Meet our providers

Our Provider team is made up of experienced physicians and advanced practice provider with a focus on full spectrum on Woman’s health care. Our dedication to being on the front line of woman’s health is what keeps our patients coming back throughout the different seasons of their lives. Currently have a team of 25 providers, many of who have more than 20 years if experience. We are committed to you and desire to have a long lasting professional relationship.

Office Providers

Dr. Michael R. DeNardis


Dr. DeNardis is one of the founding partners of Osceola OB/GYN (now Woman’s Health Centers), opened in 2007. Dr. DeNardis began his medical career in the Department of Anesthesiology at the University of Michigan. He then spent time in two hospitals, St. John Riverview Hospital and St. John Malcomb Hospital, before relocating to Florida and starting his practice here.

Michael R. DeNardis earned his B.S. in Biology at the University of Michigan before pursuing his graduate studies at Wayne State University. Afterward, Dr. DeNardis attended Kirksville College of Osteopathic Medicine. He performed both his internship and residency in the OB/GYN department at St. John Detroit Riverview Hospital in Detroit.

Dr. DeNardis has presented on complications of abdominal versus vaginal hysterectomies at a community hospital in Lansing, MI. This presentation was for a Statewide Campus System Scientific Research Exhibit in 2006.

Michael R. DeNardis earned his B.S. in Biology at the University of Michigan before attending Wayne State University for his Graduate Studies. Afterward, Dr. DeNardis attended Kirksville College of Osteopathic Medicine. Dr. DeNardis did his internship at St. John Detroit Riverview Hospital and his residency in Detroit at the same hospital in the OB-GYN Department.
Dr. DeNardis has presented on complications of abdominal versus vaginal hysterectomies at a community hospital in Lansing, MI. This presentation was for a Statewide Campus System Scientific Research Exhibit in 2006.

Dr. Mark Palazzolo


Dr. Mark Palazzolo has been a Board Certified OB/GYN since 2005 through the American Board of Osteopathic Obstetricians and Gynecology. He also has his Certified Physician’s License through the National Board of Osteopathic Medical Examiners. Dr. Palazzolo is licensed to practice medicine in both Michigan and Florida; he also has his Drug Enforcement Agency (DEA) licensure. Today he is a partner and physician at Woman’s Health Centers.

Dr. Palazzolo earned his B.S. in Biochemistry from Michigan State University (MSU)-College of Natural Science. Afterward, he pursued his Doctorate in Osteopathic Medicine from MSU’s College of Osteopathic Medicine, then served as Chief Resident at St. John Detroit Riverview Hospital. He started his career as Chief of Obstetrics at Charlotte Women’s Health before starting his Osceola-based practice.

Dr. Palazzolo is a member of the American Medical Association (AMA), American Osteopathic Association (AOA), American College of Obstetricians and Gynecologists (ACOG), and American College of Osteopathic Obstetricians and Gynecologists (ACOOG).

Dr. Veronica Figueroa


Before joining Woman’s Health Centers, Dr. Veronica Figueroa completed her B.S. at the University of Puerto Rico and graduated Magna Cum Laude. She went on to pursue her the University of Puerto Rico’s School of Medicine in 2006. Dr. Figueroa completed her residency at the Ponce School of Medicine in obstetrics and gynecology.

Dr. Figueroa has earned many honors and distinctions, including first place in these categories: Adolescent Pregnancy Demographics and Corresponding Neonatal Outcomes, and Prevalence and Susceptibility of GBS Strains (in two poster presentations). She also presented at the SACNAS Annual Convention, was a student mentor and Former President of UPR – Cayey Honor Studies Program. Her commitment to excellence in education earned her several sponsored trips, awards, and distinctions. This commitment to excellence carries through to her practice today.

Dr. Figueroa has obtained the following licenses: Puerto Rico Commonwealth Provisional Medical License, Florida State Medical License, USMLE Step 1 approved, USMLE Step 2 CK approved, USMLE Step 2 CS approved, USMLE Step 3 approved. She is fluent in Spanish and has a basic proficiency in Portuguese.

Dr. Veronica Figueroa, originally from the Bay area of California, is married with three children. She appreciates the fact that she lives and works in the same community, and often gives health talks at local retirement homes or the Osceola Regional Hospital. In her free time she enjoys photography, cooking, baking, volleyball, sculpture, and crocheting

Dr. Susanne V. Osborne


Originally from Vancouver, British Columbia in Canada, Dr. Osborne has an undergraduate degree in biology from Oakwood College (now Oakwood University) in Huntsville, Alabama. She attended medical school at Loma Linda University School of Medicine in Loma Linda, California.

She spent her residency years specializing in obstetrics and gynecology at Bridgeport Hospital in Bridgeport, Connecticut via Yale School of Medicine. During her time in Bridgeport, she earned the prestigious the Yale Excellence in Teaching Award.

Before moving to Central Florida to be closer to family, Dr. Osborne spent a few years at a women’s health practice in Seattle, Washington, before moving on to work with a physicians’ group at Highland Community Hospital in Picayune, Mississippi. Including her residency, she’s been practicing medicine since 2008.

When asked what made her interested in medicine, and especially becoming an OB/GYN, Dr. Osborne recalls two different stories about her family.
First, she has fond memories of spending time around her uncle’s goat farm. She says that she loved the farm the most in the springtime when all of the baby goats were born.
Dr. Osborne was also motivated to become a doctor by a story of her father’s – that he had a sister who died in childbirth.

Fast forward a few decades from her childhood, and Dr. Osborne has certainly accomplished her goals and helped many women along the way. She says her favorite part of the job is sharing her knowledge with her patients so that they are informed about their bodies and reproductive health. She accomplishes this by making sure that she takes the time to answer her patients’ questions and address any concerns they might have.

Dr. Deborah Spiers


Dr. Spiers, originally from Dearborn, Michigan, is board-certified in obstetrics and gynecology by the American Osteopathic Board of Obstetrics and Gynecology. Dr. Spiers is passionate about providing patient-centered care. She enjoys educating patients about their health and empowering them to make informed decisions regarding their management options. Prior to joining the staff of Woman’s Health Centers, Dr. Spiers was a member of a hospital owned practice located in Kansas City, MO. During her time there, she also enjoyed collaborating with the local midwifery community.

Dr. Spiers received her BA in Biology from Albion College in Albion, MI, where she graduated with Cum Laude honors. While earning her undergraduate degree, Dr. Spiers was an active member in several honor societies, as well as her sorority’s philanthropy. She then went on to earn her Doctor of Osteopathic Medicine degree from the Michigan State University College of Osteopathic Medicine. Dr. Spiers completed her residency training in Obstetrics and Gynecology at McLaren Macomb hospital in Mt. Clemens, MI.

Dr. Spiers has professional affiliations with the American Osteopathic Association, American College of Osteopathic Obstetricians and Gynecologists, and American College of Obstetricians and Gynecologists.

Dr. Spiers is married with 2 young children. She enjoys spending her spare time with family, especially at the beach or the zoo. Her other hobbies and interests include: tennis, golf, and reading.

Dr. Ana Benitez-Prieto


Born and raised in San Juan, Puerto Rico, Dr Benitez-Prieto relocated to upstate New York during high school for freshman and sophomore years. She then returned to her native Puerto Rico, where she completed high school, obtained a Bachelor of Science degree in Biology from the University of Puerto Rico, Rio Piedras Campus, and obtained her medical degree in 2007 at the University of Puerto Rico School of Medicine. She then completed a transitional year program at Damas Hospital in Ponce, PR. For obstetrics and gynecology training, she relocated again to Upstate New York in 2008 to complete her residency at Albany Medical Center in Albany, NY.

After completing residency, she relocated to sunny, warm Florida practicing in Indian River county until joining Woman’s Health Center in late 2016 in Seminole county.

Dr Benitez-Prieto has a special interest in breast feeding, having completed her residency research project on resident breast feeding education. She presented her findings as a poster presentation at the Association of Professors for Obstetrics and Gynecology annual meeting in Phoenix, AZ in 2013. Her other clinical interests include high risk obstetrics and contraception. She is board certified by the American College of Obstetrics and Gynecology.

Dr Benitez-Prieto is married and a mom to two young boys, as well as stepmom to a teenage girl. In her spare time, she enjoys playing with her sons, playing World of Warcraft with her husband, and crafting with her Cricut machine. She enjoys Star Trek over Star Wars and she is a native Spanish-speaker.

Dr. Michelle S. Ozcan


Dr. Michelle Stalnaker Ozcan is Board Certified from the American Board of Obstetrics and Gynecology. She currently serves as an Assistant Professor at the University of Central Florida College of Medicine and the Residency Program Director for General Gynecology in the Department of Obstetrics and Gynecology. She completed her residency at the University of Florida College of Medicine in Jacksonville, Florida. She also spent time at the University of North Carolina School of Medicine and completed her Bachelor of Science in Psychobiology with a minor in Biology at Florida Atlantic University.

Dr. Ozcan has presented at the University of Florida College of Medicine on Clinical Competency in 2014 and 2015. She has also presented at the Association of Professors in Obstetrics and Gynecology (APGO) Faculty Development Seminar. She specializes in Pediatric and Adolescent Gynecology.

Dr. Ozcan is married with a 3 year old son and in her free time she enjoys crafting and excellent. She originally hails from North Carolina and settled in Florida over a decade ago.

Dr. Margarita Olivares


Dr. Margarita Olivares was born in Mexico City, Mexico. She came to Woman’s Health Centers in 2017 and is Board Certified from the American Board of Obstetrics and Gynecology (ABOG). She is also affiliated with the American College of Obstetrics and Gynecology (ACOG).

Before coming to Woman’s Health Centers, Dr. Olivares received her Bachelor of Science degree from University of Puerto Rico and moved on to receive her Medical Degree in 2001 from University of Puerto Rico, as well. She then went on to Columbia University College of Physicians and Surgeons, St. Luke’s Roosevelt Hospital in New York, New York. From there she resided in and worked in the New York area until she relocated to Orlando.

Dr. Olivares is fluent in both English and Spanish.

Dr. Joseph Stewart

Dr. Stewart studied Biology at the University of Akron, attended Medical School at Wright State University School of Medicine in Dayton Ohio, and did his residency in Obstetrics and Gynecology at Akron General Medical Center in Akron Ohio.  He has been Board Certified in Ob/GYN since 1995. He joined a group of Obstetricians and Gynecologists directly out of residency 1993 and built a thriving practice in Rockford Illinois and served that community for 25 years.  He has been a part of approximately 4,000 deliveries and has had a front row seat in observing the evolution of his specialty from relatively primitive laparoscopy to highly advanced Robotic surgery.

Dr. Stewart’s career has emphasized minimally invasive surgical technique and the pursuit of safer surgeries and faster recoveries.  His professional interests include Robotic Gynecologic Surgery and Enhanced Recovery Protocols that allow patients the very best experience in surgical recovery.

Dr. James Sorensen

Coming soon….

Dr. Kanisha Sierra-Rios

Dr. Sierra-Rios was born and raised in Bayamon, Puerto Rico, as the youngest of four girls in a close-knit family. She received her Bachelor of Science Degree in Biology from the University of Puerto Rico in San Juan. She attended Ponce School of Medicine for her medical degree and the University of Puerto Rico School of Medicine to complete her residency. During her residency, she was awarded “Recognition of Excellence on Minimally Invasive Surgery” by the American Association of Gynecologic Laparoscopists.
While working in the Hospital San Pablo in Bayamon, Dr. Sierra-Rios noticed extremely high cesarean sections rates and saw a need for the humanization of the delivery process. Her flagship project was the Humanized Birth Program, which focused on decreasing the C-section rate. This was accomplished through empowering pregnant patients who previously had no input regarding their care, and also by adding doulas to the OB team, so patients had additional advocates.
Dr. Sierra-Rios considers it a privilege to care for women throughout all the stages of their life. Having the opportunity to be a surgeon and a primary care physician allows her to provide exceptional care for her patients.

In her personal time, Dr. Sierra-Rios enjoys spending time with her husband of nine years, Jose. They enjoy the beach, golfing, traveling, music, food, and spending time with their friends and family.

Dr. Brittany Calvanelli, PA-C

Coming soon….

Dr. Lesley Randoll

Coming soon….

Dr. Paola Garcia, PA-C

Paola Garcia Rios, PA-C MPAS is a board certified Physician Assistant by the National Commission of Certification of Physician Assistants (NCCPA). She is originally from San Juan, Puerto Rico but relocated to Tampa to continue her medical education. Paola graduated in 2017 with her Bachelor’s of Public Health at the University of South Florida. She then went on to receive her Master’s of Science in Physician Assistant Studies from Gannon University.

During her undergraduate studies, Paola worked in Obstetrics and Gynecology for over four years, gaining knowledge and background in the field. She also enjoyed volunteering in women’s free clinics. In 2018, Paola traveled to India where she helped other physicians and students specializing in obstetrics provide care to underserved communities.

Paola is currently a member of the American Academy of Physician Assistants and the Florida Academy of Physician Assistants. She is very excited and eager to make lasting connections with her patients by providing a welcoming environment, thorough visits, and valuable education. Paola is extremely passionate about women’s health and providing personalized care to each of her patients.

When Paola isn’t in the office she enjoys spending time with her family, her dog Rocco, and traveling!

Dr. Bartlett

Dr. Bartlett received her undergraduate degree from the University of Michigan-Dearborn with a major in biology and minor in psychology and received her Osteopathic Medicine degree from Michigan State College of Osteopathic Medicine.  She completed her Obstetrics/Gynecology residency at Botsford Hospital in Farmington Hills, MI in 1998 (now currently known as Beaumont Hospital) and she remained on staff at Botsford Hospital as an attending physician and resident trainer. During that time period she became board certified in Obstetrics and Gynecology.  In 2002 she relocated to Marshall, Michigan and became a partner in a private practice which was composed of multiple physicians, physician’s assistants and midwives and remained there for 18 years. During this time period she also became board certified in Obesity Medicine in 2015. In March 2021 she relocated to a private practice in Ocala, Florida which was composed of one other physician and three nurse practitioners and remained there until October 2022.  In November 2023 she joined the Woman’s Health Centers in Oviedo, Florida as an attending physician and then became one of their full time laborist physician’s in January 2023 at Oviedo Medical Center.