Overview
John Mellors, MD, specializes in infectious diseases and is board-certified in infectious disease and internal medicine by the American Board of Internal Medicine. He is affiliated with UPMC Presbyterian. Dr. Mellors received his medical degree from Dartmouth College Geisel School of Medicine and completed his residency and fellowship at Yale New Haven Hospital.
Dr. Mellors is rated as an Elite provider by MediFind in the treatment of HIV/AIDS. His top areas of expertise are HIV/AIDS, Sepsis, COVID-19, and Severe Acute Respiratory Syndrome (SARS).
His clinical research consists of co-authoring 307 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 230 articles and participated in 1 clinical trial in the study of HIV/AIDS.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- MANAGED MEDICAID PLAN
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
3601 5th Avenue, Falk Clinic Suite 700, Pittsburgh, PA 15213
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
1 Clinical Trials
Division Of Infectious Diseases/ HIV/AIDS Program
Bernard Macatangay is an Infectious Disease provider in Pittsburgh, Pennsylvania. Dr. Macatangay is rated as an Advanced provider by MediFind in the treatment of HIV/AIDS. His top areas of expertise are HIV/AIDS, Sepsis, COVID-19, and Severe Acute Respiratory Syndrome (SARS).
Center For Care Of Infectious Diseases (Ccid)
Deborah McMahon, MD, is certified in internal medicine and infectious disease by the American Board of Internal Medicine. She practices at University of Pittsburgh Physicians, Department of Medicine, Division of Infectious Disease and is affiliated with UPMC Presbyterian. She completed her fellowship at University of Pittsburgh School of Medicine, residency at Maimonides Medical Center, and medical degree at Temple University School of Medicine. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Mcmahon is rated as a Distinguished provider by MediFind in the treatment of HIV/AIDS. Her top areas of expertise are HIV/AIDS, Sepsis, Myelitis, and AIDS Dementia Complex.
Center For Care Of Infectious Diseases (Ccid)
Sharon Riddler, MD, is certified in infectious disease and internal medicine by the American Board of Internal Medicine. She practices at University of Pittsburgh Physicians, Department of Medicine, Division of Infectious Disease and is affiliated with UPMC Magee-Womens Hospital, and UPMC Presbyterian. She completed her fellowship at University of Pittsburgh School of Medicine, residency at University of Missouri Kansas City, and medical degree at Medical College of Wisconsin. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Riddler is rated as an Advanced provider by MediFind in the treatment of HIV/AIDS. Her top areas of expertise are HIV/AIDS, Sepsis, Myelitis, and AIDS Dementia Complex.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- HIV/AIDSDr. Mellors isElite. Learn about HIV/AIDS.
- SepsisDr. Mellors isElite. Learn about Sepsis.
- Advanced
- COVID-19Dr. Mellors isAdvanced. Learn about COVID-19.
- Severe Acute Respiratory Syndrome (SARS)
- Experienced
- Kaposi SarcomaDr. Mellors isExperienced. Learn about Kaposi Sarcoma.
- Long Haul COVIDDr. Mellors isExperienced. Learn about Long Haul COVID.
- PneumoniaDr. Mellors isExperienced. Learn about Pneumonia.


