Dr. Valenzuela 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.
Office
400 N Pepper Ave
# Mob
Colton, CA 92324Phone+1 909-580-6333Fax+1 909-580-3289
Education & Training
- University of Texas Health Science Center San Antonio Joe and Teresa Lozano Long School of MedicineResidency, Obstetrics and Gynecology, 1978 - 1979
- Pontifical Catholic University Mother and TeacherClass of 1974
Certifications & Licensure
- CA State Medical License 1982 - 2025
- TX State Medical License 1978 - 2016
- American Board of Obstetrics and Gynecology Obstetrics & Gynecology
- American Board of Obstetrics and Gynecology Maternal-Fetal Medicine
Clinical Trials
- A Safety and Efficacy Trial of Stannsoporfin in Neonates With Hyperbilirubinemia Start of enrollment: 2008 Aug 01
- A Study of VGX-3100 DNA Vaccine With Electroporation in Patients With Cervical Intraepithelial Neoplasia Grade 2/3 or 3 Start of enrollment: 2011 Apr 01
- Intravenous Iron Versus Oral Iron for the Treatment of Iron Deficiency Anemia Start of enrollment: 2023 Nov 21
Roles: Sub-Investigator, Contact
Publications & Presentations
PubMed
- Uterine Dehiscence in the Early Third Trimester: A Report of Two Cases.Kristina Nalbandyan, Tina Bui, Kristina Roloff, Guillermo J Valenzuela
Cureus. 2023-06-01 - Interest in and Barriers to Telehealth Uptake in an Obstetric and Pediatric Medicaid Population.Mallory Novack, Kristina Roloff, Guillermo J Valenzuela
Cureus. 2022-10-01 - 2 citationsOutpatient Cervical Ripening With Misoprostol in Low-Risk PregnanciesKristina Roloff, Kristina Nalbandyan, Suzanne Cao, C. Camille Okekpe, Inessa Dombrovsky
Cureus. 2021-11-22
Professional Memberships
- Fellow
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: