Luisa Vera, MD

Luisa Vera, MD

We would like to welcome Dr. Luisa Vera to the Centre OB/GYN family!  Dr. Vera completed her Bachelor of Science from the University of Notre Dame and earned her medical degree at the University of Florida College of Medicine.  She completed her residency training in obstetrics and gynecology at Indiana University School of Medicine where she was awarded the 2020 American Society for Colposcopy and Cervical Pathology Resident Award as well as the prestigious Jennie L. Batson Award for outstanding clinical care.

Dr. Vera was born in Lima, Peru, but grew up with her family in Orlando, Florida. She is fluent in both Spanish and English and is committed to providing quality and personalized care to all women of all ethnicities, races, religion, gender identity, sexual orientation, ancestry, and physical abilities. She has always loved obstetrics and caring for women throughout their pregnancies and delivering babies, as well as providing gynecological and preventative medical care.

Dr. Vera has explored many of the trails in North Carolina with her goldendoodle, Rosie, and her fiancé. She is an avid Peloton rider and enjoys staying active. Finally, she loves being back in the Southeast, not only for the warm weather and amazing food, but the wonderful people she has met along the way.



Arlene Pak, MD FACOG

Arlene Pak, MD FACOG

Dr. Arlene Pak joined our practice in August 2017. She completed her undergraduate studies at the University of Hawaii at Manoa and earned her medical degree at the Boston University School of Medicine. Dr. Pak completed her residency training in obstetrics and gynecology at Duke University School of Medicine.

Dr. Pak has a passion for caring for women throughout their lives and finds helping women through their pregnancies and welcoming healthy babies into this world to be most rewarding. She believes in preventative healthcare and empowering women to be active participants in their overall health and wellbeing.

Even though Dr. Pak was born and raised in the paradise state of Hawaii; after relocating to North Carolina for her residency, she fell in love with our great state and decided to make it her forever home along with her husband, 2 children, and the family beagle Rocky.


Arlene Pak

Robert Littleton, MD

Robert Littleton, MD

Robert Littleton, M.D. attended the University of North Carolina as a John Motley Morehead Scholar after which he received his medical training at the University of North Carolina School of Medicine.  He and his wife, Becky, then moved to Winston-Salem where he completed his residency in Obstetrics and Gynecology.  They have since resided in Raleigh, NC where Dr. Littleton continues his medical practice with particular interest in women’s health, osteoporosis, laparoscopic surgery and high-risk obstetrics.

He has served as the President of the Medical Staff at Rex Healthcare, multiple roles on the Executive Committee of the North Carolina OB/GYN Society including President, and was named the 2000 Wake County Physician of the Year by Occoneechee Council, BSA.  Outside of medical practice, Dr. Littleton speaks to medical and lay audiences on the topics of osteoporosis and hormone replacement therapy.  He enjoys fishing, travel, camping and scouting activities.  The Littletons’ have 3 children.


Robert Littleton

Patricia Heasty, WHNP

Patricia Heasty, WHNP

Patricia Heasty is a native of Janesville, Wisconsin. She attended the University of Wisconsin School of Nursing at Eau Claire, Eau Claire, WI where she received a Bachelor’s of Science Degree in Nursing. Patricia then completed the Women’s Health Nurse Practitioner program at the Vanderbilt University School of Nursing in Nashville, TN where she received a Master’s of Science Degree in Nursing.

She has lived and worked in Raleigh since 1999.



Jerome Gardner, MD

Jerome Gardner, MD

Jerome Gardner, M.D., a Rocky Mount, NC native, received his B.S. from East Carolina University. Dr. Gardner earned his Medical Degree from East Carolina University School of Medicine and his specialty training in Obstetrics and Gynecology at Pitt County Memorial Hospital, in affiliation with East Carolina School of Medicine.

He is married to Marie Whitehurst, a Plymouth, NC native, and they have two children. He enjoys golf, water sports, and bowling.


Jerome Gardner

Ann Collins, MD FACOG

Ann Collins, MD FACOG

Dr. Ann Collins began practicing with Centre OB/GYN in 1995. She has a bachelor of science from Duke University and earned her Medical Degree at Duke University School of Medicine. She graduated from Duke Magna Cum Laude. Dr. Collins completed her residency training in obstetrics and gynecology at Vanderbilt University in Nashville, TN.

As a native of Elm City, Dr. Collins is committed to providing quality healthcare to women in North Carolina. She has always been a science person who is fascinated by human development and sees the human body as the ultimate “machine”.

In 2019, Dr. Collins became the first woman to serve as chair of the UNC REX Healthcare board. Additionally, she has served as chair of the UNC Rex Ethics Committee and the Medical Executive Committee.

Dr. Collins is an avid college basketball fan who enjoys watching and attending games with her husband and two sons. When not in the office or at the hospital, she enjoys relaxing at the beach with friends and family.


Ann Collins

Erika Clark, MD FACOG

Erika Clark, MD FACOG

Dr. Erika Clark joined Centre OB/GYN in 1999. She completed her undergraduate studies at Johns Hopkins University and received her Medical Degree from the University of Pittsburgh School of Medicine. Dr. Clark completed her residency training in obstetrics and gynecology at Henry Ford Health Systems in Detroit, MI.

A native of Detroit, MI, Dr. Clark has been providing quality healthcare to women in the Midwest, Northeast, and Southeast areas since 1995. Having moved to North Carolina in 1997 to provide Ob/Gyn care in a rural area as part of the National Health Serves Corp., she understands the unique challenges women in our communities’ face on a daily basis and works to improve their health and the health of their families.

When not at home spending quality time with her husband, family, and friends, Dr. Clark is traveling with her daughter to competitions across the Southeast.


Erika Clark

Tanniesha Barlow, MD FACOG

Tanniesha Barlow, MD FACOG

Dr. Tanneisha Barlow has been practicing medicine since 2005 and joined our practice in July 2007. She received her bachelor’s degree in kinesiology from the University of Michigan and earned her Medical Degree at the Michigan State University College of Human Medicine. Dr. Barlow completed her residency in obstetrics and gynecology at the Indiana University School of Medicine.

Dr. Barlow is committed to promoting preventive healthcare for women of all ages and ethnicities and strives to educate women about healthy behaviors that support healthy living. She currently serves as the vice chair of the OB Department at REX hospital. Additionally, Dr. Barlow is a part of several other UNC Rex committees including; Performance Improvement, Perinatal Quality, and Standing Orders.

Having grown up in a military family, she spent her childhood living abroad. Dr. Barlow is a fitness enthusiast who enjoys spending time with her two children and traveling to new places.


Tanneisha Barlow

Patient Portal

Our Patient Portal will allow meaningful patient engagement with a variety of tools, empowering our patients to better manage their health care.

*New patients must register with our office before using the patient portal.

Request an Appointment

(919) 788-4444

Joint Statement

A commitment from Centre OB/Gyn, ABOG, ACOG, and others dedicated to Women’s Health, Obstetrics, and Gynecology addressing racism in healthcare

As our nation confronts systemic racism and consequences of persistent inequities and disparate outcomes in health care, our organizations—which include the leading professional organizations in the fields of obstetrics and gynecology—are committed to changing the culture of medicine, eliminating racism and racial inequities that lead to disparate health outcomes, and promoting equity in women’s health and health care. Our commitment to a better future requires an honest examination of the past and the present.

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COVID-19 UPDATE

Due to the current COVID-19 pandemic, our policies and restrictions are being updated frequently.

We are once again offering all services in both our Raleigh and Holly Springs locations. As always, our patient’s health and safety are a top priority, especially during this challenging time. Our office is taking several steps to ensure all Federal, State, and Local safety measures are adhered to. This includes:

  • Screening all patients upon arrival
  • Requiring masks be worn over the nose and mouth at all times throughout the appointment
  • Modifying schedules to allow for social distancing
  • Requiring patients attend appointments alone; no visitors or children allowed at this time
  • Continuing to offer telehealth (telemedicine) appointments when applicable to existing patients

If you have an appointment and have COVID-19, have symptoms of COVID-19, or are concerned you may have been exposed to COVID-19 within the past 21 days, please call our office at 919-788-4444 for instructions. We may reschedule, adjust, or convert your visit to telehealth.

Our office supports the vaccinating of all patients against COVID-19, including pregnant and lactating women. For more information please visit the American College of Obstetricians and Gynecologists (ACOG) or the North Carolina Department of Health and Human Services (NCDHHS).

For questions or concerns regarding COVID-19 symptoms, testing, vaccinations, or updates, please visit the NCDHHS or call the UNC Helpline at 888-850-2684.

For latest developments including COVID-19 vaccine information:

CDC NCDHHS ACOG