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Summary
Dr. Guillermo graduated from the Weill Cornell Medical College,Weill Cornell Medical College in 1995. She works in San Jose, CA and specializes in Psychiatry. Dr. Guillermo is affiliated with Santa Clara Valley Medical Center.
Quick Facts
- 31 years of experience
- WEILL CORNELL MEDICAL COLLEGE
- 1 specialty
- 11 areas of expertise
- 1 hospital affiliation
- 1 office location
- Female
Office Location
Compare with Similar Doctors
 |  |  |  |
| Dr. Gemma Ganzon Guillermo, MD | Olivier Djoumessi, PMHNP | Dr. Srikanth Challagundla, MD | John Whittier, MD |
| Psychiatry | Psychiatry | Psychiatry | Psychiatry |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 31 Years of Experience | 7 Years of Experience | 25 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks French, English | Speaks English | Speaks English | |
| San Jose , CA | Santa Clara , CA | San Jose , CA | Jacksonville , FL |
| Med School: WEILL CORNELL MEDICAL COLLEGE | Med School: Walden University | Med School: Saba University School of Medicine | Med School: University of Vermont College of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gemma Ganzon Guillermo
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Gemma Ganzon Guillermo has the following specialty
Specialty Expertise
Dr. Gemma Ganzon Guillermo has the following 11 areas of expertise
Certifications, License, & Education
31 Years Experience
Dr. Gemma Ganzon Guillermo holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Medical School
Graduated from WEILL CORNELL MEDICAL COLLEGE and Weill Cornell Medical College in 1995.
NPI Number
Dr. Guillermo's NPI number is 1831154418.
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Frequently Asked Questions
- Is Dr. Gemma Guillermo accepting new patients?
- Dr. Gemma Guillermo has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Gemma Guillermo accept my insurance?
- You can see the insurance plans that Dr. Gemma Guillermo accepts on their Vitals profile.
- Which hospitals is Dr. Gemma Guillermo affiliated with?
- Dr. Gemma Guillermo is affiliated with Santa Clara Valley Medical Center.
- Where is Dr. Gemma Guillermo's office located?
- Dr. Gemma Guillermo's office is located at 751 S Bascom Ave, San Jose, CA, 95128.
- Does Dr. Gemma Guillermo accept virtual/telehealth appointments?
- Dr. Gemma Guillermo has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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