4.9
441 Ratings with 257 written Reviews
Summary
Dr. John Dalena specializes in gastroenterology and internal medicine, bringing four decades of medical expertise to patient care. He earned his medical degree from Rutgers New Jersey Medical School and completed his residency at Mount Sinai Medical Center. His extensive experience spans 41 years of practice, allowing him to develop deep knowledge in digestive health and comprehensive internal medicine. Dr. Dalena is fluent in both English and Spanish, enabling him to communicate effectively with a diverse patient population.
Dr. Dalena practices at Morristown Medical Center and maintains office locations in Florham Park, New Jersey. He specializes in treating colon polyps and managing high cholesterol conditions. His procedural expertise includes performing colonoscopies and lower gastrointestinal endoscopy to diagnose and monitor digestive health concerns. Patients consistently rate his care highly, with an average rating of 4.9 out of 5 stars on Vitals, reflecting his commitment to …quality patient care and clinical excellence.
Read More Read less Dr. Dalena practices at Morristown Medical Center and maintains office locations in Florham Park, New Jersey. He specializes in treating colon polyps and managing high cholesterol conditions. His procedural expertise includes performing colonoscopies and lower gastrointestinal endoscopy to diagnose and monitor digestive health concerns. Patients consistently rate his care highly, with an average rating of 4.9 out of 5 stars on Vitals, reflecting his commitment to …quality patient care and clinical excellence.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 41 years of experience
- speaks English, Spanish
- Mount Sinai Medical Center
- 257 written reviews
- 2 specialties
- 11 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 4 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John Michael Dalena has 4 locationsSummit Health
140 Park AveFlorham Park, NJ 07932 Tel: (908) 273-4300
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Atlantic Gastroenterology at Summit Medical Group
140 Park Ave Fl 3Florham Park, NJ 07932 Tel: (973) 401-0500
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John Michael Dalena, MD | Dr. Mikhail Yakubov, MD | Dr. Hon-Ming Eng, MD | Dr. Daniel Perl, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 41 Years of Experience | 11 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | Virtual Visit Available |
| Speaks English, Spanish | Speaks English, Russian, Hebrew | Speaks English, Cantonese, Chinese, Mandarin, Chinese (Cantonese), Chinese (Mandarin) | Speaks English |
| Florham Park , NJ | New York , NY | New York , NY | New York , NY |
| Med School: Rutgers New Jersey Medical School | Med School: American University Of The Caribbean School Of Medicine | Med School: Icahn School Of Medicine At Mount Sinai | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Michael Dalena
Medical Specialties
Dr. John Michael Dalena has the following 2 specialties
Specialty Expertise
Dr. John Michael Dalena has the following 11 areas of expertise
Certifications, License, & Education
41 Years Experience
Dr. John Michael Dalena holds an active medical license in the state of New Jersey.
Medical License
Medical Doctor with an active medical license in the state of New Jersey that expires in 2027.
Education & Training
Residency
Completed their residency at Mount Sinai Medical Center.
Medical School
Graduated from Rutgers New Jersey Medical School in 1985.
NPI Number
Dr. Dalena's NPI number is 1215944582.
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Frequently Asked Questions
- Is Dr. John Dalena accepting new patients?
- Dr. John Dalena is accepting new patients on Vitals. View Dr. John Dalena's profile on Vitals to make an appointment.
- Does Dr. John Dalena accept my insurance?
- You can see the insurance plans that Dr. John Dalena accepts on their Vitals profile.
- Does Dr. John Dalena accept virtual/telehealth appointments?
- Dr. John Dalena has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. John Dalena's office located?
- Dr. John Dalena's office is located at 140 Park Ave, Florham Park, NJ, 07932.
- Which hospitals is Dr. John Dalena affiliated with?
- Dr. John Dalena is affiliated with Morristown Medical Center.
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