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About

GI Alliance is a private, nationwide network of gastroenterology providers founded in 2018 and headquartered in Southlake, TX. It operates in the Hospitals and Health Care sector with a focus on adult and pediatric GI health. The organization has about 523 employees and reports $8.5M in annual revenue, with Cardinal Health, Inc. as a parent company. It maintains presence across the United States (4 offices) including locations in Southlake, Allen (TX), and Madison (MS). Key leadership includes executives like Paul Berggreen (Chief Strategy Officer) and other department heads (PMO, HR, Payer Relations, Finance). What this means for your query: - The page highlights GI Alliance as a major GI network, but there is no specific mention of a Hattiesburg, MS GI Alliance location. - The Mississippi footprint listed includes Madison, MS, but not Hattiesburg. If you’re seeking a GI specialist in Hattiesburg, MS under GI Alliance, this page does not confirm an Hattiesburg site. Next steps: - If you want a gastroenterologist in Hattiesburg, consider contacting GI Alliance via their website or phone to verify if they have a local provider or an affiliated practice near Hattiesburg. - You can also search for GI Alliance-affiliated clinics in nearby Mississippi cities or request referrals through the GI Alliance network.

Clinic Type

Gastroenterology

Address

100 Methodist Hospital Boulevard, Hattiesburg, MS 39402

Phone

601-268-5185

Email

Opening Hours

Non-emergency requests handled within 48 hours

Emergency Care

non-urgent

Services Offered

  • Gastroenterology
  • Pediatric gastroenterology
  • Colorectal cancer screening
  • Infusion therapy
  • Endoscopy
  • Colonoscopy
  • Transoral incisionless fundoplication (TIF)
  • Sphincterotomy
  • Robotic colon surgery
  • Radiofrequency ablation (RFA)
  • Orbera managed weight loss
  • Non-surgical weight loss
  • Luminal stent placement
  • Liver multiscan
  • Overstitch endoscopic suturing
  • Pancreatoscopy
  • OBalon balloon procedure
  • Chronic care management
  • Virtual telemedicine
  • Gastroenterology procedures

Team

  • Seth Brown, D.O. — Gastroenterologist
  • Stephen E. Buckley, M.D. — Gastroenterologist
  • Henry Creed Fox, M.D. — Gastroenterologist
  • Troy Morrissette, M.D. — Gastroenterologist
  • Erin Roberts, MSN, FNP-C — Nurse Practitioner
  • Susan Wallace, MSN, FNP-C — Nurse Practitioner

Insurance & Payment

Languages Spoken

  • English

FAQs

Request An Appointment

This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.

If you are experiencing a medical emergency, please call 9-1-1.

This is an emergency notice indicating to call 9-1-1.

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye / Trustindex: 4.9/5 stars (Over 1,800 total reviews (aggregate))
  • Vitals: 4.2/5 stars (Specific to Dr. Stephen E. Buckley)

Patients praise

  • Compassionate and thorough patient care
  • Professional and friendly supporting staff
  • Efficient service delivery
  • Clear communication regarding medical conditions and treatments

Common complaints

  • Reports of unprofessionalism and poor bedside manner with specific providers
  • Concerns regarding communication and preparedness before procedures
  • Occasional complaints about facility cleanliness or maintenance issues

"Dr. Buckley had me in tears on the procedure table during my colonoscopy. He had not read my records... I have never felt so uncomfortable in an office before."

Vitals review for Dr. Stephen Buckley

"...I was able to rest better due to a wonderful prescriptions Dr Buckley prescriped. I also was at ease that he spoke with me in regards to my results... he is kind, serious and and straight to the point but shows concern."

Vitals review for Dr. Stephen Buckley

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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Hattiesburg, MS·Gastroenterology

Hattiesburg GI Associates, PLLC is a private medical practice based in Hattiesburg, Mississippi, offering gastroenterology care. Key details: - Services: GI care with colon cancer screening, infusion therapy, chronic care management, and telehealth visits. Focus on patient-centered care, prevention, and education. - Locations: Two convenient Hattiesburg offices (HQ at 100 Methodist Blvd; another location at 7127 US-98, West Suite 10). - Team: Board-certified physicians and nurse practitioners; small practice with 4 employees. - Contact: Phone (601) 268-5185; website hgia.net. - Access & setting: Web presence shows steady traffic with a strong US-based audience; reputable within local healthcare resources. - Summary: A small, patient-focused gastroenterology practice serving Hattiesburg, MS with endoscopy-related services and ongoing GI care.

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Summary: Hattiesburg Clinic is Mississippi’s largest physician-owned, multi-specialty medical practice with over 350 providers across 19 counties. Based in Hattiesburg, MS ( HQ at 415 South 28th Ave, Hattiesburg, 39401 ), the privately held clinic was founded in 1963 and operates 3 offices in the U.S. It offers an extensive range of services across primary care, pediatrics, and many specialties, including gastroenterology. The clinic employs about 415 staff and has annual revenue around $5.3M. Contact: (601) 264-6000. Website: hattiesburgclinic.com.

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