Dr. Mark Mehrdad Davidson MD Gastroenterologist

Dr. Mark Davidson is a gastroenterologist in Los Angeles, California. He is affiliated with multiple hospitals in the area, including Cedars-Sinai Medical Center and Olympia Medical Center. He received his medical degree from David Geffen School of Medicine at UCLA and has been in practice for 13 years. He is one of 55 doctors at Cedars-Sinai Medical Center and one of 13 at Olympia Medical Center who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Hospital Affiliation

Cedars-Sinai Medical Center
Ranked #5 in Gastroenterology & GI Surgery

Olympia Medical Center

Education & Medical Training

VA Greater Los Angeles Healthcare System
Residency, Internal Medicine, 1997 - 2000

Kaiser Permanente Southern California
Fellowship, Gastroenterology, 2001 - 2004

David Geffen School of Medicine at UCLA
Class of 1997

Certifications & Licensure

American Board of Internal Medicine
Certified in Gastroenterology

American Board of Internal Medicine
Certified in Internal Medicine

CA State Medical License
Active through 2014

Publications & Presentations

Sulfur isotope enrichment during maintenance metabolism in the thermophilic sulfate-reducing bacterium Desulfotomaculum putei.
Davidson, M.M., Bisher, M.E., Pratt, L.M., Fong, J., Southam, G., Pfiffner, S.M., Reches, Z., Onstott, T.C.

Survivability of Psychrobacter cryohalolentis K5 under simulated martian surface conditions.
Smith, D.J., Schuerger, A.C., Davidson, M.M., Pacala, S.W., Bakermans, C., Onstott, T.C.

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS California PPO
  • Blue Shield California PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Harvard Pilgrim HMO
  • Health Net California Large Group PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PHCS PPO - Kaiser
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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