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Clinic Type

Gastroenterology

Address

Phone

4053668619

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • gastroenterology
  • endoscopy
  • colonoscopy
  • upper endoscopy
  • diagnostic testing
  • gastrointestinal care

Technology & Equipment

  • Olympus 190 series (introduced October 2012)
  • state-of-the-art waste disposal system
  • high tech electrical backup system

Team

  • Robert Holbrook, Gastroenterologist — M.D.
  • Joshua Whorton, Gastroenterologist — M.D.
  • Blair A. Kirkpatrick, Gastroenterologist — M.D.

Insurance & Payment

Languages Spoken

Pricing

  • not publicly listed

FAQs

What do I need to bring to my appointment?

What to bring to your appointment is described under Registration – What to bring to your appointment.

Commitments

  • Committed to providing high quality gastrointestinal services in a safe, convenient, congenial environment

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals (Norman Endoscopy Center): 4.3/5 (Vitals)
  • WebMD (Norman Gastroenterology Associates): 1/5 (WebMD) (1 review)
  • Vitals (Dr. Robert M. Holbrook): Highly critical reviews for specific providers (e.g., Dr. Robert M. Holbrook) (6 reviews)

Patients praise

  • Professional and friendly medical/nursing staff in surgical settings
  • Clear explanations of procedures provided to patients
  • Satisfactory surgical and endoscopic experiences for some patients

Common complaints

  • Difficulty scheduling appointments and long wait times for visits
  • Concerns regarding staff communication and responsiveness to calls/messages
  • Mixed bedside manner and perceived lack of concern from specific providers
  • Refusal to accept patients already under the care of other gastroenterologists

"From the moment I walked in the door, the receptionist, the tech who started my I.V., the nurse who prepped me for my procedure, and the recovery nurse were always friendly and showed true concern."

MapQuest Review (Norman Endoscopy Center)

"Office services are lackluster, the telephony AI is illiterate, and good luck getting a calllback."

WebMD Review (Norman Gastroenterology Associates)

"Dr Holbrook rushes you through your visit and horrible bed side manner. He is also on probation for selling narcotics."

Vitals Review (Dr. Robert M. Holbrook)

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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Norman, OK·Gastroenterology

Norman Regional Health System is a nonprofit, multi-campus hospital system serving south central Oklahoma, headquartered in Norman. Key facts: - Founded: 1946; annual revenue ~$220M; ~811 employees (growth noted +4.1% YoY) - Locations: Norman (HQ, Porter Ave campus, 219-bed acute care), Norman Regional Moore (Moore campus with 24/7 ER), HealthPlex campus (I-35 and Tecumseh Rd, 168 beds) - Services: inpatient acute care, outpatient diagnostics, medical transport, physician network, centers of excellence, durable medical equipment, primary care, community wellness, and employer health services - Physicians: ~356 credentialed on medical staff; total employees ~2,700+ - Notable: Acquired Women’s Healthcare of Norman in 2025 - Contact/identity: Also referred to as Norman Regional Hospital, NRHS; private nonprofit; operates in Norman, OK area - Website: normanregional.com - Related identifiers: 3 U.S. offices listed (all in Norman, OK) If you’re specifically asking about Norman Regional GI of Norman, the page confirms the broader Norman Regional Health System but does not provide GI-specific details. You may want to search for “Norman Regional GI” or visit the Norman Regional GI department page for gastroenterology services, physicians, and clinic locations.

VerifiedOnline bookingSince 1946
Norman, OK·Gastroenterology

VerifiedOnline booking

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