0 reviews
Summary
Dr. John Marcelis is an internal medicine physician with specialized training in geriatric medicine, bringing 39 years of experience to patient care. He earned his medical degree from Lewis Katz School of Medicine at Temple University and completed his residency at Temple University Health System. His extensive background has given him deep expertise in caring for both adult patients and older adults with complex medical needs. Dr. Marcelis speaks English fluently with his patients.
Dr. Marcelis practices at Erickson Health Medical Group in Warminster, Pennsylvania, and maintains an affiliation with Jefferson Abington Hospital. He treats patients with chronic kidney disease and kidney conditions, helping them manage these complex health challenges. His practice also focuses on managing high cholesterol in children and teenagers. Dr. Marcelis provides preventive care services including COVID-19 booster shots and flu vaccines, and he performs routine blood tests to monitor his patients' …overall health.
Read More Read less Dr. Marcelis practices at Erickson Health Medical Group in Warminster, Pennsylvania, and maintains an affiliation with Jefferson Abington Hospital. He treats patients with chronic kidney disease and kidney conditions, helping them manage these complex health challenges. His practice also focuses on managing high cholesterol in children and teenagers. Dr. Marcelis provides preventive care services including COVID-19 booster shots and flu vaccines, and he performs routine blood tests to monitor his patients' …overall health.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 39 years of experience
- 21 insurance plans accepted
- speaks English
- Temple University Health System
- 2 specialties
- 11 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Erickson Health Medical Group
10000 Anns Choice WayWarminster, PA 18974 Tel: (215) 443-3850
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John Francis Marcelis, MD | Dr. Michael Knight, MD | Dr. Meghana V. Dhamdhere, MD | Dr. Namir B. Kosa, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 39 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks Chinese, Arabic | |
| Warminster , PA | Washington , DC | Darby , PA | Secane , PA |
| Med School: Lewis Katz School Of Medicine At Temple University | Med School: Case Western Reserve University School of Medicine | Med School: Dr. D. Y. Patil Education Societys Medical College | Med School: University of Baghdad |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Francis Marcelis
Medical Specialties
Dr. John Francis Marcelis has the following 2 specialties
Specialty Expertise
Dr. John Francis Marcelis has the following 11 areas of expertise
Certifications, License, & Education
39 Years Experience
MEDICAL LICENSE
Medical Doctor, Pennsylvania, 2026, Active
EDUCATION & TRAINING
Residency
Temple University Health System
Medical School
Lewis Katz School Of Medicine At Temple UniversityGraduated in 1987
Similar doctors
Frequently Asked Questions
- Does Dr. John Marcelis accept virtual/telehealth appointments?
- Dr. John Marcelis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. John Marcelis accepting new patients?
- Dr. John Marcelis is accepting new patients on Vitals. View Dr. John Marcelis's profile on Vitals to make an appointment.
- Where is Dr. John Marcelis's office located?
- Dr. John Marcelis's office is located at 10000 Anns Choice Way, Warminster, PA, 18974.
- How can I make an appointment with Dr. John Marcelis?
- You can find contact information for Dr. John Marcelis here on Vitals.
- Which hospitals is Dr. John Marcelis affiliated with?
- Dr. John Marcelis is affiliated with Jefferson Abington Hospital.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
