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Clinic Type

Gastroenterology

Address

Gastroenterology Clinic, 1032 Marwalt Drive, Suite 210, Fort Walton Beach, Florida 32547

Phone

850.863.8260

Email

customerservice@white-wilson.com

Opening Hours

8:00 am - 5:00 pm

Services Offered

  • Gastroenterology
  • GI disease diagnosis and treatment
  • screening and surveillance for GI disorders
  • colonoscopy
  • flexible sigmoidoscopy
  • 48-Hour PH Probe Study
  • upper endoscopy

Technology & Equipment

  • Colonoscopy equipment
  • PH probe equipment
  • Upper endoscopy tools

Team

  • Christopher D. Abrasley, M.D. — Gastroenterology
  • Mark C. Riggenbach, M.D. — Gastroenterology
  • Nikkole Town, APRN — Gastroenterology
  • Kenneth Ellison, PA-C — Gastroenterology

Insurance & Payment

—

Languages Spoken

  • English

FAQs

Instructions and a checklist to help you get ready for the procedure

Please call the clinic at 850.863.8260 for instructions and a checklist to help you get ready for the colonoscopy procedure.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 4.5/5 (44 reviews)
  • Vitals: 4.6/5 (19 reviews)
  • Healthgrades: 4.7/5 (15 reviews)
  • U.S. News & World Report: 3/5 (29 reviews)
  • Healthgrades: 4/5 (12 reviews)
  • WebMD/Vitals: 3.5-4/5 (35-39 reviews)
  • Vitals/U.S. News & World Report: 3.6/5 (21-36 reviews (varies by source))

Patients praise

  • High professional competence in diagnosis
  • Thoroughness in medical assessment
  • Polite and attentive staff reported by some patients
  • Expertise in specific gastrointestinal conditions (e.g., polyps, liver disease)

Common complaints

  • Incompetent or unprofessional front office staff
  • Difficulty obtaining timely callbacks or appointments
  • Poor bedside manner or lack of perceived patient care
  • Frustration with excessive reliance on nurse practitioners instead of doctors
  • Long wait times for diagnostic procedures

"Dr. Riggenbach is a very competent and thorough physician. Unfortunately, his front office staff is very incompetent. Trying to get a call back in a timely manner won't happen..."

— Healthgrades patient review (Dr. Charles Riggenbach)

"Terrible! His receptionist at Crestview office is RUDE. Dr. Ringel doesn't explain anything. If you ask questions he presents attitude like you're wasting HIS time."

— WebMD patient review (Dr. Andrew Ringel)

"In pain for weeks ..called at least four times always told "will need doctor to sign off"... Never a return call...a joke of an office. Please, if you need help go elsewhere."

— Vitals patient review (Dr. Christopher Abrasley)

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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