Doctors & Nurse Practitioners

We look forward to getting to know you and your child. Here is some background information on our Physicians and Nurse Practitioners (CPNP and FNP)

All of our doctors are board certified by the American Academy of Pediatrics and are all members of the American Academy of Pediatrics.   

  • Samuel A. Hickey, Jr., M.D.

    Dr. Samuel A. Hickey, Jr. is a Board Certified Pediatrician who has been with North Oaks Pediatric Clinic since July of 2002.  He grew up in Metairie Louisiana.  Dr. Hickey attended college at Southeastern Louisiana University, medical school at LSU Medical Center in New Orleans, and completed a Pediatric Residency Program at LSU through Children’s Hospital in New Orleans.  Dr. Hickey is a fellow of the American Academy of Pediatrics, a member of the Louisiana State Medical Society and an ordained deacon of Williams Blvd Church in Kenner, Louisiana.  Dr. Hickey has been married to his wife Stacy for 28 years.  They have a daughter, two sons, three dogs and a cat.  In his free time he enjoys spending time with his family, pets and drag racing.

     

  • Elizabeth H. Fritz, M.D.

    Dr. Elizabeth Fritz joined North Oaks Pediatric Clinic in July of 2007.  Dr. Fritz grew up in Metairie, Louisiana.  She graduated from Auburn University of Nursing after graduating from Mount Carmel Academy. She was a Registered Nurse for 5 years and returned to school to obtain her MD.  She attended LSU Medical Center New Orleans, and completed her residency at LSU in New Orleans and Children's Hospital in New Orleans Louisiana.  Dr. Fritz is a member of the American Academy of Pediatrics.  She is also a member of both the Louisiana State and Tangipahoa Parish Medical Societies.  Dr. Fritz is married with two daughters and enjoys spending time with family, cooking and traveling.

  • Dr. Cristina S. Halk, M.D., FAAP

    Dr. Cristina Halk feels incredibly grateful for the opportunity to serve the families of Southeast Louisiana as a pediatrician. Dr. Halk is a Board Certified Pediatrician who joined North Oaks Pediatric Clinic in January 2020. Dr. Halk is a native of McComb, Mississippi and she received her M.D. degree from LSU School of Medicine. She completed her pediatric residency at Baylor College of Medicine within Texas Children's Hospital. Dr. Halk is a member of the Student Christian Medical Association, the Latin Honor Society, the Alpha Omega Alpha Medical Honor Society and is a Fellow of the American Academy of Pediatrics. She now lives in Mandeville with her husband Jamie and their daughter. She enjoys watching the LSU Tigers and the New Orleans Saints, and spending time outdoors fishing, swimming, scuba diving, camping, hiking and biking.

  • Melissa Schillage, APRN, CPNP-PC

    Melissa Schillage is a Certified Pediatric Nurse Practitioner. Melissa joined North Oaks Pediatric Clinic in 2002 as a Registered Nurse. She started seeing patients as a CPNP in December of 2007. Melissa received her BSN from Southeastern Louisiana University and her MSN from the University of South Alabama. Melissa is married with three children.

  • Jessica Verburg, APRN, CPNP-PC

    Jessica Verburg is a Certified Pediatric Nurse Practitioner.  Jessica joined North Oaks Pediatric Clinic in 2010.  Jessica received her Associates Degree from Southwest Mississippi Community College in 1997.  Jessica got her BSN from the University of Mississippi in 2000 and her MSN from the University of South Alabama in 2005.  Jessica grew up in Magnolia Mississippi.  Jessica and her husband have 3 children.

  • Lesley Palisi, APRN, CPNP-PC

    Lesley Palisi joined North Oaks Pediatric Clinic as a Registered Nurse in 2001. She started practicing as a CPNP in April of 2012. Lesley received her BSN from Southeastern Louisiana University in 1998 and received her MSN from the University of South Alabama in 2011. Lesley and her husband have three children.

  • Cathy Riggio, APRN, FNP

    Cathy Riggio is a Family Nurse Practitioner. She joined North Oaks Pediatric Clinic in 2009 as a Registered Nurse. Cathy received her BSN and MSN from Southeastern Louisiana University. Prior to receiving her education Cathy served in the United States Army and Louisiana National Guard. She is married to her high school sweetheart, Tony and they have two children, Joseph and Aubrey. She is also an avid animal lover and has two fur babies, Maggie and Bentley. 

  • Michelle Emery, APRN, CPNP-PC

    Michelle Emery is a Certified Pediatric Nurse Practitioner. Michelle started with us as a Registered Nurse in 2009.   She received her BSN from Southeastern Louisiana University and her MSN at University of South Alabama.  Michelle is married with two children.

  • Kimberly Simoneaux, APRN, CPNP-PC

    Kimberly Simoneaux first joined North Oaks Pediatric Clinic in 2002 and was here for 13 years, left for a brief amount of time and rejoined the practice in 2018.  Kimberly grew up in Independence, LA.  She received her Nursing degree at SLU and then got her Master's at University of South Alabama. Kimberly, along with her husband, have four boys.

  • Sarah Hayden, APRN, FNP

    Sarah Hayden is a Family Nurse Practitioner. She was a Registered Nurse for 9 years with North Oaks Pediatric Clinic. Sarah received her BSN and MSN from Southeastern Louisiana University.  She is from Ponchatoula, LA. Sarah and her husband have two children.

  • Susan Griffin, APRN, CPNP-PC, PMHS

    Susan Griffin is a Certified Pediatric Nurse Practitioner and a Pediatric Primary Care Mental Health Specialist. Susan joined North Oaks Pediatric Clinic in July of 2008 as a Registered Nurse.  She started seeing patients as a CPNP in May of 2009.  Susan has been in the nursing field for 30 plus years (20 years was taking care of newborns).  Susan received her BSN from Southeastern Louisiana University in 1978 and her MSN from the University of South Alabama in 2009.  Susan grew up in Bedico Louisiana. Susan has one son and two grandchildren.

  • Nicole Hutson Simone, APRN, CPNP-PC

    Nicole Hutson Simone is a Certified Pediatric Nurse Practitioner who joined North Oaks Pediatric Clinic in December 2021. She received her Bachelor of Science in Nursing from Southeastern Louisiana University in 2000, Master of Science in Nursing from University of South Alabama in 2004, and Doctorate of Nursing Practice from University of South Alabama in 2012. Nicole grew up in Tangipahoa parish and continues to reside here with her husband and son.

Retired Physicians

  • Leo R. Westmoreland, Jr., M.D.

    40 Years of Service

  • Roger D. Rholdon, Sr., M.D.

    42 Years of Service

  • Chris Leumas, M.D.

    37 Years of Service

  • Francis N. Donner, Jr., M.D.

    28 Years of Service

  • Jean G. Tran, M.D.

    24 Years of Service

Contact Us

At North Oaks Pediatric Clinic, LLP, we encourage you to contact us whenever you have a question or concern related to your care. You can reach us at:

North Oaks Pediatric Clinic, LLP
(985) 542-4950

North Oaks Pediatric Clinic, LLP
North Clinic
(985) 542-2599


North Oaks Pediatric Clinic, LLP
(South Clinic)
(985) 542-8599

North Oaks Pediatric Clinic, LLP
(Main Clinic)
(985) 318-6599


Our Locations

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Hours of Operation

Saturday hours are available at the Main Clinic for all patients and are for sick/emergency visits only. Must call that day for appointment.

North Oaks Pediatric Clinic, LLP

Monday - Friday:

7:30 am - 5:00 pm

Saturday, Sunday:

Closed

North Clinic

Monday - Friday:

7:30 am - 5:00 pm

Saturday, Sunday:

Closed

South Clinic

Monday - Friday:

7:30 am - 5:00 pm

Saturday, Sunday:

Closed

Main Clinic

Monday - Friday:

7:30 am - 5:00 pm

Saturday:

7:30 AM - CLOSING TIMES MAY VARY

Sunday:

Closed