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Clinic Type

ENT Clinic (Otolaryngology) (multi-location group)

Address

3340 Oak Park Ave Ste 204 Berwyn, IL 60402; 2448 N Lincoln Ave Chicago, IL 60614; 111 W Washington St Ste 903 Chicago, IL 60602; 3000 N Halsted St Ste 400 Chicago, IL 60657; 712 N Dearborn St Chicago, IL 60654

Phone

(708) 749-3070; (312) 883-0183; (312) 372-9355; (773) 296-5500; (708) 716-8098

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Otolaryngology - Ear, Nose & Throat (ENT)

Team

  • Daniel M Kurtzman, MD — Otolaryngology - Ear, Nose & Throat (ENT)
  • Omotara M Sulyman, MD — Otolaryngology - Ear, Nose & Throat (ENT)
  • Jordan B Pritikin, MD — Otolaryngology - Ear, Nose & Throat (ENT)
  • Jacob J Friedman, MD — Otolaryngology - Ear, Nose & Throat (ENT)
  • T K Venkatesan, MD, FACS — Otolaryngology - Ear, Nose & Throat (ENT)
  • Adam J Levy, MD — Otolaryngology - Ear, Nose & Throat (ENT)
  • Kathryn L Colman, MD — Otolaryngology - Ear, Nose & Throat (ENT)
  • Gary G Wiesman, MD — Otolaryngology - Ear, Nose & Throat (ENT)

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD Care (Dr. Ashok Jagasia): 5.0/5.0 (47 ratings)
  • Birdeye (Dr. Ashok Jagasia): 4.8/5.0 (20 reviews)
  • Vitals (Dr. John D. Ortega): 3.3/5.0
  • Zocdoc (Alexandra Johnson, PA-C): 5.0/5.0 (4 reviews)

Patients praise

  • Physicians who listen to patient concerns and explain findings clearly
  • Professional and caring medical staff
  • High level of knowledge and expertise reported by many patients
  • Effective, life-changing procedures for breathing and sleep issues reported at some clinics

Common complaints

  • Difficulty reaching offices by phone
  • Reports of long wait times for appointments
  • Concerns regarding bedside manner and inattentiveness
  • Complaints about lack of thorough examinations

"Dr. Jagasia absolutely listened to all of my concerns and was extraordinarily knowledgeable... My only point of concern was trying to reach the office by phone after my appointment - seems impossible."

WebMD Care user review

"Dr. Jagasia is very consistent. He always provides excellent care and clear explanations. He shows respect for me and practices medicine with a clear understanding that a patient is not a case but a human being."

Rush University Medical Center patient review

"Dr. Ortega was two hours late, and his bedside manner was abysmal. He did not apologize for being late, and he was dismissive and inattentive."

Vitals user review

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.

More ent clinic (otolaryngology) clinics in Oak Park

Oak Park, IL·ENT Clinic (Otolaryngology)

VerifiedOnline booking
Oak Park, IL·ENT Clinic (Otolaryngology)

ADVENT is a national ENT-focused medical practice group headquartered in Milwaukee, WI, with 39+ offices across the United States and a footprint in Indonesia. They offer in-office solutions for nasal blockage, sinus, snoring, and sleep apnea, emphasizing convenient, office-based treatments. The Oak Park, IL reference (1125 South Blvd) appears to align with ADVENT’s network of ENT clinics, as ADVENT operates multiple locations in Illinois and surrounding states. If you’re seeking an Oak Park ENT clinic under the ADVENT banner, this would be part of their outpatient ENT group prioritizing non-surgical, in-office options and coordinated care. Key takeaways: - Type: Medical Practices group (ENT specialty) - Headquarters: Milwaukee, Wisconsin - States: 6 (39 US offices) - Focus areas: nasal blockage, sinus issues, snoring, sleep apnea - Contact: general inquiries via info@adventknows.com; phone options include (888) 938-3838 and local numbers - Website: adventknows.com Note: The page confirms ADVENT’s broader network and ENT services, but for a specific Oak Park appointment or exact Oak Park address, contacting ADVENT directly or visiting their site to locate the Oak Park clinic would be best.

VerifiedOnline bookingSince 2004

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