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Arrowhead Gastroenterology

Gastroenterology • Glendale, AZ

★★☆☆☆2.1/5104 reviews across 2 platforms

Ratings by platform

  • Birdeye: 2.2/5 (53 reviews)
  • Yelp/Apple Maps aggregate: 1.9/5 (51 reviews)

What patients say

Patients praise

  • Some patients appreciate thorough and successful treatment outcomes
  • Professional and caring experiences reported with specific providers like Dr. Merrill
  • Helpful and efficient scheduling/administrative support reported by some patients

Common complaints

  • Poor bedside manner and perceived lack of compassion from some doctors
  • Concerns regarding unprofessional or rude office staff and management
  • Reports of rushed appointments and insufficient time spent with patients
  • Frustration with diagnostic processes and communication follow-ups

In patients' words

"Such a rude doctor. Literally rushed through the visit and solely focused on marijuana use. . . . Clearly his bedside manner is trash and doesn’t enjoy his job or even express that he wants to help you."

— Birdeye Review

"Absolutely the most unprofessional experience I have ever had with a medical office. Nicole, the so-called "office manager," is rude, condescending, and completely unwilling to hear the truth."

— Apple Maps/Yelp Review

"Had a colonoscopy done by Dr. Anthony P. Merrill at Arrowhead Gastroenterology Associates. He was very professional and caring. Also, was able to give me a complete colonoscopy where another Dr. could not."

— Vitals Review

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7].

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