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About

Summary: Ascension Illinois is a nonprofit health system based in Chicago that provides primary and advanced specialty care, including cardiology, with a focus on care close to home. The organization operates in the Hospitals and Health Care industry and employs about 41 people. It offers primary care services and a range of specialty care, and is connected to Ascension’s broader network of clinics and hospitals in Illinois. If you’re seeking primary care doctors in Belvidere, IL, Ascension Illinois represents the Ascension-affiliated network in the region that may include primary care providers within its Illinois footprint. For Belvidere-specific options, you may want to visit their Illinois website or contact Ascension Belvidere facilities directly to locate primary care physicians near you.

Clinic Type

Primary Care

Address

11904 Oak Creek Pkwy, Huntley, IL 60142

Phone

(847) 506-1478

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

If you are experiencing a life-threatening emergency, call 911 or go directly to the ER.

Services Offered

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Dr. Mohammed Khan): 3.0 out of 5 stars (5 ratings)
  • Birdeye (UW Health Belvidere Clinic): 4.8 out of 5 stars (445 reviews)

Patients praise

  • Knowledgeable and compassionate physicians
  • Thoroughness of medical assessments
  • Effective treatment and positive outcomes
  • Courteous and professional support staff at specific clinics

Common complaints

  • Difficulty getting medication refills processed in a timely manner
  • Long wait times in clinic offices
  • Poor communication and lack of follow-up from medical staff
  • Frustration with administrative or scheduling policies

"Always a pleasant experience. Everyone comes together to make a positive outcome."

Birdeye patient review for UW Health Belvidere Clinic

"You’ll be in her waiting room for at least an hour so don’t bother going while you’re at work... if you need a REFILL you can for get it. I tried SEVERAL DAYS in a row. Left messages and NEVER got a call back!!!"

Vitals patient review for a local physician

"Dr. Kellenberger is the best family doctor ever! He is AMAZING with my kids, husband and my elderly father alike. He makes everyone feel so comfortable while providing a very thorough assessment."

LocalityBiz patient review for SwedishAmerican Belvidere Clinic

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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Belvidere, IL·Primary Care

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Belvidere, IL·Primary Care

OSF HealthCare is a nonprofit, integrated health system founded in 1877 and headquartered in Peoria, Illinois. It operates 171 locations across Illinois and Michigan, including OSF Medical Group primary care and specialty clinics. The OSF Medical Group encompasses primary care practices and specialty services (e.g., pulmonology, psychology, oncology), with locations and providers listed under OSF HealthCare’s network. Key details: - Founder/Owner: The Sisters of the Third Order of St. Francis - Headquarters: Peoria, Illinois - Area served: Illinois, Michigan - Notable units: OSF Innovation, OSF Ventures, OSF HealthCare Foundation - Contact: Main line and general OSF channels are listed on the OSF site For OSF Medical Group in Belvidere specifically, the OSF HealthCare network includes primary care services under the OSF Medical Group umbrella, but the provided highlights do not specify a Belvidere address. To confirm Belvidere-based primary care and exact provider roster, visit OSF HealthCare’s official site or contact OSF Medical Group directly.

VerifiedSince 1877

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