Our Office Staff
The best office staff there is!
Diane Guerrero, R.N.P. (Women's Health Nurse Practitioner) Diane is married to Donald, and they have 2 daughters, Dawn and Dena (they like the letter D). She has a pet Akita dog named Kai. Her personal interests include arts and crafts, gardening, she’s especially proud of her more than 100 plumeria plants and she loves shopping at Michael’s and Home Shopping Network. | ||
Marina Jick, B.S., R.N., Licensed Aesthetician Marina’s offerings include Laser and IPL Hair Removal, Botox® Cosmetic, Juvederm® XC Dermal Fillers (now, with lidocaine!), Photo Rejuvenation (PhotoFacials, OmniLux® Phototherapy), Adult and Teen Skin Care (European Spa Facials, Designer Peels, MicroDermabrasion, Dermaplaning), Spider Vein Removal and Professional Massage Therapy. Marina's Oasis also carries professional skin care lines: Jan Marini® Skin Research, La Roche-Posay®, Latisse®, SkinCeuticals®, Vivite® and Clarisonic® (Pro, Mia, Opal). Marina will meet with you for a complimentary consultation to develop a personalized program to closely suit your physical, emotional and financial needs. She can be reached at 626.MY OASIS (626.696.2747) or marina@marinasoasis.com. | ||
Martha Caravantes, Office Manager Martha comes from a family of 9 children. She helped take care of her younger siblings as they grew up. Martha has 2 grown daughters, and along with one of her daughters, likes to paint wall murals. In her free time, Martha likes to be with her family. Martha has a very proactive and engaging personality. She is a hard worker, and she loves taking care of patients. You can count on Martha to always put her best effort forward as she manages our practice and helps our patients! | ||
| Rachel Hansen, RDMS, Ultrasound Technologist Rachel knows the buttons on our ultrasound machine like a concert pianist knows the keys of a piano! Rachel is married and has 3 stepchildren and a new step-grandchild! Rachel also creates custom hula hoops and studies hoop dancing (she has even done a hula hoop FIRE DANCE!) | |
Griscelda Lopez, Receptionist Griscelda is married to Pablo and they have two sons, Daniel and Diego. In her free time, Griscelda likes to be with her extended family, going to the beach or on picnics. This can be quite a large group because Griscelda has 10 sisters and 4 brothers! | ||
Claudia Delgado, Medical Assistant/Back Office Supervisor Claudia enjoys the bonds that she has been forming with patients over the years. She loves seeing the joy when a patient becomes pregnant, all the way through the pregnancy’s ups and downs, to the proud visits of new moms, showcasing their adorable newborns! Claudia enjoys outdoor recreation, especially fishing, jet skiing, and other water sports. Claudia has a pet dog, part pit bull, named Kahlua, and she loves anything to do with dolphins (the sea mammal, not the football team). | ||
| Johanna Quiroz, Medical Assistant She has a daughter, Mariah, and Johanna says that she really enjoyed her pregnancy. She loves going to the park with Mariah where they have picnics together. | |
| Maral Nigoghossian - Back Office Assistant Maral loves to cook … Armenian food, Chinese, Italian, you name it. She also bakes a great vanilla and chocolate marble cake. She spends a lot of time with her family and friends and she has 9 god-children! | |
Christine Robinson, Receptionist Christine has a brother who works in Washington DC. She is also a dancer, and has studied jazz, ballet and tap dancing since she was young. We’re very happy to have Christine working here with us. | ||
Christy Martinez, EMR Specialist | ||
| Hilsin Villarreal, Medical Assistant Hilsin has a son whom she enjoys spending time with. She also likes discovering new places, new foods, being with people and she especially enjoys nature and the outdoors. | |
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| Margaret Arriola, Receptionist She is married to Art, and they have 2 teenage sons. They love to travel and enjoy outdoor activities. Margie also likes cooking, baking and going to the gym and she volunteered to make the coffee every morning! We welcome her as our newest staff member. Margie will be the first person you see when you come to our office! | |
| Dena Guerrero |








