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Our Healthcare Team
  Marilyn J. Vanover, M.D., F.A.C.O.G.

Debra J. Williams, M.D., F.A.C.O.G.

Michelle Villa-Olvera, M.D., F.A.C.O.G.

Jane Shows Atkerson, M.D., F.A.C.O.G.

Susan P. Novak, M.D., F.A.C.O.G.

Berit Gissell, MSN, WHNP

Sherrie Carter, MSN, WHNP

Marilyn J. Vanover, M.D., F.A.C.O.G.

Education
1975 Michigan State University, East Lansing, Michigan - Bachelor of Science, Zoology
1981 Wayne State University School of Medicine, Detroit, Michigan - Doctor of Medicine

Post Doctoral Training
1985 University of Texas Health Science Center, San Antonio, TX - OB/GYN Residency

Board Certification
1987 American College of Obstetrics and Gynecology - Fellow

Practice Locations 502 Madison Oak Dr., San Antonio

Personal
Dr. Vanover is married to Dr. Randall Vanover, an internist, and they have two children. They like to travel and snow ski. Their weekends are often spent at their second home in Fredericksburg.


Debra J. Williams, M.D., F.A.C.O.G.

Education
1984 Texas A&M University, College Station, TX - Bachelor of Science, Biochemistry
1988 University of Texas Medical Branch, Galveston, TX - Doctor of Medicine

Post Doctoral Training
1989 University of Wisconsin- Mt. Sinai, Milwaukee, Wisconsin - Internship
1992 University Of Texas Medical Branch, Galveston, TX - OB/GYN Residency

Board Certification
1998 American College of Obstetrics and Gynecology - Fellow

Practice Locations 502 Madison Oak Dr., San Antonio
5000 Baptist Health Dr., Schertz

Personal
Dr. Williams has two children. She is a runner and likes to bike ride on the weekends. She has competed in many triathlons and marathons and in 2009 she finished an Iron Man.


Michelle Villa-Olvera, M.D., F.A.C.O.G.

Education
1989 University of Texas, Austin, TX- Bachelor of Arts, Liberal Arts
1993 University of Texas Southwestern Medical School, Dallas, TX - Doctor of Medicine

Post Doctoral Training
1997 University-Texas Health Science Center, San Antonio, TX - OB/GYN Residency

Board Certification
1999 American College of Obstetrics and Gynecology - Fellow

Practice Locations 502 Madison Oak Dr., San Antonio
5000 Baptist Health Dr., Schertz

Personal
Dr. Villa-Olvera is married to Dr. Rene Olvera, and they have two sons.


Jane Shows Atkerson, M.D., F.A.C.O.G.

Education
1995 Washington and Lee University, Lexington, Virginia - Bachelor of Science, Biology 1999 Texas Tech University Health Sciences Center, Lubbock, TX - Doctor of Medicine

Post Doctoral Training
2003 University of Tennessee., Memphis, Tennessee - OB/GYN Residency

Board Certification
2006 American College of Obstetrics and Gynecology - Fellow

Practice Locations 502 Madison Oak Dr., San Antonio
5000 Baptist Health Dr., Schertz

Personal
Dr. Atkerson is married to Patrick Atkerson, a teacher, and they have three girls. They like to travel with Italy as a favorite destination.


Susan P. Novak, M.D., F.A.C.O.G.

Education
1996 Duke University, Durham, North Carolina - Bachelor of Science, Biomedical Engineering 2000 University of Oklahoma College of Medicine, Oklahoma City, Oklahoma - Doctor of Medicine

Post Doctoral Training
2004 Washington Hospital Center, Washington, D.C. - OB/GYN Residency

Board Certification
2006 American College of Obstetrics and Gynecology - Fellow

Practice Locations 502 Madison Oak Dr., San Antonio
5000 Baptist Health Dr., Schertz

Personal
Dr. Novak is married to Dr. Thomas Novak, a pediatric urologist practicing at Brooke Army Medical Center. They have two small children. She loves to cook for her family and friends and is always eager to try a new dish.


Berit Gissell, MSN, WHNP
Nurse Practitioner

Education
2001 Texas Tech University, Lubbock, TX - Bachelor of Science, Nursing 2005 Texas Women's University, Denton, TX - Master of Science, Women's Health Nurse Practitioner

Personal
Ms. Gissell is married to Dr. Michael Gissell and they have two children. She enjoys spending time with family and friends, traveling, skiing and being outdoors.


Sherrie Carter, MSN, WHNP
Nurse Practitioner

Education
1989 Angelo State University, San Angelo, TX - Bachelor of Science, Nursing
1990 University of Texas Southwestern, Dallas, TX - Certification,
Women's Health Nurse Practitioner
2005 University of Texas, El Paso - Master of Science - Nursing

Personal
Ms. Carter is married to Bob Carter and they have two children and one grandchild.