Knoxville Gastrointestinal Specialists
Gastroenterology • Knoxville, TN
Clinic Type
Gastroenterology
Address
—
Phone
865-374-0411
—
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Technology & Equipment
Insurance & Payment
—
Languages Spoken
—
FAQs
Patient Forms
Prepare for your visit by filling out these forms ahead of your appointment and bring them with you. This will help us provide you with an efficient visit. Thank you!
Visit Reminders
We ask that you please arrive at least 15 minutes prior to your scheduled appointment. Please bring the following items with you to your visit: Your current health insurance information, Your current Photo ID, Any medications you are currently taking in their original containers or in a list with dosages and times. Please notify our office within 24 hours if you need to cancel or reschedule your appointment.
Prescription Refills
It’s very important that you request your prescription refills during normal business hours before 4:30 p.m. Monday-Friday. Prescriptions will not be refilled on weekends or holidays. You can request a refill on the MyCovenantHealth Patient Portal or by calling your pharmacy.
Referrals & Precertification
Insurers often require a physician referral prior to your visit to Knoxville Gastrointestinal Specialists. As a courtesy to our patients, we will attempt to contact your primary care physician and request a referral. However, it is your responsibility to confirm that a referral has been obtained before you are seen by our providers. If a test or procedure is ordered by a Knoxville Gastrointestinal Specialists provider, our staff will obtain a necessary precertification on your behalf. Precertification for any tests or procedures ordered by your own primary care physician is the responsibility of your primary care provider’s office.
Social Media
Photos


What Patients Say
Overall sentiment across review platforms: mixed
- Vitals: Varies by provider (e.g., 4.6 and 4.3 stars for individual physicians)
- Yelp: Not explicitly quantified (Limited reviews)
Patients praise
- praise for staff and doctor helpfulness and concern for patients
Common complaints
- reports of long wait times
- concerns about bedside manner and patient attentiveness
- dissatisfaction with scheduling and office professionalism
"Amazing staff, Amazing doctors! Very caring and are concerned about the patient and family members."
— Yelp user review"Unprofessional & horrible keeping [appointments]... wait 4+ hours past your appointment time just to be given a continuous run around."
— Healthgrades user review of an individual provider in the groupSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Covenant Health of East Tennessee Promotes Growth in 2025 — Dec 19, 2025
- Dr. Carlos Rollhauser, MD – Gastroenterologist for Abdominal Pain in Knoxville, TN — May 22, 2026
- Covenant Health in East Tennessee Expands Healthcare Services and Facilities for 2025 - Third News — Dec 19, 2025
- Covenant Health of East Tennessee Promotes Growth in 2025 — Dec 19, 2025
- Knox News 40 Under 40 honors Tejal Mistry, Gastrointestinal Associates — Jan 11, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Knoxville
Gastrointestinal Associates, P.C. (GIA) is a private, multi-location gastroenterology practice based in Knoxville, TN, serving East Tennessee. Key points: - Services: Comprehensive digestive health care with specialized GI diagnostics and treatment, including weight loss programs and accredited endoscopy center/outpatient procedures. - Locations: 3–4 offices in Knoxville for convenient GI care, with headquarters at 1311 Dowell Springs Blvd, Knoxville, TN 37909. - Experience & Scope: Trusted by patients and referring physicians; expert care for chronic digestive conditions. - Organization: Privately held, 16 employees, annual revenue around $1.2M. - Contact: Main phone numbers include (865) 588-5121 and (865) 588-2126; emails: info@gihealthcare.com. - Online presence: Website gihealthcare.com; LinkedIn: linkedin.com/company/gastrointestinal-associates-p.c.
Comparing your options?
See other gastroenterology clinics in Knoxville, or search the full directory by insurance, ratings, and more.

