgery

Medical School: Boston University School of Medicine

Residency: State University of New York - Kings County Hospital Center

Fellowship: Total Joint Replacement & Spinal Disorders, Scripps Clinic, La Jolla, CA

Dr. Michael Star is a Board Certified Orthopaedic Surgeon specializing in the treatment of spinal disorders and joint replacement... Read more >

Gary A. Stein, M.D.
Gary A. Stein, M.D.

Specialty: Minimally Invasive Surgery (MIS), Adult Reconstructive Surgery, Sports Medicine, Back Care

Medical School: Indiana University Medical School

Residency: Orthopaedic Surgery, University of California Irvine Medical Center

Dr. Gary Stein has pioneered techniques in hip and knee replacement surgery and has been performing (MIS) minimally invasive hip replacement surgical techniques... Read more >

  • Location
  • Hours
  • Testimonials

Montgomery
Santa Rosa Orthopaedics
1405 Montgomery Drive
Santa Rosa, CA 95405
(707) 546-1922

Stony Circle
Santa Rosa Orthopaedics
Sports Medicine & Rehabilitation
131B Stony Circle, Suite 2000
Santa Rosa, CA 95401
(707) 546-1922


See regular scheduled hours for each surgeon on their bio page


Go to the Patient Testimonials page or view testimonials for each surgeon on their bio pages

Patient Testimonials

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Meet Our Surgeons

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