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About

OSF HealthCare’s Children’s Hospital of Illinois Medical Group is a private pediatric care practice based in Peoria, IL, organized under OSF HealthCare. It serves families with comprehensive, family-centered pediatric services delivered by about 3 employees across 3 offices in Peoria. The group partners with families for personalized, specialized pediatric care and oversees 140+ pediatric specialists within the OSF system. Key contact: (800) 421-5700. Headquarters: 800 NE Glen Oak Ave, Peoria, IL 61603. If you’re seeking pediatric services in Peoria under OSF HealthCare, this group represents OSF’s pediatric medical group network in the area.

Clinic Type

Pediatrics

Address

800 NE GLEN OAK AVE, PEORIA, Illinois 61603, US

Phone

(833) 673-4322

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Pediatrics

Insurance & Payment

  • Insurance plans accepted (as listed on OSF Insurance page)

Visit our insurance page for a list of accepted insurances. For specific plan information, check with your insurance provider.

Languages Spoken

FAQs

What insurance plans are accepted?

Visit our insurance page for a list of accepted insurances. For specific plan information, check with your insurance provider.

What Patients Say

Overall sentiment across review platforms: mixed

  • BirdEye (OSF Medical Group - Pediatrics): 3/5 stars (22 reviews)
  • Vitals (Dr. Diane Santorineos): 4.2/5 stars (5 ratings (3 written reviews))

Patients praise

  • Some providers noted as trusted and caring for children
  • Effective and comforting care reported in surgical or emergency delivery contexts by some patients
  • Clean facilities and prompt triage in specific instances

Common complaints

  • Reports of unprofessional or cold bedside manner by some providers
  • Concerns regarding administrative errors and communication delays (e.g., prescription management)
  • Issues with accessibility, wait times, and customer service in broader OSF facilities
  • Negative experiences related to billing and lack of explanation for procedures

"She was the worst pediatrician I have ever met. Most of time, she is cold and barely cares about my daughter. One day she led us to the most expensive allergy test... without ANY explanation and my approval! I never recommend her."

Vitals review for Dr. Diane Santorineos

"OSF Healthcare is a shell of its former self. Far too many... of the employees there treat patients like numbers and move them through as if they're on some sort of assembly line."

BirdEye review for OSF Healthcare System

"The staff on Labor and Delivery were wonderful and made my emergency c-section a relatively painless experience."

Yelp review for OSF Saint Francis Medical Center

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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