Elizabeth John, M.D.
Gastroenterology • Caldwell, NJ
Clinic Type
Gastroenterology
Address
Mountainside Medical Group – Gastroenterology, 170 Changebridge Rd. Unit C4 Montville, NJ 07045; Mountainside Medical Group – Gastroenterology, 311 Bay Ave. Suite 300B Glen Ridge, NJ 07028; Mountainside Medical Group – Primary Care, 1129 Bloomfield Ave. Suite 100 West Caldwell, NJ 07006
Phone
(973) 884-3355
ardentcustomerservice@ensemblehp.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Team
Insurance & Payment
—
Languages Spoken
FAQs
What are the appointment options for established patients?
Established patients can schedule an appointment with their provider through MyChart.
Awards & Accreditations
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Mountainside Medical Center / Birdeye: 4.8/5 (38-206 reviews (varies by site))
- U.S. News: 4.3/5 (6 reviews)
- Healthgrades: 3.6/5 (25 ratings)
- WebMD: 4.5-5.0/5 (2-13 reviews)
Patients praise
- Thoroughness and medical knowledge
- Compassionate and caring bedside manner
- Clear communication and explanation of treatments
- Professional office staff (in some locations)
Common complaints
- Scheduling and appointment cancellations
- Administrative issues with new patient intake
- Perceived unprofessionalism or lack of empathy in specific instances
"Dr. John took the time to listen to my concerns, explained everything clearly, and made sure I was comfortable throughout the appointment."
— Birdeye (Dr. Elizabeth John, NJ)"I was driven to the appointment today and upon arrival I was told the doctor canceled the appointment... Now my health is at risk while I start over with the search for a competent doctor."
— Healthgrades (Dr. Elizabeth John, FL)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Elizabeth A. John, MD - Internal Medicine Physician in Sanford, FL — May 14, 2026
- Elizabeth L Johnson, MD - Athens, GA — Aug 20, 2025
- Elizabeth Caldwell - McCormick Theological Seminary — Apr 3, 2026
- Elizabeth Caldwell — Jun 2, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Caldwell
Gastroenterology Associates of New Jersey (GANJ) is a private multi-location gastroenterology practice established in 2009, headquartered in Woodland Park, NJ. It operates 28 offices across Bergen, Passaic, Morris, Hudson, Ocean, and Essex counties, plus a presence in India, and offers comprehensive digestive health care through board-certified gastroenterologists and a multidisciplinary team. The practice emphasizes coordinated, patient-centered care for all ages, with services performed at affiliated ambulatory surgery centers on an outpatient basis. Key contact: info@ganjllc.com, +1 973-471-8200. Main Caldwell-related location: Clifton/Clifton Ave area (NJ) as part of its New Jersey network.
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