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About

Montage Health is a Monterey, CA-based nonprofit healthcare system serving Monterey County for over 90 years. It operates a cohesive network centered on Community Hospital of the Monterey Peninsula, with services through MoGo Urgent Care, Montage Orthopedics and Sports Medicine, Montage Wellness Center, Montage Medical Group (primary and specialty care), Aspire Health Plan, and Ohana (youth mental health). While Montage Health offers broad medical and wellness services, the specific focus on Gastroenterology in Monterey isn’t explicitly listed on the page. For a targeted gastroenterology provider in Monterey, check Montage Health’s primary/specialty clinics or contact their Monterey HQ for gastroenterology referrals and GI clinic details.

Clinic Type

Gastroenterology

Address

23625 Holman Highway, Monterey, CA 93940

Phone

831-625-4990

Email

information@chomp.org

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

Emergency care available (links: emergency page)

Services Offered

  • Gastroenterology
  • Digestive health care
  • esophagus
  • stomach
  • intestines
  • gallbladder
  • liver
  • digestive tract problem care

Team

  • Michael Joel Mendoza — MD

Insurance & Payment

  • ViewAccepted Insurance

Pay Your Bill, Bill Pay, Accepted Insurance (see linked)

Languages Spoken

FAQs

What services does Montage Health Gastroenterology offer?

Care for digestive system including esophagus, stomach, intestines, gallbladder, liver, and more.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp (Monterey Bay GI Consultants): 2.7/5 (106 reviews)
  • WebMD (Dr. Jan Kamler): 4.5/5 (25 ratings)
  • Healthgrades (Dr. Jan Kamler): 3.8/5 (16 ratings)
  • Yelp (Montage Medical Group): 2.9/5 (144 reviews)

Patients praise

  • High perceived expertise and technical skill of doctors
  • Positive experiences with thorough explanations and informative consultations
  • Some patients report feeling well-cared for and comfortable during procedures like colonoscopies
  • Appreciation for professional and friendly staff in certain interactions

Common complaints

  • Difficulty scheduling appointments and long wait times
  • Concerns about administrative efficiency, including prescription refills and communication
  • Perceived rushed appointments or lack of personalized bedside manner in some cases
  • Frustration with referral processes or staff interactions

"Overall, he is a very good, trustworthy doctor, but his bedside manners seem clouded by the clock."

WebMD/Healthgrades review of Dr. Jan Kamler

"Appointments are difficult to get, Doctors spend very little time with the patient leaving most of the work to their assistants."

Yelp review of Montage Medical Group

"Not only did he thoroughly explain all aspects of my procedures every time and how our bodies work, but he also did it with humor, flair, and personality."

WebMD review of Dr. Jan Kamler

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

Information sourced from the clinic's website as of July 10, 2026.

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