Our Providers

Mahasti Ardekani-Purzand, PA:
Mahasti Ardekani-Pourzand, Physician’s Assistant (PA) is an experienced provider whose past positions includes working in Urgent Care and Family Medicine practices. She has also done research in Alzheimer ’s disease at the VA Aging Clinical Research Center. Mahasti attended medical school in Ghazvin University of Medical Science in Iran and graduated from UC Davis with her PA degree. Mahasti has an interest in the improved health of patients who have diabetes through comprehensive health education to support blood sugar control. She also works with patients to help improve overall health by instilling valuable health education centered on prevention methods, vaccination, and medication adherence.

Richard Beaulieu, PhD, PNP-BC:
Richard Beaulieu, PhD, PNP-BC has many years of clinical experience practicing with all age groups from newborn to college-age patients. Richard’s educational background includes a Master’s degree from Yale and a Doctorate Degree from UCSF. Richard has worked with economically disadvantaged population and diverse ethnicities from the Dominican Republic in New York. Prior to Tiburcio, Richard worked at the Children’s Aid Society in South Bronx. Richard has studied and taught at San Francisco State University, UCSF, Columbia University and Yale. Richard splits his time at TVHC between our school based sites and our San Leandro clinic.

Livier Bejinez, FNP:
Livier Bejinez, Family Nurse Practitioner (FNP), was trained at UCSF. Livier is a native Spanish speaking provider who has a deep commitment to community health. She spent several years working with migrant students and their families. Livier has worked as a teacher, researcher, health coach and as a hospice companion. Livier is committed to making a positive impact on the health and wellbeing of individuals and in the community.

Inderjeet Bhamra, DPM:
Dr. Bhamra received her bachelor’s degree from University of California Los Angles. She is a graduate of CSU-East Bay and received her Doctor of Podiatric Medicine from New York College of Podiatric Medicine. Dr. Bhamra completed her residency at Staten Island University Hospital: Long Island Jewish North Shore. Dr. Bhamra is a member of the American Podiatric Medical Association. She is fluent in Punjabi and Hindi.

Rahel Ruiz, MD:
Dr. Ruiz is a board certified Internist and a graduate of Harvard medical school. She completed her residency in Internal Medicine at Highland hospital. Prior to coming to Tiburcio, Dr. Ruiz was in solo practice with a large geriatric patient population. Dr. Ruiz speaks Russian and Spanish, and enjoys spending time with her family.

Madhur Bhatnagar, MD, OB/GYN:
Prior to coming to Tiburcio, Dr. Bhatnagar served the Santa Clara County population for more than 10 years. She is very active in community service Dr. Bhatnagar helps to organize community health fairs, and has been the director of a summer internship program for preclinical students Dr. Bhatnagar is highly regarded and has received outstanding accreditations for her medical care and volunteer activities.

Sara Chavez, FNP:
Sara is a graduate of CSULA where she obtained her Master’s in Nursing. Prior to that, she earned her Bachelor’s degree in Molecular, Cellular, and Developmental Biology from Yale University. Sara is a Family Nurse Practitioner who is fluent in Spanish. She is dedicated to, community health, and wants to give back to the community she grew up in. Sara is the recipient of the national Health Resources and Services Administration Scholarship for Disadvantaged Students and the recipient of the Kaiser Permanente Deloras Nursing Scholarship. She is a member of Sigma Theta Tau International, a nursing honor society.

Joan Flores, FNP: Joan Flores hails all the way from San Leandro, CA. She received her Masters of Science in Nursing with an emphasis on Adult Women’s Health Nurse Practitioner from Yale University School of Nursing. Joan’s professional experience includes working at Planned Parenthood Shasta Pacific as well as at Stanford Health Care. Joan enjoys spending most of her time with her daughter and friends. Her hobbies include cooking, hiking, and salsa dancing. Joan also has a green thumb; she has over 100 indoor plants.

Caitlin Lawson, MSN, APRN, FNP-C.:
Caitlin’s experience includes working at the HRC Fertility where she monitored and stabilized patients post anesthesia. She also worked at Stanford University School of Medicine where she taught human anatomy to students as a teaching assistant. As a recent newlywed, Caitlin enjoys hiking, traveling and watching movies with her husband. She is currently studying Spanish and dabbles in yoga.

Roberto Diaz, MD, OB/GYN:
Dr. Diaz is an OB/GYN who had his own practice for over 16 years. Dr. Diaz is fluent in Spanish. He received his medical degree from Universidad Central Del Caribe School of Medicine Bayamon in Puerto Rico. Dr. Diaz holds a psychology degree from Columbia University in New York. He is certified by the Comprehensive Perinatal Services Program and is on several Quality Assurance Committees at Mills Peninsula Medical Center. Dr. Diaz also a very active member of his community.

Olga Kashlinskaya, MD:
Dr. Kashlinskaya is a licensed Pediatrician and is certified by the American Board of Pediatrics. She received her medical training in Moscow, Russia and did her residency at St. Joseph’s Children’s Hospital in Paterson, NJ. Dr. Kashlinskaya believes that all children deserve quality health care regardless of their origin or social status. She has made it her personal mission as an physician to help others, especially children, to overcome illnesses and grow up healthy and strong. During her free time “Dr. Olga”, as she is known by her patients, enjoys reading, listening to music and traveling.

Parveen Kaur, MD:
Dr. Kaur is a family medicine provider who obtained her education form MBBS Lady Hardinge Medical College in New Delhi. She completed her residency at Mercy Medical Center in Des Moines, IA. Dr. Kaur is experienced in pediatric care, preventative care, and women’s health. At Tiburcio, Dr. Kaur is the AssistantMedical Director for Adult medicine and oversees the Hepatitis C program. In addition to being an excellent provider, Dr. Kaur enjoys scrapbooking and spending time with her family.

James Kravetz, DO:
Dr. Kravetz received his Bachelor’s degree from Tulane University, his masters from the University of Texas Medical Branch and his medical degree from University of North Texas Health Science Center(UNTHSC). He was in solo family practice in north Texas for 36 years, while also serving a clinical associate professor at the UNTHSC. He is board certified in Family Medicine. Upon moving to the Bay Area, Dr. Kravetz joined TVHC; where he is the Associate Medical Director for Adult medicine.

Wesley Lashbrook, PA:
Wesley is a graduate of Samuel Merritt University. He received his Masters in Public Health with an emphasis on community planning. His interests are in diabetes, LGBT QI health, nutrition, and youth physical fitness. Wesley participated in an innovative state wide program which trained clinicians on enhancing patient-clinician communication and optimizing the patient-clinician partnership. Wesley applies this training to his care management and treatment of his patients.

Moriah Oxnard, MSN:
Moriah comes to us from New York City, where she practiced at Mount Sinai Hospital. Moriah completed her residency at Columbia Presbyterian Hospital, in an Infectious Disease Outpatient Clinic. She graduated from Columbia University School of Nursing with her Masters and Sub-specialty in HIV Care and Management. She is bilingual in English and Spanish. Outside of work, Moriah enjoys gardening and cooking with her family.

Porshia Mack, MD, MBA:
Dr. Mack began her career in pediatric medicine at Brookdale University Hospital and Medical Center, in New York. As a pediatric ER attendant, she oversaw pediatric care initiatives, and managed Pediatric and Emergency Medicine residents. To this day Dr. Mack continues to serve as a hospitalist/urgent care attendant at UCSF Children’s Hospital in Oakland.Dr. Mack’s volunteer experience includes two stints in South America (Colombia and Guatemala) serving as a volunteer physician for Medical Relief Mission. She also volunteered as a reading tutor for Reading Partners, a literacy program that operates in low-income neighborhoods.

Dr. Mack received her medical degree from the University of Kansas School of Medicine, and was awarded a B.A. in psychology from Stanford University. She also earned her MBA from the University of San Francisco.

Dr. Mack is a member of the American College of Physician Executives, the American Academy of Pediatrics and the National Medical Association.

Norma “Adriana” Monroy, PA:
Adriana comes to TVHC from Samuel Merritt University where she graduated from Physician Assistant School. She speaks Spanish and English and loves to help patients achieve their healthcare goals. Adriana closely monitors her patients as they pursue healthier lifestyles. Adriana is a native Spanish speaker who was born in Mexico and grew up in LA. She enjoys working with Spanish speaking patients. Adriana’s hobbies include soccer, running, hiking, playing with Lima (her dog) and wining and dining throughout the world.

Alexandra Rodriguez, PNP:
Ali, as she likes to be called, graduated from Yale University where she obtained a Masters of Science in Nursing. Ali’s training includes caring for children in community health centers, hospitals, school-based clinics, youth camps, and private practice. Ali has a knack for building a quick rapport with children and their parents. She speaks Spanish and has a special interest in providing lactation support to new moms.

Melissa Rose, MD, MPH, FAAP:
Dr. Rose is an experienced pediatrician who comes to Tiburcio after years in private practice. She graduated from Tulane University School of Medicine in New Orleans Louisiana and completed her pediatrics residency in Weill Cornell University Medical College in NY, NY. Dr. Rose is a Board Certified Pediatrician who is dedicated to the health and well being of children.

Suzanne Seger, RN, MTS, CNM:
Suzanne comes to TVHC via school of medicine’s Department of Maternal and Fetal Medicine. She teaches midwifery at UCSF to both nurses and doctors. She has earned her undergraduate and master’s degrees at the University of Pennsylvania in Philadelphia. She also holds a master’s in comparative religion from Harvard University. Suzanne is bilingual, English and Spanish, and is interested in issues that are related to Intimate Partner Violence and Abuse (IPVA), health disparities, immigrant health, linguistic competencies, as well as medical education.

Dr. Ankita Shrivastava, MD:
Dr. Shrivastava attended Woodhull Medical and Mental Center which is affiliated with New York University’s School of Medicine. Dr. Shrivastava has worked with the California Lung Associates in Los Angeles and was the Medical Officer at Kanti Children’s Hospital in Kathmandu, Nepal. Dr. Shrivastava is certified with the American Board of Internal Medicine and the Educational Commission for Foreign Medical Graduates. Dr. Shrivastava is fluent in English, Hindi and Nepali. She has a limited working proficiency in Spanish.

Roxana Stancescu-Popescu, MD:
Dr. Stancescu-Popescu is a full-time physician in our pediatrics department. She completed her residency at New York Methodist Hospital where she also served as chief resident. Dr. Stancescu-Popescu enjoys working with diverse patient populations and is fluent in Romanian and English, as wells as speaking medical Spanish. Dr. Stancescu-Popescu interests are academic pediatrics and mentoring medical students and residents.

Patricia Stewart, RN, MSN, CNM, CFNP:
Pat is an experienced in Women’s health clinician. Pat has a B.S. in Nursing, Masters in Psychological Counseling and Guidance, and a Master’s of Science in Community Health Nursing. She is fluent in both written and oral Spanish. Patricia’s accomplishments reflect her passion and commitment to providing women’s healthcare services.

Dental Providers

Catherine Suh , D.M.D:
Dr.Suh is passionate about serving low-income populations, because she believes every person should have access to quality care. She has been providing dental services to underserved communities since graduating from Tufts University School of Dental Medicine in 2010. Prior to dental school, she performed research at the Forsyth Institute, shortly after obtaining her Bachelor of Arts degree from Wellesley College in 2004. Dr.Suh has been with Tiburcio Vasquez Health Center since 2014. She has also worked at Petaluma Health Center for over 3 years, working with patients from different cultures and backgrounds. Her work experiences have only ignited her passion to empower, educate, and provide quality dental services to those in need.
Jacob Pai , D.D.S:
Jacob Pai is an experienced dentist, who has practiced in both the private and community health center setting. He went to dental school at UCSF, for both his clinical and dental public health education. He believes that good oral health is an important part of overall health and enjoys providing dental care, alongside medical providers, at Tiburcio Vasquez. Dr. Pai cherishes the opportunity to go on international mission trips, with recent trips to Africa and the Philippines. He was born and raised in Hawaii but has spent most of his life in California; he loves both States!
Andrew Dinh ,D.D.S:
Dr. Andrew Dinh is an experienced general dentistry provider. He graduated dental school at the University of Southern California, and completed his Advanced Education in General Dentistry residency at the University of California, Los Angeles. He improves the oral health of the community by providing comprehensive dental care through education, prevention, and treatment of dental diseases.
Sridevi Ponnala Chief Dental Officer/ Executive Vice President:
Sridevi Ponnala is born and raised in India. She is an International dentist and graduated from UCSF school of Dentistry with Doctor of Dental Surgery in 2004. She passionate about advocating and providing quality dental care to those who need it the most. Dr. Ponnala joined TVHC in 2010 and over the past 7 years she has been playing an integral role in development and expansion of the dental program. Dr. Ponnala believes in mentoring and educating young clinicians in providing culturally sensitive care and minimally invasive dentistry. She has carried this love of teaching with her to TVHC and has worked to create partnerships with dental schools and Chabot hygiene program, so that the students can complete their rotations while performing much needed services and gaining cultural competency. Dr. Ponnala is actively involved with local, state and national dental organizations. She served as a Chair of the California Dental Director Peer Network. She is currently serving on Hayward Rotary board and always looking for way to serve the community. Dr. Ponnala practices general dentistry and welcomes patients of all ages. She believes that the provision of quality dental care has positive effects on patients’ overall health and quality of life. Aside from spending time with her family, in her free time, Dr. Ponnala enjoys cooking, traveling and hiking.
Iveta Markova-Mitev, DDS:
Dr. Iveta Markova-Mitev was born and raised in Europe. She moved to the U.S. in 2004 to obtain her Bachelor Degree in Science and received departmental Honors from University of California, Los Angeles. Pursuing her dream of becoming a dentist, Dr. Markova earned her DDS degree from the University of California San Francisco, School of Dentistry. She developed passion for working with children while mentoring elementary school students, conducting pediatric dental research focusing on caries prevention and volunteering on a mission trip to Jamaica. She continued her three years of pediatric dentistry training at UCSF and obtained a Master of Science in Oral and Craniofacial Biology. During residency at UCSF, Dr. Markova’s commitment to serve the community continued through her leadership role as a Chief of Community and Global Outreach.
Dr. Markova is compassionate to provide quality care unique to each child in a fun and welcoming environment. In her spare time, she loves to practice yoga, dance, cook and travel with her husband and a four-year-old son, Martin.
Eunice Dizon, DDS:
Eunice Dizon has served as a General Dentist at Tiburcio Vasquez Health Center, Inc. since 2010. After receiving her DDS from New York University College of Dentistry, she completed a one year residency program at Dugoni School of Dentistry at the University of the Pacific (UOP). Through the Advanced Education in General Dentistry (AEGD) program at UOP, Dr. Dizon did her Community Health rotation at La Clínica Fruitvale in Oakland, where she gained experience and exposure to community dentistry. Dr. Dizon believes a career in community health offers one the ability to help both individuals and communities through work at the health center.
Garrett Tien, DDS:
Dr. Tien was born and raised in the East Bay and is grateful to call the Bay Area his home. He attended college at UC Berkeley where he received his Bachelor of Arts degree in Physiology. Upon graduation, Dr. Tien worked for several years as an Operating Room Technician and was a member of the trauma team at UCSF and San Francisco General Hospital. It was during this time, that he found his passion to be a clinician and decided on the path of dentistry. He obtained his Doctor of Dental Surgery from the prestigious University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco, California. “The East Bay is a wonderful community to be practicing in and my goal is to give back to the community that has given me so much. I hope to offer my patients the highest quality of care and to also educate them on the importance of oral health and its link to the health of the entire body. I hope to not only inspire my patients to have healthier smiles but to also lead healthier lives.” – Dr. Tien
Alaleh Zadmehr, DDS:
Dr. Alaleh Zadmehr has been practicing pediatric dentistry for 9 years. She has worked in community clinics, in California and Texas, for most of her career. Dr. Zadmehr graduated from the UCSF School of Dentistry in 2008 and focuses on improving the oral health of children, who have suffered from extensive dental decay. Dr. Zadmehr’s priority is prevention. She spends time educating her patients’ parents about the importance of oral health, oral hygiene and nutrition counseling. She worked with Medical Missions for Children to open a dental clinic in Gitwe, Rwanda, a village that, previously, had no access to dental care. She has also volunteered many hours at free dental clinics in San Mateo and Redwood City. Dr. Zadmehr believes that all children deserve to be healthy and happy and should not go through extensive dental treatments.

Optometry Providers

Ziba Amed:
Dr. Ziba Amed received her Bachelor of Science degree from University of California Irvine and her doctor’s degree from University of California Berkeley School of Optometry. Her main goals as an optometrist is to educate the public of the importance of routine eye exams and to contribute to the health of her community. She enjoys spending time with her 2 toddlers, listening & dancing to music, and outdoor activities.

Behavioral Health Providers

Hilary Meu:
Hilary Meu is a Licensed Clinical Social Worker who was born and raised in the east bay. She graduated from UC Berkeley with a Bachelor degree and was part of the women’s crew team. She worked in Outdoor Education for many years leading trips throughout California, Alaska, Costa Rica, and Tanzania. She came to mental health because she saw the value of using the outdoors as a platform for change and began working in Wilderness Therapy. After obtaining a Master in Social Work degree from Cal State East Bay, she worked with the Transitional Age Youth (ages 18-25) with severe mental health diagnoses.
David Nettles:
David Nettles is a Licensed Clinical Social Worker that has worked with children and adults through providing individual and family therapy. David has worked with youth and parents within the child welfare system and adults diagnosed with an intellectual disability to improve their overall mental health and identify alternative methods to cope and navigate through life. David earned a master’s degree in Social Work from San Francisco State University in Social Work and two bachelor degrees in Sociology and Psychology from Holy Names University.
Soomie Kim:
Soomie Kim is a Licensed Clinical Social Worker that has worked with adults and senior patients in acute hospital settings, adult day health care, and hospice providing brief counseling, grief support, caregiver support, and case management. Soomie earned her master’s degree in social welfare from UCLA and her bachelor degree in Sociology from UCLA.