4.4
13 Ratings with 1 written Review
Summary
Dr. Alan Mermelstein is a gastroenterologist and internal medicine physician who has been caring for patients for over four decades. He earned his medical degree from Lewis Katz School of Medicine at Temple University and completed his residency at Medical College of Pennsylvania. Dr. Mermelstein brings 43 years of clinical expertise to his practice, helping patients with complex digestive health concerns. He communicates with patients in English.
Dr. Mermelstein is affiliated with Trinity Health Mid Atlantic and practices at multiple locations throughout Philadelphia and Langhorne, Pennsylvania. He specializes in treating conditions such as GERD, colon polyps, and gastritis. His procedural expertise includes lower GI endoscopy and pathology testing to help diagnose digestive disorders. Patients have given Dr. Mermelstein an average rating of 4.4 stars for his compassionate care and clinical skills.
Dr. Mermelstein is affiliated with Trinity Health Mid Atlantic and practices at multiple locations throughout Philadelphia and Langhorne, Pennsylvania. He specializes in treating conditions such as GERD, colon polyps, and gastritis. His procedural expertise includes lower GI endoscopy and pathology testing to help diagnose digestive disorders. Patients have given Dr. Mermelstein an average rating of 4.4 stars for his compassionate care and clinical skills.
Overview based on verified provider data
Quick Facts
- 43 years of experience
- 26 insurance plans accepted
- speaks English
- Medical College Of Pennsylvania
- 1 written review
- 2 specialties
- 12 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. Alan Mark Mermelstein has 4 locationsNazareth Gastroenterology
1403 Rhawn StPhiladelphia, PA 19111 Tel: (215) 728-6688
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Alan Mark Mermelstein, MD | Minhhuyen T. Nguyen | Dr. Rafael A. Amaral, MD | Emily Lacek, PA-C |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 43 Years of Experience | 39 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, Italian | ||
| Philadelphia , PA | Philadelphia , PA | Darby , PA | Darby , PA |
| Med School: Lewis Katz School Of Medicine At Temple University | Med School: Harvard Medical School | Med School: Ponce School of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Alan Mark Mermelstein
Medical Specialties
Dr. Alan Mark Mermelstein has the following 2 specialties
Specialty Expertise
Dr. Alan Mark Mermelstein has the following 12 areas of expertise
Certifications, License, & Education
43 Years Experience
Dr. Alan Mark Mermelstein holds an active medical license in the state of Pennsylvania.
Medical License
Medical Doctor with an active medical license in the state of Pennsylvania that expires in 2026.
Education & Training
Residency
Completed their residency at Medical College Of Pennsylvania.
Medical School
Graduated from Lewis Katz School Of Medicine At Temple University in 1983.
NPI Number
Dr. Mermelstein's NPI number is 1073520458.
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Frequently Asked Questions
- Does Dr. Alan Mermelstein accept my insurance?
- You can see the insurance plans that Dr. Alan Mermelstein accepts on their Vitals profile.
- Is Dr. Alan Mermelstein accepting new patients?
- Dr. Alan Mermelstein has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Alan Mermelstein's office located?
- Dr. Alan Mermelstein's office is located at 1403 Rhawn St, Philadelphia, PA, 19111.
- How can I make an appointment with Dr. Alan Mermelstein?
- You can find contact information for Dr. Alan Mermelstein here on Vitals.
- Does Dr. Alan Mermelstein accept virtual/telehealth appointments?
- Dr. Alan Mermelstein has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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