Meet Our Team

Led by our experienced experts in California industrial care.

Fred Von Stieff, M.D., M.B.A.

Providing genuine, reliable care to all for over 20 years.

Dr. Fred Von Stieff, our head of California industrial care
Dr. Von Stieff has extensive experience in industrial medicine and has worked for major corporations in the past. He understands the importance of clear and concise communication between physician and company, an approach he instils in his entire staff.

When caring for your team, Dr. Von Stieff uses his vast knowledge and modern approach to attain accurate results. However, he never treats your team as just a number, but rather cares for their individual needs. Each person who walks into our office is cared for and treated as our top priority.


  • Graduate of the University of California
  • Graduate of the Irvine School of Medicine
  • Three year Family Practice residency at the University of California, Davis

Experience & Credentials

  • Medical Director of John Muir Hospital’s Occupational Medicine Clinic and originator of the Occupational Clinics for John Muir Health Systems in 1985
  • Medical Director of Shell Oil Refinery Martinez Complex for 5 years
  • Bechtel Clean Fuel Project, Shell Oil Medical Director of a 3-billion dollar project, outstanding health/safety record
  • Exxon Clean Fuel Project Medical Director, outstanding safety/health record
  • Lockhead, Kiewit, Department of Energy, Nuclear Test Site, INEL, Idaho, Medical Director, excellent safety record
  • Kiewit Alaska Medical Director, large boring, mining, and tunneling, excellent safety record
  • Caldecott Tunnel, Tutor-Saliba, 2013, excellent safety record
  • Benicia Bridge, Kiewit, Medical Director with Kiewit for the new span running for Contra Costa County to Solano County, excellent safety record
  • Medical Review Officer for the Boilermakers Union nationwide up to present time
  • Chief Medical Director, the Boilermakers Union nationwide, rating all of their policies and toxicology, 1985 to present
  • American Industrial Care and Advanced Industrial Care Physician for the refineries and multiple companies to present time

Kristi Carpenter, D.O.

Partnering with you for better health care.

California industrial care provider Dr. Kristi Carpenter smiling
Following in the footsteps of her father, Dr. Fred Von Stieff, Dr. Carpenter has acquired a number of years experience in occupational medicine. She has managed Advanced Industrial Care for over 10 years, so she understands the needs of our occupational customers. She strives to provide quality care in an organized and timely manner. This includes providing on-site testing and 24-hour emergency support.

Dr. Carpenter treats patients to ensure that our high-quality standards are met. She also stresses the importance of developing partnerships and good relationships with companies and employees that are treated at our office.


  • Completed an internship and residency through the University of California
  • Davis residency network at San Joaquin General Hospital
  • Manager of Advanced Industrial Care since 2005
  • Manager of American Industrial Care since 2005
  • Practicing Physician of Occupational Medicine


  • Earned her Bachelor of Science degree in Biotechnology and with a minor in Sociology from the University of California, Davis
  • Master of Business from St. Mary’s College
  • Doctorate of Osteopathic Medicine degree from Touro University
  • Trained extensively on management of chronic conditions, including diabetes, hypertension, and congestive heart failure.

Qualifications/ Memberships

  • Board-certified Family Practice physician
  • Trained in Pediatrics and Women’s Health
  • Trained in occupational and addiction medicine

" It is my great pleasure to recommend Advanced Industrial Care to individuals and companies that are seeking the highest level of patient care from a team of doctors who truly understand all aspects of occupational medicine."

– Steve Humphrey (Senior HSE Manager, Chase Center)

Your Dedicated and Compassionate Team

Making each visit personable and efficient.

Going the extra mile with our close partnership at California Industrial Care

Part of Your Team

Our close partnership means we view ourselves as part of your team. In turn, this means we have your interests at heart and go the extra mile for you.

Our doctor comforting a patient at California Industrial Care

One of the Family

Each patient who walks through our doors, whether for pre-employment tests or injury recovery, is treated with respect and courtesy.

Our staff at California Industrial Care writing down information

Meeting Your Needs

We share the same goal of getting your workers fit and healthy as quickly as possible.

Our skilled staff at California Industrial Care

Experienced & Skilled

Our entire team has the necessary experience and training to provide you with the best treatment in occupational medicine and industrial care.

Contact Our Office to Learn More

Getting employees back to work ASAP!