About Us

We are a place where the impossible becomes possible.

Medical Team

Our medical team includes experts in pediatrics, internal medicine, physical medicine and rehabilitation.


Nick Holekamp, MD
Nicholas A. Holekamp, MD

Chief Medical Officer

Dr. Nicholas Holekamp has led Ranken Jordan's medical staff as chief medical officer since 2000, overseeing its dramatic transition from a children's convalescent home to one of the few pediatric specialty hospitals in the United States.

He is a graduate of Saint Louis University School of Medicine and completed his residency in pediatric/adolescent medicine at SSM Cardinal Glennon Children's Hospital. Board certified in pediatrics, Dr. Holekamp is currently on staff at St. Louis Children's Hospital, Cardinal Glennon Children's Hospital and St. John's Mercy Medical Center. He is a member of the National Association of Children's Hospitals & Related Institutions, Missouri State Medical Association and St. Louis Pediatric Society.


Sue Conger, MD
Susan C. Conger, MD

Clinical Medical Director

A native of St. Louis, Dr. Susan Conger is Ranken Jordan’s clinical medical director, managing a staff of medical professionals who provide inpatient, outpatient therapy and day treatment therapy services to children facing life-altering illnesses and injuries.

Dr. Conger earned her medical degree at the University of Missouri and completed her residency at Cardinal Glennon Children’s Hospital. She was in private practice for 7 years before joining Ranken Jordan in 2003 as assistant medical director.

Dr. Conger is board certified in pediatrics and internal medicine, and for the past 3 years, has been honored as one of the “Best Doctors in America” by Best Doctors, Inc.


Rosa Suarez-Solar, MD
Rosa M. Suarez-Solar, MD


Dr. Rosa Suarez-Solar has been with Ranken Jordan since 2005, lending her pediatric experience and her fluency in Spanish to caring for children and their families.

She received her medical degree from the Universidad Central del Caribe in Puerto Rico and completed her internship and residency at Cardinal Glennon Children’s Hospital.

Dr. Suarez-Solar joined Ranken Jordan after 8 years in private practice in St. Louis. She is board certified in pediatrics and is a fellow in the American Academy of Pediatrics as well as a member of the Missouri Pediatric Society.


Amy Zimmermann, MD
Amy Zimmermann, MD

Pediatric Physical Medicine & Rehabilitation

Board certified in Physical Medicine and Rehabilitation, Dr. Amy Zimmermann joins Ranken Jordan board certified in pediatric physiatry.

Dr. Zimmermann earned her medical degree in 2003 from the University of Missouri-Columbia, completed her residency at the University of Alabama-Birmingham and completed her Pediatric Rehabilitation Medicine from Children's Mercy Hospital in Kansas City, Missouri. Dr. Zimmermann is a member of the American Academy of Physical Medicine and Rehabilitation, American Medical Association and American Academy of Cerebral Medicine and Developmental Medicine.


Eugene Evra, MD
Eugene Evra, MD

Physical Medicine & Rehabilitation

Dr. Eugene Evra is a board certified physiatrist and joins Ranken Jordan after extensive study and practice in pediatric surgery and physical medicine and rehabilitation. Dr. Evra specializes in spasticity management. Previously, Dr. Evra was chief resident in the Physical Medicine and Rehabilitation Residency Program at Washington University School of Medicine.

Dr. Evra earned his medical degree in 1996 from the Smolensk State Medical Academy in Russia. He has given numerous presentations on pediatric rehabilitation issues and is a member of the American Academy of Physical Medicine and Rehabilitation as well as the St. Louis Society of Physical Medicine and Rehabilitation.


Connie Simmons, MD
Connie Simmons, MD


A Missouri native, Dr. Connie Simmons is a board certified pediatrician who completed her residency with honors at Cardinal Glennon Children’s Hospital. She is a 1991 cum laude graduate of the University of Missouri School of Medicine and joins Ranken Jordan after serving as a staff physician at Cardinal Glennon.

Dr. Simmons is a former All-American softball player at Southeast Missouri State University (SEMO) and has a keen interest in pediatric sports medicine. She was in pediatric private practice in Cape Girardeau for 13 years, also serving as team physician for the SEMO women’s athletics program and as co-medical director of the university’s athletic training education program.


Dr Jennifer Kaufman

Jennifer Kaufman, MD


Hailing from Memphis, Tennessee, Dr. Jennifer Kaufman completed medical school in St. Louis and graduated from Washington University School of Medicine. She is a Board-Certified pediatrician and is a fellow of the American Academy of Pediatrics. Dr. Kaufman first worked at Ranken Jordan from 2007-2008 upon completion of her residency at St. Louis Children’s Hospital. She then served in Philadelphia for three years as a pediatric hospitalist for a community hospital that is directly affiliated with the Children's Hospital of Philadelphia. Dr. Kaufman was thrilled to have the opportunity to return to Ranken Jordan in 2011.


Dr Karen Ruecker

Karen Ruecker, MD


Board-Certified in Pediatrics, Dr. Karen Ruecker has been at Ranken Jordan since October 2011. A native of St. Louis, she joined the Ranken Jordan team after spending 11 years at Mercy Hospital St. Louis (formerly St. John's Mercy Medical Center) as a hospital pediatrician. There, she worked in the Emergency Department, the Pediatric Inpatient Services and the JFK Clinic.

Dr. Ruecker attended Rice University in Houston for her undergraduate studies and returned to St. Louis for medical school. She graduated from Washington University School of Medicine in 1996 and completed her Pediatric Residency at St. Louis Children's Hospital. She was briefly in private practice before beginning her tenure in the Pediatric Department of St. John's Mercy Medical Center.


Dawn McNamee, MD


Elizabeth Sugarbaker, MD


Pediatric Nurse Practitioners

Ellie Brown, RN, CPNP-PC

Ellie Brown, RN, CPNP-PC

Barb Champion, RN, CPNP

Barb Champion, RN, CPNP, WOCN

Beth Downy PNP

Beth Downey, RN, PNP-BC

Jen Leary, PNP

Jen Leary, RN, CPNP-PC

Emily Melick, PNP
Emily Melick, PNP

Kathy Judkins, RN, CPNPKathy Judkins, PNP

Kathy Judkins, RN, CPNP 

Karen Sepe, RN, CPNP

Karen Sepe, RN, CPNP


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11365 Dorsett Road Maryland Heights, MO 63043 Main: (314) 872-6400 Toll Free: 1(866) 845-6400
The Ranken-Jordan Home for Convalescent Crippled Children