2
4 Ratings with 4 written Reviews
Summary
Dr. John Gemma is an internal medicine physician who also specializes in critical care medicine. His dual expertise allows him to provide comprehensive care for patients with complex medical conditions, from routine internal medicine needs to intensive care situations requiring specialized monitoring and treatment.
Dr. Gemma practices at Oklahoma Heart Institute and Hillcrest Medical Center in Tulsa, Oklahoma. He focuses on treating patients with chronic obstructive pulmonary disease and other chronic lung conditions. His clinical services include conducting pathology tests and surgical pathology procedures to help diagnose and monitor various medical conditions. Patients have given him an average rating of 2.0 on Vitals.
Dr. Gemma practices at Oklahoma Heart Institute and Hillcrest Medical Center in Tulsa, Oklahoma. He focuses on treating patients with chronic obstructive pulmonary disease and other chronic lung conditions. His clinical services include conducting pathology tests and surgical pathology procedures to help diagnose and monitor various medical conditions. Patients have given him an average rating of 2.0 on Vitals.
Overview based on verified provider data
Quick Facts
- 4 written reviews
- 2 specialties
- 2 areas of expertise
- 2 board certifications
- 3 hospital affiliations
- 2 office locations
- Male
Patients’ Perspective
- Had a good bedside manner
- Spent time with me
- Provided follow-up after the visit
Based on patient feedback. Read the reviews
Office Locations
Dr. John Wagner Gemma has 2 locationsCompare with Similar Doctors
 |  |  | |
| Dr. John Wagner Gemma, MD | Dr. John Schumann, MD | Dr. Naeem Silat, MD | Dr. Heewon Kim |
| Internal Medicine | Internal Medicine | Internal Medicine | Critical Care Medicine |
| Accepts New Patients | |||
| 29 Years of Experience | 29 Years of Experience | 35 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English, Urdu, Sindhi | ||
| Tulsa , OK | Tulsa , OK | Murphy , TX | Tulsa , OK |
| Med School: Case Western Reserve University School of Medicine | Med School: Dow Medical College | Med School: George Washington University School Of Medicine & Health Sciences | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Wagner Gemma
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. John Wagner Gemma has the following 2 specialties
Specialty Expertise
Dr. John Wagner Gemma has the following 2 areas of expertise
Certifications, License, & Education
Dr. John Wagner Gemma holds an active medical license in the state of Oklahoma.
Medical License
Doctor Of Osteopathy with an active medical license in the state of Oklahoma that expired in 2026.
NPI Number
Dr. Gemma's NPI number is 1750791760.
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Frequently Asked Questions
- Does Dr. John Wagner Gemma accept my insurance?
- You can see the insurance plans that Dr. John Wagner Gemma accepts on their Vitals profile.
- How can I make an appointment with Dr. John Wagner Gemma?
- You can find contact information for Dr. John Wagner Gemma here on Vitals.
- Is Dr. John Wagner Gemma accepting new patients?
- Dr. John Wagner Gemma has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. John Wagner Gemma affiliated with?
- Dr. John Wagner Gemma is affiliated with Hillcrest Medical Center, Ascension Saint John Medical Center, and Oklahoma Heart Institute.
- Does Dr. John Wagner Gemma accept virtual/telehealth appointments?
- Dr. John Wagner Gemma has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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