Office Information

Children’s Gastroenterology Specialists is currently accepting new patients. We request that you call in advance to set up an appointment time.


Please call us at 847-724-7825 to schedule an appointment.

If you need to cancel or reschedule your appointment, please notify our office 24 hours in advance.

If you arrive more than 15 minutes late, every attempt will be made to see your child but you may be required to reschedule the appointment.

Please bring with you any medical records including growth charts, lab tests and x-rays which you feel may be useful.

Bring a copy of your insurance and prescription card to the office visit.

Patient Appointment Times

  • Monday: 9:00am - 5:30pm
  • Tuesday: 12:00pm - 8:00pm
  • Wednesday: 12:00pm - 8:00pm
  • Thursday: 9:00am - 5:30pm
  • Friday: 1:00pm - 5:00pm

Physician Availability

If you would like to speak with Dr Nelson, please leave a message with the office. Non-urgent matters will be returned within 24 hours and usually by the end of the day. Please let us know if your call requires immediate attention.

For emergency issues after hours Dr Nelson is available by pager. The doctor usually answers pages immediately, but if she has not answered within 30 minutes feel free to page again. Please be aware that there is a charge for after hour calls.

Fees and Billing

  • Our fees are based on published local and national averages.
  • If required by your insurance company, co-payments will be collected at the time of check-in.
  • For fee for service patients, payment is due at the day of service.
  • Outstanding balances not paid by indemnity insurance plans will be considered the patients responsibilities.
  • Balances older than 60 days may be sent to a collection agency.
  • Payment may be made by cash, check, credit card (MasterCard, Visa, American Express or Discover), or online by echeck.
  • For questions about billing please contact Pediatrust billing department at (224) 330-6300, Fax (224) 330-6325.

Additional Fees

These will not be billed to your insurance company. You are directly responsible for these charges:

  • Missed appointment fee (not cancelled within 24 hours): $35.00
  • After hour phone calls: $30.00
  • Returned check: $50.00
  • Letters: $25.00
  • Forms: $10.00
  • Medical records: $26.58 + 1.0 (pages 1-25) + 0.66 (pages 26-50) + .33 (pages >50) Medical record fees subject to change under Illinois law.
  • Co-payment received after the visit: $25.00

Insurance Plans Accepted

The following is a list of insurance plans that are currently accepted. Please contact your carrier to verify coverage.

  • Aetna

  • Aetna Select
  • Aetna Affordable Health Choices Indemnity
  • Aetna Affordable Health Choices PPO
  • Aetna Choice POS II
  • Aetna Elect Choice
  • Aetna HMO
  • Aetna Health Network
  • Aetna Health Network Option
  • Aetna Managed Choice POS
  • Aetna Open Access Aetna Select
  • Aetna Open Access Elect Choice
  • Aetna Open Access Managed Choice
  • Aetna Open Choice PPO
  • Aetna Traditional Choice
  • Beech Street Corporation

  • Beech Street PPO
  • Blue Cross/ Blue Shield of Illinois

  • Blue Cross Blue Shield PPO
  • Blue Advantage HMO
  • Blue Precision HMO and HMOI
  • BCBS Blue Choice PPO
  • Cigna

  • Cigna HMO
  • Cigna POS
  • Cigna PPO
  • Cigna OAP
  • Cigna EPO
  • Cigna LocalPlus
  • Cofinity

  • Cofinity PPO
  • Coventry

  • Coventry PPO
  • Coventry HMO
  • First Health (rental network)
  • Evolutions Healthcare Systems

  • Evolutions PPO
  • First Health

  • First Health PPO
  • Great West Healthcare

  • Great West HMO
  • Great West POS
  • Great West PPO
  • Great West Open Access
  • Healthcare’s Finest Network

  • Healthcare’s Finest Network HFN EPO
  • Healthcare’s Finest Network HFN POS
  • Healthcare’s Finest Network HFN PPO
  • Humana Inc.

  • Humana Choice Care
  • Humana PPO
  • Independent Medical Systems (fmr MCS)

  • Interplan Medical Systems PPO
  • Interplan Health Group/HealthSmart (fmr PPI)

  • Interplan Health Group/HealthSmart PPO
  • Multiplan

  • Multiplan PPO
  • National Provider Network (NPPN)

  • PHCS Savility

  • PHCS Savility PPO
  • Preferred Network Access

  • Preferred Network Access PPO
  • Sagamore Healthcare Network

  • Sagamore Health Network PPO
  • United Healthcare of Illinois

  • United Healthcare of IL PPO
  • United Healthcare of IL POS
  • United Healthcare of IL HMO
  • USA Managed Care Organization

  • USA Managed Care HMO
  • USA Managed Care PPO

Please note that although Dr Nelson accepts all BCBS PPO Plans, Lurie Children’s does not accept Blue Choice. This means that Dr Nelson would be unable to do any type of endoscopy or inpatient visits for Blue Choice members.


The following forms are available for your convenience. Please click on each button below to download the form you need.
Please complete all forms using black ink.

Upper Endoscopy Packet:

The Upper Endoscopy Packet consists of:

  • Information Sheet
  • Map to Lurie Children's Hospital of Chicago
  • History and Physical Form

Download Upper Endoscopy Packet PDF

Upper Endoscopy/Colonoscopy Packet:

The Upper Endoscopy/Colonoscopy Packet consists of:

  • Information Sheet
  • Map to Lurie Children's Hospital of Chicago
  • History and Physical Form

Download Upper Endoscopy/Colonoscopy Packet PDF

Hydrogen Breath Test Instructions:

Download Hydrogen Breath Test Instructions PDF