Elite in HIV/AIDS

Dr. John W. Mellors

Infectious Disease
UPMC
University Of Pittsburgh Physicians, Department Of Medicine, Division Of Infectious Disease
3601 5th Avenue, Falk Clinic Suite 700, 
Pittsburgh, PA 

Elite in HIV/AIDS
UPMC
University Of Pittsburgh Physicians, Department Of Medicine, Division Of Infectious Disease
3601 5th Avenue, Falk Clinic Suite 700, 
Pittsburgh, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

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.

Specialties
Infectious Disease
Licenses
Specialist in PA
Board Certifications
American Board Of Internal Medicine
American Board Of Internal Medicine
Fellowships
Yale University
Languages Spoken
English
French
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 7 Less Insurance Carriers -

Locations

University of Pittsburgh Physicians, Department of Medicine, Division of Infectious Disease
3601 5th Avenue, Falk Clinic Suite 700, Pittsburgh, PA 15213
Call: 412-946-2738

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

A Phase I Study to Evaluate the Safety, Tolerability and Immunogenicity of a Therapeutic HIV Vaccine Composed of Autologous Dendritic Cells Loaded With Autologous Inactivated Whole Virus or Conserved Peptides in ART-treated HIV-infected Adults
A Phase I Study to Evaluate the Safety, Tolerability and Immunogenicity of a Therapeutic HIV Vaccine Composed of Autologous Dendritic Cells Loaded With Autologous Inactivated Whole Virus or Conserved Peptides in ART-treated HIV-infected Adults
Enrollment Status: Completed
Publish Date: October 29, 2025
Intervention Type: Biological
Study Drugs: a1DC + inactivated whole autologous HIV, a1DC + conserved HIV peptides, a1DC + no antigen, pgDC + inactivated whole autologous HIV, pgDC + conserved HIV peptides, pgDC + no antigena1DC
Study Phase: Phase 1

307 Total Publications

Comparison of manual and automated ultrasensitive assays for residual HIV-1 in plasma from individuals on suppressive antiretroviral therapy.
Comparison of manual and automated ultrasensitive assays for residual HIV-1 in plasma from individuals on suppressive antiretroviral therapy.
Journal: Journal of clinical microbiology
Published: November 18, 2025
View All 307 Publications
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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.

VIEW MORE HIV/AIDS DOCTORS

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

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  • Elite
  • HIV/AIDS
    Dr. Mellors is
    Elite
    . Learn about HIV/AIDS.
    See more HIV/AIDS experts
  • Sepsis
    Dr. Mellors is
    Elite
    . Learn about Sepsis.
    See more Sepsis experts
    • Advanced
    • COVID-19
      Dr. Mellors is
      Advanced
      . Learn about COVID-19.
      See more COVID-19 experts
    • Severe Acute Respiratory Syndrome (SARS)
      Dr. Mellors is
      Advanced
      . Learn about Severe Acute Respiratory Syndrome (SARS).
      See more Severe Acute Respiratory Syndrome (SARS) experts
    • Experienced
    • Kaposi Sarcoma
      Dr. Mellors is
      Experienced
      . Learn about Kaposi Sarcoma.
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    • Long Haul COVID
      Dr. Mellors is
      Experienced
      . Learn about Long Haul COVID.
      See more Long Haul COVID experts
    • Pneumonia
      Dr. Mellors is
      Experienced
      . Learn about Pneumonia.
      See more Pneumonia experts
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