Skip to main content
Marlon DeCastro, MD, Internal Medicine, Santa Rosa, CA

Marlon C DeCastro MD


Physician

Join to View Full Profile
  • 500 Doyle Park DrSte. 303Santa Rosa, CA 95405

  • Phone+1 707-303-8300

  • Fax+1 707-303-8301

Dr. DeCastro is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

Education & Training

  • Nassau University Medical Center
    Nassau University Medical CenterResidency, Internal Medicine, 1999 - 2002
  • University of the Philippines College of Medicine
    University of the Philippines College of MedicineClass of 1997

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2009 - 2027
  • SC State Medical License
    SC State Medical License 2002 - 2011
  • Internal Medicine
    American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification Allscripts Enterprise EHR, Allscripts, 2011-2012

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence: