
Chris Koster, MD, FAAP
Pediatrics • Ottawa, KS
About
Chris Koster, MD, FAAP provides pediatric care at AdventHealth Ottawa in Ottawa, Kansas. The clinic offers well-child visits, sports physicals, immunizations, newborn care, asthma care, mental health evaluation and treatment, and diagnosis and treatment of acute illnesses and injuries. Additional services include screenings for dental, hearing, lead, nutrition, and vision, as well as care for chronic and complex conditions in children.
Clinic Type
Pediatrics
Address
1301 South Main Street, Ottawa, KS 66067
Phone
+1 785-229-8200
SBOcsmgmt@medsrv.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Insurance & Payment
Vaccinations offered for private insurance and Medicaid/uninsured; VFC provider.
Languages Spoken
—
Social Media
Photos








What Patients Say
Overall sentiment across review platforms: mixed
- Healthgrades: 3.3 out of 5 stars (7 reviews)
- US News Health: 3 out of 5 stars (35 reviews)
Patients praise
- Competence as a physician
- Caring demeanor reported by some patients
Common complaints
- Dismissive and condescending attitude towards parents
- Perceived lack of empathy or respect
- Frustration regarding medical management or diagnosis delays
"He treats parents as if they know nothing and don't have their kids' best interests at heart."
— Healthgrades"When I questioned the covid vaccine and refused it he became completely unfriendly and mean to my boys."
— BirdeyeSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- CHEO asks doctors for urgent help as flu season ramps up | Ottawa Citizen — Dec 11, 2025
- CHEO asks family doctors to step up flu-fighting efforts | CBC News — Dec 12, 2025
- Kids with flu: Ottawa's CHEO asks for help as cases rise — Dec 13, 2025
- New clinical tool can predict future acute care visit risk in kids with asthma - CHEO Research Institute — Sep 16, 2025
- Ask the Pediatrician: Kratom: What parents need to know about this risky substance | Lifestyle | uniondemocrat.com — Jan 26, 2026
Information sourced from the clinic's website as of July 11, 2026.
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Alejandro Marchini, MD is listed as a pediatric practitioner within the OSF HealthCare network’s Ottawa, Illinois region. As part of OSF HealthCare Ottawa, the pediatrics/medical team focuses on pediatric care services in the Ottawa area, supported by OSF HealthCare’s broader system resources and network. Marchini’s specialty, clinic location, hours, or contact information, a direct check on the OSF HealthCare Ottawa site or a patient/provider directory would provide the most current details.
Ottawa Family Physicians, Chartered is a private healthcare provider based in Ottawa, Kansas, with three offices in Ottawa. They offer same-day appointments, accept new patients, and walk-ins. Key contact: 785-242-1620. Website: ottawafamilyphysicians.com. They participate in most insurance plans and emphasize calling the billing department to confirm services. Notable details: US-based, primarily serves patients in the United States, with a strong online presence but very limited public review data (employer rating not available). Address: 1418 S. Main Street, Ottawa, KS 66067 (HQ).
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